CODIGOS DE FALLA BIZHUB 36, 42

Code                          Description                                                                Remedy

0001 Transport motor's turning at abnormal timing
The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary. 1 Check the connector between M1-PRCB CN3 for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 M1 operation check. 4 Change M1. 5 Change PRCB

0004 Toner bottle motor's turning at abnormal timing
• The toner bottle home sensor (PS2) is not blocked or unblocked even after the set period of time has elapsed after the toner bottle motor (M3) starts rotating.
1 Check the connector between M3-PRCB CN8 for proper connection and correct as necessary. 2 Check the connector between PS2-PRCB CN15 for proper connection and correct as necessary. 3 Check the M3 connector for proper drive coupling and correct as necessary. 4 PS2 I/O check, sensor check. 5 M3 operation check. 6 Change M3. 7 Change PRCB

0018 PC motor's failure to turn
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning. 1 Check the connector between M2-PRCB CN4 for proper connection and correct as necessary. 2 Check the M2 connector for proper drive coupling and correct as necessary. 3 M2 operation check. 4 Change M2. 5 Change PRCB

0019 PC motor's turning at abnormal timing
The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary. 1 Check the connector between M2-PRCB CN4 for proper connection and correct as necessary. 2 Check the M2 connector for proper drive coupling and correct as necessary. 3 M2 operation check. 4 Change M2. 5 Change PRCB

004A Cooling fan motor's failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary. 1 Check the connector between FM2-relay CN44-relay CN46- PRCB CN5 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM2 operation check. 4 Change FM2. 5 PRCB ICP6 conduction check. 6 Change PRCB

004B Toner suction fan motor's turning at abnormal timing
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning. 1 Check the connector between FM4-relay CN43-PRCB CN6 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM4 operation check. 4 Change FM4. 5 Change PRCB

004E Power supply cooling fan motor's failure to turn
The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary. 1 Check the connector between FM1-relay CN95-PRCB CN3 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check 4 Change FM1 5 Change PRCB

0100 AC signal abnormality
Zero cross signal is not detected for a given period of interval when AC frequency is measured with the power switch ON or when fusing heater is turned ON/OFF. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 3 Change fusing unit 4 Change PRCB 5 Change DCPU

0300 Polygon motor rotation trouble
• The polygon motor (M9) fails to turn stably even after the lapse of a given period of time after activating the polygon motor. • Motor lock signal detects HIGH for a given period time consecutively during the polygon motor (M9) is rotating. 1 Check the connector between PH unit-PRCB CN19, CN20 for proper connection and correct as necessary. 2 Change PH unit 3 Change PRCB

0310 Laser malfunction
• SOS signal is not detected even after the lapse of a given period of time after starting the laser output. • SOS signal is not detected for a given period of time during printing. 1 Check the connector between PH unit-PRCB CN19, CN20 for proper connection and correct as necessary. 2 Change PH unit 3 Change PRCB

0500 Fusing heaters trouble (center)
• Detected temperature of the heating roller thermistor (TH2; center) does not go up a given range of temperature even after a lapse of given period of time at warm up. • The warm-up is not completed even after the set period of time has elapsed after the warm-up is started.           1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0501 Fusing heaters trouble (edge)
• Detected temperature of the heating roller thermistor (TH2; edge) does not go up a given range of temperature even after a lapse of given period of time at warm up. • The warm-up is not completed even after the set period of time has elapsed after the warm-up is started.          1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU



0510 Fusing abnormally low temperature detection (center)
Detected temperature of the heating roller thermistor (TH2; center) goes below a given temperature for a given period of time consecutively after warm up is completed. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0511 Fusing abnormally low temperature detection (edge)
Detected temperature of the heating roller thermistor (TH2; edge) goes below a given temperature for a given period of time consecutively after warm up is completed. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0520 Fusing abnormally high temperature detection (center)
Detected temperature of the heating roller thermistor (TH2; center) goes beyond a given temperature for a given period of time consecutively. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0521 Fusing abnormally high temperature detection (edge)
Detected temperature of the heating roller thermistor (TH2; edge) goes beyond a given temperature for a given period of time consecutively. 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit CN30-PRCB CN16, fusing unit-relay CN4AC-DCPU CN2 for proper connection and correct or change as necessary. 4 Change fusing unit 5 Change PRCB 6 Change DCPU

0900 Tray 4 lift-up failure (PC-211)
• The tray 4 upper limit sensor (PS43) is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began. 1 Check the connector between M43-PCCB CN4 for proper connection and correct as necessary. 2 Check the connector between M53-PCCB CN8 for proper connection and correct as necessary. 3 Check the connector between PS43-relay CN18-PCCB CN6 for proper connection and correct as necessary. 4 Check the connector between PS53-relay CN18-PCCB CN10 for proper connection and correct as necessary. 5 Check the connector of each motor for proper drive coupling, and correct as necessary. 6 PS43 I/O check, sensor check 7 PS53 I/O check, sensor check 8 M43 operation check 9 M53 operation check 10 Change PCCB 11 Change PRCB

0910 Tray 3 feeder up/down abnormality
The paper feed tray 3 upper limit sensor (PS10) is not blocked even after the lapse of a given period of time after the lifting motion has been started. 1 Check the connector between M5-PRCB CN11 for proper connection and correct as necessary. 2 Check the connector of M5 for proper drive coupling and correct as necessary. 3 Check the connector between PS10-relay CN6-PRCB CN14 for proper connection and correct as necessary. 4 PS10 I/O check, sensor check 5 M5 operation check 6 Change M5 7 Change PRCB

0920 Tray 2 feeder up/down abnormality
The paper feed tray 2 upper limit sensor (PS3) is not blocked even after the lapse of a given period of time after the lifting motion has been started. 1 Check the connector between M4-PRCB CN12 for proper connection and correct as necessary. 2 Check the connector of M4 for proper drive coupling and correct as necessary. 3 Check the connector between PS3-relay CN1-PRCB CN13 for proper connection and correct as necessary. 4 PS3 I/O check, sensor check 5 M4 operation checksor check 6 Change M4 7 Change PRCB

0950 Tray 5 lift-up failure (PC-211)
• The tray 5 upper limit sensor (PS53) is not blocked even after the set period of time has elapsed after the paper lift-up operation for the drawer began. 1 Check the connector between M43-PCCB CN4 for proper connection and correct as necessary. 2 Check the connector between M53-PCCB CN8 for proper connection and correct as necessary. 3 Check the connector between PS43-relay CN18-PCCB CN6 for proper connection and correct as necessary. 4 Check the connector between PS53-relay CN18-PCCB CN10 for proper connection and correct as necessary. 5 Check the connector of each motor for proper drive coupling, and correct as necessary. 6 PS43 I/O check, sensor check 7 PS53 I/O check, sensor check 8 M43 operation check 9 M53 operation check 10 Change PCCB 11 Change PRCB

0960 Tray 1 feeder up/down abnormality
• Paper does not unblock the tray 1 lift-up position sensor (PS20) even after the transport motor (M1) rotates for a given period of time after the position is switched from stand by position at lift-up plate to the feed position. • The tray 1 lift-up position sensor (PS20) is not blocked even after the transport motor (M1) rotates for a given period of time after the position is switched from stand by position at lift-up plate to the feed position. 1 Check the connector between M1-PRCB CN3 for proper connection and correct as necessary. 2 Check the connector of M1 for proper drive coupling and correct as necessary. 3 Check the connector between PS20-PRCB CN9 for proper connection and correct as necessary. 4 Check the connector between SD1-relay CN99-relay CN15- PRCB CN9 for proper connection and correct as necessary. 5 PS20 I/O check, sensor check 6 SD1 operation check 7 M1 operation check 8 Change M1 9 Change PRCB

0B05 Malfunctioning of belt up/down movement (FS-529)
• The belt position sensor (PS13) is not turned OFF after the set period of time has elapsed after the belt retract solenoid (SD5) is turned ON. • The belt position sensor (PS13) is not turned ON after the set period of time has elapsed after the conveyance motor/1 (M5) is turned ON. 1 Check the connector between M5-FSCB CN17 for proper connection and correct as necessary. 2 Check the connector between SD5-FSCB CN19 for proper connection and correct as necessary. 3 Check the connector between PS13-FSCB CN7 for proper connection and correct as necessary. 4 Check the connector of M5 for proper drive coupling, and correct as necessary. 5 PS13 I/O check, sensor checkheck 6 M5 operation check 7 Change M5 8 SD5 operation check 9 Change SD5 10 Change FSCB

0B20 Stapler movement drive malfunction (FS-529)
During the home position search, the stapler home sensor (PS11) is not turned ON or OFF even after the set period of time has elapsed after the stapler movement motor (M7) is turned ON. 1 Check the connector between M7-FSCB CN18 for proper connection and correct as necessary. 2 Check the connector between PS11-FSCB CN7 for proper connection and correct as necessary. 3 Check the connector of M7 for proper drive coupling, and correct as necessary. 4 PS11 I/O check, sensor check 5 M7 operation check 6 Change M7 7 Change FSCB

0B30 Alignment plate R drive malfunction (FS-529)
The alignment plate home sensor/R (PS9) is turned neither ON nor OFF even after the set period of time has elapsed after the alignment motor/R (M4) is turned ON. 1 Check the connector between M4-FSCB CN14 for proper connection and correct as necessary. 2 Check the connector between PS9-FSCB CN6 for proper connection and correct as necessary. 3 Check the connector of M4 for proper drive coupling, and correct as necessary. 4 PS9 I/O check, sensor check 5 M4 operation check 6 Change M4 7 Change FSCB

0B32 Alignment plate F drive malfunction (FS-529)
The alignment plate home sensor/F (PS8) is turned neither ON nor OFF even after the set period of time has elapsed after the alignment motor/F (M3) is turned ON. 1 Check the connector between M3-FSCB CN14 for proper connection and correct as necessary. 2 Check the connector between PS8-FSCB CN6 for proper connection and correct as necessary. 3 Check the connector of M3 for proper drive coupling, and correct as necessary. 4 PS8 I/O check, sensor check 5 M3 operation check 6 Change M3 7 Change FSCB

0B33 Leading edge stopper motor drive malfunction (FS-529)
The leading edge stopper home sensor (PS14) is not turned OFF after the set period of time has elapsed after the stapler motor (M8) is turned ON. 1 Check the connector between stapler unit -FSCB CN20 for proper connection and correct as necessary. 2 Check the connector between PS14-FSCB CN8 for proper connection and correct as necessary. 3 Check the connector of stapler unit for proper drive coupling, and correct as necessary. 4 PS14 I/O check, sensor check. 5 Change stapler unit 6 Change FSCB

0B48 Exit roller pressure/ retraction malfunction (FS-529)
The pick up roller position sensor (PS12) is turned neither ON nor OFF even after the set period of time has elapsed after the pick up roller position motor (M1) is turned ON. 1 Check the connector between M9-FSCB CN11 for proper connection and correct as necessary. 2 Check the connector between PS12-FSCB CN7 for proper connection and correct as necessary. 3 Check the connector of M1 for proper drive coupling, and correct as necessary. 4 PS12 I/O check, sensor check. 5 M1 operation check 6 Change M1 7 Change FSCB

0B50 Staple drive malfunction (FS-529)
• During the initial operation, the stapler home sensor (PS11) is not turned ON even after the set period of time has elapsed after the stapler movement motor (M7) is turned ON. • The stapler home sensor (PS11) is not turned ON after the set period of time has elapsed after the stapler motor (M8) is turned ON. 1 Check the connector between PS11-FSCB CN7 for proper connection and correct as necessary. 2 Check the connector between M7-FSCB CN18 for proper connection and correct as necessary. 3 Check the connector between stapler unit-FSCB CN20 for proper connection and correct as necessary. 4 PS11 I/O check, sensor check 5 M7 operation check. 6 Change M7 7 Change stapler unit 8 Change FSCB

0BA0 Elevate drive malfunction (FS-529)
• When the exit tray is moving up: When the tray up/down motor (M2) starts rotating with the output of the tray lower limit sensor (PS6) being ON, PS6 is not turned OFF even after the set period of time has elapsed. • The paper surface detect sensor/1 (PS2) or the paper surface detect sensor/2 (PS3) is not turned ON even after the set period of time has elapsed after the tray up/down motor (M2) starts rotating. • When the exit tray is moving down: The tray lower limit sensor (PS6) is not turned ON even after the set period of time has elapsed after the tray up/down motor (M2) starts rotating. 1 Check the connector between M2-FSCB CN12 for proper connection and correct as necessary. 2 Check the connector between PS6-FSCB CN5 for proper connection and correct as necessary. 3 Check the connector between PS2-FSCB CN4 for proper connection and correct as necessary. 4 Check the connector between PS3-FSCB CN4 for proper connection and correct as necessary. 5 Check the connector of M2 for proper drive coupling, and correct as necessary. 6 PS6 I/O check, sensor check 7 PS2 I/O check, sensor check 8 PS3 I/O check, sensor check 9 M2 operation check 10 Change M2 11 Change FSCB

0BE1 Fan motor drive malfunction (FS-529)
While the motor is rotating, the fan lock signal remains L for the set period of time. 1 Check the connector between FM1-FSCB CN19 for proper connection and correct as necessary. 2 Check the connector of FM1 for proper drive coupling, and correct as necessary. 3 FM1 operation check 4 Change FM1 5 Change FSCB

0F36 Abnormally low toner density detected TCR sensor
When sampling data is determined in TC ratio calculation control, TCR sensor output is lower than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper. 1 Make sure that the following counter is cleared at the developer replacing. [Service Mode] -> [Supplies] -> [Life Counter Clear] -> [Developer (K)] 2 Perform image troubleshooting procedure if image density is low. 3 Reinstall developing unit 4 Reinstall toner bottle 5 Check the contact of developing unit for proper connection and correct as necessary. 6 Check the connector between TCRSB CN29-relay CN28- PRCB CN24 for proper connection and correct as necessary. 7 Check the connector between M3-PRCB CN8 for proper connection and correct as necessary. 8 Check the connector between M8-relay CN13-PRCB CN8 for proper connection and correct as necessary. 9 M3 operation check 10 M8 operation check 11 Change developing unit 12 Change TCRSB 13 Change PRCB

0F37 Abnormally high toner density detected TCR sensor
TC ratio in the developing unit, which is determined by toner replenishing amount control mechanism, is a predetermined value or more for a given number of times consecutively. 1 Make sure that the following counter is cleared at the developer replacing. [Service Mode] -> [Supplies] -> [Life Counter Clear] -> [Developer (K)] 2 Perform image troubleshooting procedure if image density is low. 3 Reinstall developing unit 4 Reinstall toner bottle 5 Check the contact of developing unit for proper connection and correct as necessary. 6 Check the connector between TCRSB CN29-relay CN28- PRCB CN24 for proper connection and correct as necessary. 7 Check the connector between M3-PRCB CN8 for proper connection and correct as necessary. 8 Check the connector between M8-relay CN13-PRCB CN8 for proper connection and correct as necessary. 9 M3 operation check 10 M8 operation check 11 Change developing unit 12 Change TCRSB 13 Change PRCB

0F3D TCR sensor adjustment failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value. 1 Reinstall developing unit 2 Reinstall toner bottle 3 Check the contact of developing unit for proper connection and correct as necessary. 4 Check the connector between TCRSB CN29-relay CN28- PRCB CN24 for proper connection and correct as necessary. 5 Check the connector between M3-PRCB CN8 for proper connection and correct as necessary. 6 Check the connector between M8-relay CN13-PRCB CN8 for proper connection and correct as necessary. 7 M3 operation check 8 M8 operation check 9 Change developing unit 10 Change TCRSB 11 Change PRCB

0F43 TCR sensor failure
Alarm signals for a TCR sensor are detected. This detection is used for detecting disconnection of TCR sensor board (TCRSB) connector. 1 Reinstall developing unit 2 Reinstall toner bottle 3 Check the contact of developing unit for proper connection and correct as necessary. 4 Check the connector between TCRSB CN29-relay CN28- PRCB CN24 for proper connection and correct as necessary. 5 Check the connector between M3-PRCB CN8 for proper connection and correct as necessary. 6 Check the connector between M8-relay CN13-PRCB CN8 for proper connection and correct as necessary. 7 M3 operation check 8 M8 operation check 9 Change developing unit 10 Change TCRSB 11 Change PRCB

10A5 Marketing area error
• Marketing area error is detected when reading the backup media of the machine is finished. • Hardware signal is not fixed when the Boot started. 1 Disconnect and then connect the power cord. Turn OFF the power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite the firmware. 3 Change PRCB

133B FNS communication error (FS-529)
When the FS control board (FSCB) is receiving data, a communication error is detected. 1 Disconnect and then connect the power cord. Turn OFF the power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite the firmware. 3 JSCB F1 conduction check 4 JSCB F2 conduction check 5 Change FSCB

1340 FPGA configuration error
When a configuration check is performed on the extended IC chip (FPGA) located on the printer control board (PRCB), error is detected. 1 Reboot the machine. 2 Rewrite the firmware. 3 Change PRCB

13D0 Main backup media access error
• When an error is detected at the data reading process. • The machine writes and reads data, and judges that the data has error. Then the machine performs the same process and judges again that the data has error. • When counter values are read, error is detected. • The machine detects that it does not have EEPROM. 1 Reboot the machine. 2 Check the EEPROM on the PRCB for proper connection and correct as necessary. 3 Change PRCB 4 Change EEPROM

13F0 Engine control malfunction
Engine control malfunction is detected with port monitor control. 1 Check the connectors on the PRCB for proper connection and correct or change as necessary. 2 Rewrite the firmware. 3 Change PRCBEPR

1402 FS NVRAM memory error (FS-529)
When the power switch is turned ON, malfunctioning of the non-volatile memory on the FS control board (FSCB) is detected. 1 Disconnect and then connect the power cord. Turn OFF the power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite the firmware. 3 Change FSCB

3000 Transport motor’s failure to turn
The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary 1 Check the connector between M1-PRCB CN3 for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 M1 operation check. 4 Change M1. 5 Change PRCB

3FFB Finisher ROM error (FS-529)
Data of flash ROM of the finishing options is determined to be faulty when the power switch is turned ON. 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the power switch. 2 Rewrite firmware. 3 Change FSCB

6751 Gain adjustment error
Reading the white pixel output of each color from the data provided by the shading plate, the machine makes the gain adjustment for each color so that the maximum value of each color becomes within the specified range. However, after the machine attempts the adjustment three times in total (including two retries), the value is out of the specified range. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

6790 Offset adjustment error
Reading the black pixel output of each color from the data provided by the shading plate, the machine makes the offset adjustment for each color so that the average value of each color becomes within the specified range. However, after the machine attempts the offset adjustment three times in total (including two retries), the value is out of the specified range. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

6791 Register setting error
After the default values of AFE gain and offset are set, the machine reads the gain and offset values again. Inconsistency between the values that are set and read is found. 1 Reboot the main unit. 2 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 3 Change MFPB.

6792 White reference plate search error
During an initialization, the black edge and the white edge read by the shading plate cannot be detected. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

6793 Scanner communication error
An undefined communication error occurs between the controller and the scanner. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

9401 Lamp illumination check error
In the lamp stabilization check process during the lamp warm-up, light quantity does not become steady within a given period of time. 1 Reboot the main unit. 2 Clean the original glass. 3 Check the connector CN102, CN103 on MFPB for proper connection and correct as necessary. 4 Change scanner unit. 5 Change MFPB.

B116 Communication error with the fax board
An undefined communication error occurs between the controller and the fax board. 1 Check the connector CN106 on MFPB for proper connection and correct as necessary. 2 Change FAXB. 3 Change MFPB.

C023 Flash ROM error
A SSD board (SSDB) failure occurs. 1 Reboot the main unit. 2 Check the SSD board (SSDB) for proper connection and correct as necessary. 3 Change MFPB.

C026 Controller ROM error (Access error)
Flash ROM access error is detected during the main unit starting. 1 Reboot the main unit. 2 Check the MFPB connector for proper connection and correct as necessary. 3 If this error message is displayed after update of firmware, conduct the firmware update procedures again. 4 Change MFPB.

C027 Controller ROM error (Data error)
• Final check sum error is detected during the main unit starting. • When the main unit is started, a malfunction is detected in state confirmation process of the loadable driver. 1 Reboot the main unit. 2 Check the MFPB connector for proper connection and correct as necessary. 3 If this error message is displayed after update of firmware, conduct the firmware update procedures again. 4 Change MFPB.

C050 HDD access error
When correct access to the hard disk kit (HDD) is failed during access. 1 Reboot the main unit. 2 Check the connector between HDD-MFPB CN7, CN5 for proper connection and correct as necessary. 3 Change HDD. 4 Change MFPB.

C051 HDD full error
Range for user space is full during access to the hard disk kit. 1 Reboot the main unit. 2 Delete the job hold in [PS/PCL PRINT] - [PROOF/PRINT MENU] to increase the available range for user space. 3 Check the connector between HDD-MFPB CN7, CN5 for proper connection and correct as necessary. 4 Format HDD with [Admin Settings] - [HDD Format]. 5 Change HDD.

C060 Firmware update error
Firmware update fails to complete correctly during update. 1 Reboot the main unit. 2 Check the cable that has been used for update of the firmware for proper connection and correct as necessary. 3 Check the firmware update file and if the file is not the correct one, update the firmware again. 4 Check the firmware update procedure and if the procedure is not correct, update the firmware again. 5 Update the firmware again. 6 Check the MFPB connector for proper connection and correct as necessary. 7 Change MFPB.

C072 Counter not installed
The total counter (CNT) is not installed. 1 Reboot the main unit. 2 Check the connector between CNT-PRCB CN15 for proper connection and correct as necessary. 3 Change PRCB.

C073 Finisher not connected
Connection status error for the finisher FS-529 is occurred. 1 Check the connection status of the finisher FS-529, and modify as necessary. 2 Change FSCB. 3 Change PRCB.

C074 Engine ROM error
ROM on the printer control board has error. 1 ROM on the printer control board has error.

C075 Large Paper Size Kit error
The installed large paper size kit is not compatible with the marketing area for which the MFP board is destined. 1 Install the large paper size kit appropriate for the marketing area. 2 Change MFPB.

C076 Copy Kit Counter error
The current count value of the copy kit counter reaches the setting configured in [Max. Allowance Set]. 1 Increase the setting configured in [Max. Allowance Set] and turn the power switch OFF and ON. I.10.6 Copy Kit Counter 2 If the copy kit counter is not used, change the copy kit counter count setting to mode 1 and then turn the power switch OFF and ON. I.10.5 Copy Kit Counter Count 3 Change MFPB.

C080 Memory error
The failure of the RAM on the MFP board occurs. 1 Reboot the main unit.2 Change MFPB
FFFF Interface communication error

Correct communication is failed when receiving/sending the command between PRCB and MFPB. 1 Reboot the main unit. 2 Check the MFPB connector for proper connection and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary 4 Change connecting cable between MFPB and PRCB. 5 Change PRCB. 6 Change MFPB.

CODIGOS DE FALLA BIZHUB PRO 920

• Para los códigos con " * " que aparecen en la columna de códigos de error ,  el mensaje 
" Desconecte la alimentación y vuelva a encenderlo de nuevo " se muestra en el tablero de operación.
• Para códigos con " # " que aparecen en la columna de códigos de error , no se muestra ningún código de error. Sin embargo, estos código se deja como un récord para la recopilación de datos , salida de lista y CSRC .
• Para los códigos que no tienen " *" o " # " que aparece en la columna de códigos de error , el mensaje de "Contacto con el servicio" es visualizado.

SC13-01 Una señal de velocidad anormal del motor de alimentación de papel (M4) es comprobada.
Una señal de detección de error se detecta dos veces seguidas de un período de tiempo especificado después de M4 se pone en ON (la primera señal se ignora).

SC13-02 An abnormal speed signal of the paper feed motor (M101) is checked.
An error detection signal is detected twice in succession a specified period of time after M101 was turned ON (the first signal is ignored).

SC18-10 The locking of the paper lift motor /1 (M19) is detected.
An error detection signal of M19 is detected while M19 is ON.

SC18-11# When the upper limit sensor /1 (PS20) is OFF, PS20 does not turn ON within a specified period of time after the paper lift motor / 1 (M19) turns ON for lifting opera-tion. And at this time, an error detection signal (24V cut off) is detected.

SC18-12# When the upper limit sensor /1 (PS20) is OFF, PS20 does not turn ON within a specified period of time after the paper lift motor / 1 (M19) turns ON for lifting opera-tion. And at this time, an error detection signal (blowout of ICP) is detected.

SC18-13# When the upper limit sensor /1 (PS20) is OFF, PS20 does not turn ON within a specified period of time after the paper lift motor / 1 (M19) turns ON for lifting operation. And at this time, an error detection signal is not detected.

SC18-20 The locking of the paper lift motor /2 (M20) is detected. When M20 is ON, an error detec-tion signal of the M20 is detected.

SC18-21# When the upper limit sensor /2 (PS21) is OFF, PS21 does not turn ON within a specified period of time after the paper lift motor / 2 (M20) turns ON for lifting operation. And at this time, an error detection signal (24V cut off) is detected.

SC18-22# When the upper limit sensor /2 (PS21) is OFF, PS21 does not turn ON within a specified period of time after the paper lift motor / 2 (M20) turns ON for lifting operation. And at this time, an error detection signal (blowout of ICP) is detected.

SC18-23# When the upper limit sensor /2 (PS21) is OFF, PS21 does not turn ON within a specified period of time after the paper lift motor / 2 (M20) turns ON for lifting operation. And at this time, an error detection signal is not detected.

SC18-30 The locking of the paper lift motor /3 (M21) is detected. When M21 is ON, an error detection signal of the M21 is detected.

SC18-31# When the upper limit sensor /3 (PS22) is OFF, PS22 does not turn ON within a specified period of time after the paper lift motor / 3 (M21) turns ON for lifting operation. And at this time, an error detection signal (24V cut off) is detected.

SC18-32# When the upper limit sensor /3 (PS22) is OFF, PS22 does not turn ON within a specified period of time after the paper lift motor / 3 (M21) turns ON for lifting operation. And at this time, an error detection signal (blowout of ICP) is detected.

SC18-33# When the upper limit sensor /3 (PS22) is OFF, PS22 does not turn ON within a specified period of time after the paper lift motor / 3 (M21) turns ON for lifting operation. And at this time, an error detection signal is not detected.

SC18-40 The locking of the paper lift motor (M100) is detected.
When the paper lift motor (M100) is ON, an error detection signal of M100 is detected in succession for 1 second.

SC18-41# When the upper limit sensor (PS109) or the lower limit sensor (PS101) is OFF, PS109 or PS101 does not turn ON within a specified period of time after the paper lift motor (M100) turns ON for its lifting or lowering operation. And at this time, an error detection signal (24V cut off) is detected.

SC18-42# When the upper limit sensor (PS109) or the lower limit sensor (PS101) is OFF, PS109 or PS101 does not turn ON within a specified period of time after the paper lift motor (M100) turns ON for its lifting or lowering operation. And at this time, an error detection signal (blowout of ICP) is detected.

SC18-43# When the upper limit sensor (PS109) or the lower limit sensor (PS101) is OFF, PS109 or PS101 does not turn ON within a specified period of time after the paper lift motor (M100) turns ON for its lifting or lowering operation. And at this time, an error detection signal is not detected.

SC18-51# When the upper limit sensor / bypass (PS23) or the lower limit sensor /bypass (PS43) is OFF, PS23 or PS43 does not turn ON within a specified period of time
after the bypass tray lift motor (M22) turns ON for its lifting or lowering operation. And at this time, an error detection signal (24V cut off) is detected.

SC18-52# When the upper limit sensor / bypass (PS23) or the lower limit sensor /bypass (PS43) is OFF, PS23 or PS43 does not turn ON within a specified period of time
after the bypass tray lift motor (M22) turns ON for its lifting or lowering operation. And at this time, an error detection signal (blowout of ICP) is detected.

SC18-53# When the upper limit sensor / bypass (PS23) or the lower limit sensor /bypass (PS43) is OFF, PS23 or PS43 does not turn ON within a specified period of time after the bypass tray lift motor (M22) turns ON for its lifting or lowering operation. And at this time, an error detection signal is not detected.

SC21-01 When the charge cleaning home sensor (PS41) is OFF with the main power switch (SW1) ON, PS41 does not turn ON within a specified period of time after the charge cleaning motor (M23) turns ON for home position research operation (return operation). At this time, an error detection signal (blow-out of ICP) is not detected.

PS41 does not turn OFF within a specified period of time after the reverse opera-
tion (return operation) is started. At this time, an error detection signal (blowout of
ICP) is not detected.

It is checked that the time for the M23 operations is over. The charge cleaning limit sensor (PS42) does not turn ON within a specified period of time after the reverse operation (return operation) is started for detection of PS41being OFF. Or, PS41 does not turn ON within a specified period of time after PS42 turns ON. At this time, an error detection signal (blowout of ICP) is not detected.

SC21-02 The blowout of ICP for the charge cleaning motor (M23) in the printer control board (PRCB) is checked. When the charge cleaning home sensor (PS41) is OFF with the main power switch (SW1) ON, PS41 does not turn ON within a specified
period of time after the M23 turns ON for home position research operation (return operation). And at this time, an error detection signal (blowout of ICP) is detected.

PS41 does not turn OFF within a specified period of time after the reverse operation (return operation) is started. And at this time, an error detection signal (blow-out of ICP) is detected.
The charge cleaning limit sensor (PS42) does not turn ON within a specified period of time after the reverse operation (return operation) is started for detection of PS41being OFF. Or, PS41 does not turn ON within a specified period of time after PS42 turns ON. At this time, an error detection signal (blowout of ICP) is detected.

SC21-03 The locking of the charge cleaning motor (M23) is detected. A motor lock signal is detected while moving from the charge cleaning limit sensor (PS42) side to the charge cleaning home sensor (PS41) side, and after a retry operation, a fifth motor lock signal is detected.

SC21-04 It is checked that the operations of the transfer/separa-tion cleaning motor (M18) are over.
When the transfer/separation cleaning home sensor (PS11) is OFF with the main power switch (SW1) ON, PS11 does not turn ON within a specified period of time after the M18 turns ON for a home position research operation (return operation). At this time, an error detection signal (blow-out of ICP) is not detected.

PS11 does not turn OFF within a specified period of time after the reverse operation (return operation) is started. At this time, an error detection signal (blowout of ICP) is not detected.
It is checked that the operations of the M18 are over. The transfer/separation cleaning limit sensor (PS12) does not turn ON within a specified period of time after the reverse operation (return operation) is started for detection of PS11 being OFF. Or, PS11 does not turn ON within a specified period of time after PS12 turns ON. At this time, an error detection signal (blowout of ICP) is not detected.

SC21-06 The locking of the transfer/separation cleaning motor (M18) is detected.
Motor lock signals are detected while moving from the transfer/ separation limit sensor (PS12) side to the transfer/separation home sensor (PS11) side, and after a retry operation, a fifth motor lock signal is detected.

SC23-01 The speed error signal of the toner bottle motor (M15) is checked.
An error detection signal is detected twice in succession a specified period of time after M15 turns ON (the first signal is ignored).

SC23-02 The speed error signal of the developing motor (M3) is checked.
Since an error detection signal is detected a second after M3 turns ON, turn OFF M3 for a specified period of time. Then, an error detection signal is detected again a specified period of time after it is turned ON again.

SC23-03 The locking of the blade motor (M14) is detected.
The error detection signal (over current) of M14 is detected.

SC23-04 It is checked that the movement of the blade motor (M14) is not completed, and the 24V power source is also checked.
The drum READY1 signal (READY condition) cannot be detected within a specified period of time after the drum motor (M2) turns ON. Or, the drum READY1 signal (READY release condition) cannot be detected within a
specified period of time after M2 turns OFF. At this time, an error detection signal (24V cut out) is detected.

SC23-05 The blowout of ICP for the blade motor (M14) in the printer control board (PRCB) is checked. The drum READY1 signal (READY condition) cannot be detected within a specified period of time after the drum motor (M2) turns ON. Or, the drum READY1 signal (READY release condition) cannot be detected within a
specified period of time after M2 turns OFF. At this time, the error detection signal (blowout of ICP) of M14 is detected.

SC23-06 It is checked that the movement of the blade motor (M14) is not completed. The drum READY1 signal (READY condition) cannot be detected within a specified period of time after the drum motor (M2) turns ON. Or, the drum READY1 signal (READY release condition) cannot be detected within a specified period of time after M2 turns OFF. At this time, an error detection signal is not detected.

SC23-07 It is checked that the movement of the blade motor (M14) is not completed, and 24V power source is also checked.
The blade READY signal (READY condition) cannot be detected within a specified period of time after the blade replacement signal turns ON. Or, the blade READY
signal (READY release condition) cannot be detected within a specified period of time after the blade replacement signal turns OFF. At this time, an error detection signal (24V cut off) is detected.

SC23-08 The blowout of ICP for the blade motor (M14) in the printer control board (PRCB) is checked. The blade READY signal (READY condition) cannot be detected within a specified period of time after the blade replacement signal turns ON. Or, the blade READY signal (READY release condition) cannot be detected within a
specified period of time after the blade replacement signal turns OFF. At this time, an error detection signal (blowout of ICP) of M14 is detected.

SC23-09 It is checked that the movement of the blade motor (M14) is not completed. The blade READY signal (READY condition) cannot be detected within a specified period of time after the blade replacement signal turns ON. Or, the blade READY
signal (READY release condition) cannot be detected within a specified period of time after the blade replacement signal turns OFF. At this time, an error detection signal is not detected.

SC23-10 It is checked that the drum motor (M2) does not start. The drum READY2 signal (READY signal) is not detected within a specified period of time after M2 turns ON.

SC23-11 The blowout of ICP for the toner supply motor (M11) in the printer control board (PRCB) is checked. An error detection signal (blowout of ICP) is detected when M11 turns ON.

SC23-21 When the recycle pump motor (M24) is turned ON, an error detection signal is detected twice in a row within a specified period of time. (An error detection signal on the first time is ignored.)

SC24-01 The temperature of the drum temperature sensor (TH5) detected a specified period of time after the main power switch (SW1) is turned ON is -3°C or lower, and also, the drum temperature after a specified period of time is -3°C or lower.

SC24-02 When the main power switch (SW1) turns ON with the fusing temperature below 50°C, the detected temperature of the drum temperature sensor (TH5) is more than 52°C, and when the detected temperature is above 52°C after a specified period of time.

SC24-03 The erase lamp (EL) is unconnected.

SC28-01 A charge leak is detected. After a charge error detection signal is detected while in the charge ON, up to 5 charge ON/OFF opera-tions occur in succession.

SC28-02 A transfer leak is detected. After a transfer error detection signal is detected while in the transfer ON, up to 5 transfer ON/OFF operations occur in succession.

SC28-03 A separation leak is detected. After a separation error detection signal is detected while in the separation ON, up to 5 separation ON/OFF operations occur in succession.

SC28-04 The error detection signal (blow-out of a 24V ICP) of the high volt-age unit /2 (HV2) is detected.

SC29-01 The dirt correction of the sensor is not completed. While in the maximum density correction, the dirt correction of the IDC sensor (IDCS) is not sufficient. When this condition is detected 10 times in succession, the error code is displayed.

SC29-02# The maximum density correction is not completed. While in the maximum density correction, the number of rotations of the developing roller gets to the maximum.

SC29-03# The IDC sensor (IDCS) output abnormality. While in the maximum density correction, a patch for control is not output. (No out-put is made from the IDCS.)

SC29-04 The dirt correction of the sensor is not completed. While in gamma correction, the dirt cor-rection of the PGC sensor (PGCS) is not sufficient. When SC29-4 or SC29-7 is detected ten times in succession, this error code is displayed.

SC29-05# The PGC sensor (PGCS) output abnormality. While in the gamma correction, a patch for control is not output. (No output is made from the PGCS.)

SC29-06# The gamma correction data is defective. The gamma correction output is abnormal. A regression error when carrying out a gamma curve operation while in the gamma correction.

SC29-07 The dirt correction of the sensor is not completed. While in the dot diameter correction, the dirt correction of the PGC sensor (PGCS) is not sufficient. When SC29-4 or 
SC29-7 is detected ten times in succession, this error code is displayed.

SC29-08# Correction abnormality. While in the dot diameter correction, the correction is terminated with an abnormal value.

SC29-09 Drum potential sensor (DPS) output abnormality. While in the 0V check of the DPS, more than 100V of the drum surface potential is detected more than 5 times. When this condition is detected 5 times in succession, the error code is displayed.

SC29-10 Drum potential sensor (DPS) output abnormality. While in the drum potential correction, a patch for control is not output with the V1 getting to more than 350V. When this condition is detected 5 times in succession, the error code is displayed.

SC29-11 The data is defective. While in the drum potential correction, no convergence is obtained even after correction is made more than 10 times. When this condi-
tion is detected 5 times in succession, the error code is displayed.

SC29-12# Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the transfer current.

SC29-13# Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the separation (AC) current.

SC29-14# Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the separation (DC) current.

SC29-15# Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the developing bias.

SC32-01 The rotation of the conveyance suction fan (FM2) is checked, and the 24V power source is also checked. An abnormal FM2 EM signal condition occurs a pecified period of time after FM2 is turned ON. This abnormal condition recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.

SC32-02 The blowout of ICP for the conveyance suction fan (FM2) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM2 EM signal a speci-fied period of time after FM2 is turned ON. This abnormal condition recurs even a specified period of time after FM2 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.

SC32-03 The rotation of the conveyance suction fan (FM2) is checked. An abnormal condition occurs with the FM2 EM signal a specified period of time after FM2 is turned ON. This abnormal condition recurs even a specified period of time after FM2 is turned OFF and then turned ON, and an error detection signal (24V cut off/ blowout of ICP) is not detected.

SC32-04 The rotation of the fusing fan (FM1) is checked, and the 24V power source is also checked. An abnormal condition occurs with the FM1 EM signal a speci-fied period of time after FM1 is turned ON. This abnormal condition recurs even a specified period of time after FM1 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.

SC32-06 The rotation of the fusing fan (FM1) is checked. An abnormal condition occurs
with the FM1 EM signal a speci-fied period of time after FM1 is turned ON. This abnormal condition recurs even a specified period of time after FM1 is turned OFF and then turned ON, and an error detection signal (24V cut off/ blowout of ICP) is not detected.

SC32-07# When the print is completed, the fusing fan (FM1) EM signal gets into an abnormal condition.

SC33-01 Registration motor (M12) speed abnormality. A specified period of time after M12 turns ON, an error detection signal is detected twice in a row. (An error detection signal on the first time is ignored.)

SC33-05 The blowout of ICP for the web motor (M16) in the printer control board (PRCB) is checked, and the 24V power source is also checked. When M16 turn ON from OFF, error detection signals (blowout of ICP and the 24V cut off) are detected.

SC33-06 The blowout of ICP for the web motor (M16) in the printer control board (PRCB) is checked. When M16 turns ON from OFF, the blowout of ICP abnormality is detected with a 24V down signal normal.

SC34-01 Thermistor /1 (TH1) high temper-ature detection (software). TH1 detects a temperature of 210°C or above 5 times in a specified period of time.
SC34-02 Thermistor /3 (TH3) high temper-ature detection (software). TH3 detects a temperature of 230°C or above 5 times in a specified period of time.
SC34-03 Thermistor /1 (TH1) high temper-ature detection (hardware). An abnormal condition is detected with the fusing error detection signal 1.
SC34-04 Thermistor /3 (TH3) high temperature detection (hardware). An abnormal condition is detected with the fusing error detection signal 4.
SC35-01 Thermistor /1 (TH1) low tempera-ture detection (software). TH1 does not get to 50°C when a specified period of time elapses after the main power switch (SW1) is turned ON for the fusing ON control.
SC35-02 Thermistor /3 (TH3) low temperature detection (software). TH3 does not get to 50°C when a specified period of time elapses after the main power switch (SW1) is turned ON for the fusing ON control.
SC36-01 Thermistor /1 (TH1) high temper-ature detection (long time/software). TH1 detects a temperature of 200°C or above 30 times in a row in a specified period of time.
SC36-02 Thermistor /3 (TH3) high temperature detection (long time/software). TH3 detects a temperature of 220°C or above 30 times in a row in a specified period of time.
SC36-03 Thermistor /1 (TH1) low tempera-ture detection (hardware). The output voltage of the TH1 is detected as a low temperature abnormality (-6°C or lower) in the comparator circuit.
SC36-04 Thermistor /3 (TH3) low tempera-ture detection (hardware). The output voltage of the TH3 is detected as a low temperature (-6°C or lower) in the comparator circuit.
SC36-05 Thermistor /2 (TH2) low abnor-mality detection (hardware). The output voltage of the TH2 is detected as a low temperature (-6°C or lower) or high temperature (240.5°Cor higher) abnormality in the comparator circuit.
SC36-06 Thermistor /4 (TH4) low abnormality detection (hardware). The output voltage of the TH4 is detected as a low temperature (-6°C or lower) or high temperature (240.5°Cor higher) abnormality in the comparator circuit.
SC41-01 The scanner home sensor (PS51) does not turn ON within a specified period of time after the home position search is started.
SC41-02 When the speed of the polygon motor (M17) is being switched, a speed lock signal is not detected within a specified period of time.
SC42-01 The rotation of the scanner cooling fan (FM7) is checked, and 24V power source is also checked. An abnormal condition occurs with the FM7 EM signal a specified period of time after FM7 turns ON. This abnormal condition recurs even a specified period of time after FM7 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
SC42-04 The rotation of the write unit cooling fan /1 (FM5) is checked, and 24V power source is also checked. An abnormal condition occurs with the FM5 EM signal a specified period of time after FM5, the write unit cooling fan /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
SC42-05 The blowout of ICP for the write unit cooling fan /1 (FM5) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM5 EM signal a specified period of time after FM5, the write unit cooling fan /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
SC42-06 The rotation of the write unit cooling fan /1 (FM5) is checked. An abnormal condition occurs with the FM5 EM signal a speci-fied period of time after FM5 and write unit cooling fan /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
SC42-07 When the print is started, an error detection signal of the writing section cooling fan /1 (FM5) is detected.
SC42-08 The rotation of the write unit cooling fan /2 (FM8) is checked and the 24V power source is also checked. An abnormal condition occurs with the FM8 EM signal a specified period of time after the write unit cooling fan /1 (FM5) and /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
SC42-09 The blowout of ICP for the write unit cooling fan /2 (FM8) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM8 EM signal a specified period of time after the write unit cooling fan /1 (FM5) and /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
SC42-10 The rotation of the write unit cooling fan /3 (FM8) is checked. An abnormal condition occurs with the FM8 EM signal a speci-fied period of time after the write unit cooling fan /1 (FM5) and /2 (FM8) turns ON. This abnormal condition recurs even a specified period of time after FM5/FM8 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
SC42-11 When the print is started, an error detection signal of the writing section cooling fan /2 (FM8) is detected.
SC42-12 The rotation of the cooling fan /4 (FM12) is checked and the 24V power source is also checked. An abnormal condition occurs with the FM12 EM signal a speci-fied period of time after FM12 turns ON. This abnormal condi-tion recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
SC42-13 The blowout of ICP for the cooling fan /4 (FM12) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM12 EM signal a speci-fied period of time after FM12 turns ON. This abnormal condition recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.

SC42-14 Rotation of the cooling fan /4 (FM12) is checked. An abnormal condition occurs with the FM12 EM signal a specified period of time after FM12 turns ON. This
abnormal condition recurs even a specified period of time after FM12 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
SC42-16 The rotation of the polygon cooling fan (FM9) is checked and the 24V power source is also checked. An abnormal condition occurs with the FM9 EM signal a specified period of time after FM9 turns ON. This abnormal condition recurs even a specified period of time after FM9 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
SC42-17 The blowout of ICP for the poly-gon cooling fan (FM9) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM9 EM signal a speci-fied period of time after FM9 turns ON. This abnormal condition recurs even a specified period of time after FM9 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
SC42-18 The rotation of the polygon cool-ing fan (FM9) is checked. An abnormal condition occurs with the FM9 EM signal a speci-fied period of time after FM9 turns ON. This abnormal condition recurs even a specified period of time after FM9 is turned OFF and then turned ON, and an error detection signal (24V cut off/ blowout of ICP) is not detected.
SC42-19# When the print is started, an error detection signal of the polygon cooling fan (FM9) is detected.

SC42-20 Power supply cooling fan /1 (FM19) and /2 (FM20) rotation check. A specified period of time after FM19 and FM20 turn ON, the FM19 EM signal and the FM20 EM signal get into an abnormal condition at the same time. And both the signals show an abnormal condition at the same time a specified period of time after they are turned ON again after being turned OFF, and also, no error detection signal (24V cut off/ blowout of a fuse) is detected).
SC42-21 Paper exit cooling fan /Lw1 (FM13) and /Lw2 (FM14) rotation check. A specified period of time after FM13 and FM14 turn on, the FM13 EM signal and the FM14 EM signal get into an abnormal condition at the same time. And both the signals show an abnor-mal condition at the same time a specified period of time after they are turned on again after being turned off, and also, no error detection signal (24V cut off/ blowout of ICP) is not detected.
SC42-22 Paper exit cooling fan /Up1 (FM15) and /Up2 (FM17) rotation check. A specified period of time after FM15 and FM17 turn on, the
FM15 EM signal and the FM17 EM signal get into an abnormal condition at the same time. And both the signals show an abnor-mal condition at the same time a specified period of time after they are turned on again after being turned off, and also, no error detection signal (24V cut off/ blowout of ICP) is not detected.
SC46-01* While in the image write, APC is not applicable for the correction of the sub scan beam. Due to the 12V DC power for the laser drive not supplied, the MPC being wrong and the laser defective, the laser does not light up. Also, due to the rotation of the polygon mirror unavailable, the displacement of the index sensor, and the index sensor being defective, the index sensor cannot detect the laser.
SC46-02* FIFO address abnormality for the scanner. While in the image read, the com-pression of image data that is read in is not correctly terminated.
SC46-03* FIFO address abnormality for the printer. While in the image write, the expansion processing of image data that is read in is not correctly terminated.

SC46-05* An error interrupt occurs with the compression/expansion chip FIFO.
SC46-06* Elongation abnormality.
SC46-08* While in the execution of APC, no change is found in the output of the index sensor.
SC46-12* After negation of SVV, the compression of images that are read in and their development into the page memory are not terminated within a specified period of time.
SC46-13* While in the image read, the compression processing from the scanner into the memory does not terminate within a specified period of time. The development
from the scanner into the page memory does not terminate within a specified period of time. The SVV is not detected within a specified period of time.
SC46-14* While in the image write, the expansion processing from the memory to the printer does not terminate within a specified period of time. The output from the page memory to the printer does not terminate within a specified period of
time. The PVV is not detected within a specified period of time.
SC46-15* When writing images, in spite of no resource provided, an inappropriate processing such as an access to the elongation device is made.
SC46-16* When reading images, in spite of no resource provided, an inappropriate processing such as an access to the compression device is made.
SC46-17* When processing images, a filter coefficient cannot be created nor-
mally.
SC46-19* When accessing to the memory device, a defective software is detected.
SC46-21* The expansion processing from the memory to the page memory is not terminated within a specified period of time. The compression processing
from the page memory to the memory is not terminated within a specified period of time. The development from the memory into the page memory is not
terminated within a specified period of time. The transmission of the compressed data from memory to memory is not terminated within a specified period of time.
SC46-23* While in the image read, SVV does not turn OFF within a specified period of time and the preparation for scanning the next page cannot be started.
SC46-24* Shading correction abnormality (GA abnormality).
SC46-25* AOC/AGC adjustment abnormality.
• The light blocking cover at the read section and the lens cover are removed.
• The connector of the CCD board is disconnected.
• The power cable of the CCD board is unplugged.
• The ICP of the CCD board is cut off.
• The light volume of the expo-sure lamp is excessive.
• The exposure lamp does not light up.
SC46-26# The adjustment data evacuated by resolutions is not available.
SC46-27# A density conversion gamma curve cannot be created normally.
SC46-29* Calibration start abnormality.
SC46-30* Calibration completion abnormality.
SC46-31* Despite of the MPC not being ter-minated, the initial sampling of the APC is attempted.
SC46-32* While executing the APC, the execution of the MPC is attempted.
SC46-34* When a clock for the image write is abnormal, the sub scan beam interval is attempted to be corrected.
SC46-35 Sequentially shot page area abnormality.
Due to an image area abnormality on the memory, images cannot be developed on the memory.
SC46-36 The PVV is turned ON before the initial APC start processing is completed.
SC46-40 HDD /1 (HDD1) initialization abnormality. The HDD1 is defective, or the connector is poorly connected.
SC46-41 The JOB information cannot be
stored on the HDD /1 (HDD1).
SC46-42 When hard disk /1 (HDD1) JOB auto deletion is being executed, a route cannot be opened.
SC46-43 HDD /1 (HDD1) access defective. The HDD1 is defective or the
connector is poorly connected.
SC46-61# The scan operation starts before the original skew adjustment is terminated.
(The skew adjustment is too late.)
SC46-62# The print operation starts before the paper miscentering adjustment is terminated. (The mis-cen-tering adjustment is too late.)
SC46-63# The AGC is retried due to the decreased light volume of the exposure lamp. However, no error occurs.
SC46-64# A PWM gamma curve is not created properly.
SC46-65# Due to the paper skew correction amount being in excess of the permissible limit, the print is made with the leading edge shifted.
SC46-80* The message queue is insufficient or destroyed.
SC46-81* The parameter value is in excess of the permissible limits.
SC46-82* The ID of the task that sends the message queue is undefined.
SC46-83* The receiving event of the message is undefined.
SC46-90* Memory access abnormality.
SC46-91* Header readout address abnormality.
SC49-01*1 The communication from IC-203 to the overall control board (OACB) is blocked.
SC49-03 DMA abnormality.
SC49-04 HDD /2 (HDD2) abnormality.
SC49-05 IC cooling fan (FM21) abnormal-ity.
SC49-06 FATAL error.

SC49-07 The CF card in IC-203 is different
from the program version of the hard disk /2 (HDD2).
SC49-08*1 While in the security ON, the unlock of the hard disk /2 (HDD2) results in failure. (Due to the mismatch of the password)
SC49-09*1 While in the security ON, an unlocked HDD is connected.
SC49-10 An unformatted HDD /2 (HDD2) is detected.
SC50-01* I/O initial communication check in the printer control board (PRCB). Main body drive serial input abnormality 1. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
SC50-02* Main body drive serial input abnormality 2. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
SC50-03* Main body drive serial input abnormality 3. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
SC50-04* Main body drive serial input abnormality 4. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
SC50-05* Communication error check between the printer engine system boards. Drive communication reception error detection abnormality. A reception error interrup-
tion occurs while in the drive board serial data reception. Or, due to the occurrence of the data checksum error /ID information error, a retransmission request is made three times and an error is detected on the 4th time.
SC50-10* Initial communication check between OACB/PRCB. Overall control board (OACB) communication connection abnormality. An initial data reception is not made from the OACB within a specified period of time after the power is turned on.
SC50-11* Communication error check between OACB/PRCB. Overall control board (OACB) communication serial reception error detection abnormality.
SC52-01 The rotation of the cooling fan /1 (FM3) and /2 (FM4) are checked and +24V power source is also checked. An abnormal condition occurs with the FM3 and FM4 EM
signal a specified period of time after FM3 and FM4 turns ON. This abnormal condition recurs even a specified period of time after FM3 and FM4 are turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
SC52-02 Rotation of the cooling fan /1 (FM3) and /2 (FM4) are checked. An abnormal condition occurs with the FM3 and FM4 EM signal a specified period of time after FM3 and FM4 turns ON. This abnormal condition recurs even a specified period of time after FM3 and FM4 are turned OFF and then turned ON, and an error detection signal (24V cut off) is not detected.
SC52-03# The blowout of ICP for the cooling fan /1 (FM3) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM3 EM signal a speci-fied period of time after FM3 turns ON. This abnormal condition recurs even a specified period of time after FM3 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
SC52-04# Rotation of the cooling fan /1 (FM3) is checked. An abnormal condition occurs with the FM3 EM signal a specified period of time after FM3 turns ON. This
abnormal condition recurs even a specified period of time after FM3 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is not detected.
SC52-05# The blowout of ICP for the cooling fan /2 (FM4) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM4 EM signal a speci-fied period of time after FM4 turns ON. This abnormal condition recurs even a specified period of time after FM4 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
SC52-06# Rotation of the cooling fan /2 (FM4) is checked. An abnormal condition occurs with the FM4 EM signal a specified period of time after FM4 turns ON. This abnormal condition recurs even a specified period of time after FM4 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is not detected.
SC52-07 The rotation of the cooling fan /3 (FM6) is checked and +24V power source is also checked. An abnormal condition occurs with the FM6 EM signal a speci-fied period of time after FM6 turns ON. This abnormal condition recurs even a specified period of time after FM6 is turned OFF and then turned ON, and an error detection signal (24V cut off) is detected.
SC52-08 The blowout of ICP for the cool-ing fan /3 (FM6) in the AC drive board (ACDB) is checked. An abnormal condition occurs with the FM6 EM signal a speci-fied period of time after FM6 turns ON. This abnormal condition recurs even a specified period of time after FM6 is turned OFF and then turned ON, and an error detection signal (blowout of ICP) is detected.
SC52-09 Rotation of the cooling fan /3 (FM6) is checked. An abnormal condition occurs with the FM6 EM signal a specified period of time after FM6 turns ON. This abnormal condition recurs even a specified period of time after FM6 is turned OFF and then turned ON, and an error detection signal (24V cut off/blowout of ICP) is not detected.
SC52-10 When the print is started, an error detection signal of the cooling fan /1 (FM3) or the cooling fan /2 (FM4) is detected.
SC52-11 When the print is started, an error detection signal of the cooling fan /3 (FM6) is detected.
SC53-01 A speed error signal of the fusing motor (M1) is checked. An error detection signal is detected twice in succession a specified period of time after M1 turns ON. (The first signal is ignored.)
SC53-02# The 24V power source for the total counter (TCT) is checked. When TCT is turned ON from OFF, an error detection signal (blowout of ICP/24V cut off) is detected.
SC53-03# The blowout of ICP for TC in the AC drive board (ACDB) is checked. When the total counter (TCT) is turned ON from OFF, an error detection signal (blowout of ICP) is detected. However, an error detection signal (24V cut off) is not detected.
SC53-04# The 24V power source for the key counter (KCT) is checked. When KCT is turned ON from OFF, an error detection signal (blowout of ICP/24V cut off) is detected.
SC53-05# The blowout of ICP for KCT in the AC drive board (ACDB) is checked. When the key counter (KCT) is turned ON from OFF, an error detection signal (blowout of ICP) is detected. However, an error detection signal (24V cut off) is not detected.
SC53-06 The blowout of a 12V ICP for the AC drive board (ACDB) is checked.
In the serial initial communication, a signal of the blowout of a 12V ICP (AC drive) is detected.
SC53-07 The blowout of a 5V ICP for the AC drive board (ACDB) is checked. In the serial initial communication, a signal of the blow-out of a 5V ICP (AC drive) is detected.
SC53-08 The 12V power source in the printer control board (PRCB) is checked. An error detection sig-nal of the 12V in PRCB is detected.
SC53-11 The 24V power source for the SD/CL in the printer control board (PRCB) is checked. At the start, an error detection signal (blowout of ICP for the solenoid/clutch) is detected, and an error detection signal (24V cut off) is also detected.
SC53-12 The blowout of ICP for the SD/CL in the printer control board (PRCB) is checked. At the start, an error detection signal (blowout of ICP for the solenoid/clutch) is detected. However, an error detection signal (24V cut off) is not detected.
SC60-01* Although the main body sends out data according to the data retransmission request made by the DF, a retransmission request signal is received again.
SC60-02* When a checksum error or an SRGA reception error was detected while in the reception in serial communication, a signal was sent to make a request for sending data again. And when data is being received upon this request, a checksum error or an SRGA reception error is detected again.
SC60-03* When the main power switch (SW1) is ON, there is no response to the initial communication request from the main body to the DF even after a specified period of time elapses.
SC60-11 When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the DF control program.
SC67-01 Original registration sensor (PS306) abnormality.

SC67-02 Original conveyance sensor (PS308) abnormality.

SC67-03 Original reverse sensor (PS309) abnormality.

SC67-04 Non-volatile memory error.

SC67-05 Cooling fan (FM301) abnormality.

SC67-06 Reverse jam sensor (PS304) abnormality.

SC67-07 Original reverse/exit sensor (PS313) abnormality.

SC67-08 Tray up/down motor (M303) abnormality.

SC70-01* Communication error.

SC70-02* Start-up response error.

SC77-01 The shift unit does not get to the shift position or the HP within a specified period of time.

SC77-02 After start-up of the main tray up/ down motor (M3) operation, the main tray upper limit sensor (PS2) or the stapler paper exit upper limit sensor (PS7) does not turn ON within a specified period of time.
SC77-03 After start-up of the alignment motor /Up (M5) operation, the alignment home sensor /Up (PS8) does not turn OFF within a speci-fied period of time. Or, it does not turn ON after being turned OFF.
SC77-04 After start-up of the paper exit roller motor (M7) operation, a pre-determined speed is not obtained within a specified period of time.
SC77-05 After start-up of the paper exit opening motor (M8) operation, the open/close operation is not completed within a specified period of time. (The paper exit opening home sensor (PS12) does not turn ON or OFF.)
SC77-06 After start-up of the stapler move-ment motor (M11) operation, the stapler movement home sensor (PS11) does not turn OFF. Or, it does not turn ON after being turned OFF.
SC77-07 Stapler rotation motor (M6) abnormality.
SC77-08 Stapler /Rr rotation abnormality (FS-604 only)
SC77-11 The stapler motor home sensor / Fr (PS31) does not turn ON within a specified period of time after the stapler motor /Fr (M14) starts operations. (FS-509) Within a specified period of time after the start-up of the clincher motor /Fr (M15) or stapler motor / Fr (M14) operation, the clincher home sensor /Fr (PS33) or the stapler home sensor /Fr (PS31) does not turn ON. (FS-604)
SC77-12 The stapler motor home sensor / Rr (PS30) does not turn ON within a specified period of time after the stapler motor /Rr (M10) starts operations. (FS-509) Within a specified period of time after the start-up of the clincher motor /Rr (M10) or stapler motor / Rr (M9) operation, the clincher home sensor /Rr (PS32) or the stapler home sensor /Rr (PS30) does not turn ON. (FS-604)
SC77-15 Within a specified period of time after the start-up of the FS con-veyance motor (M1) operation, the motor does not get to the predetermined speed.
SC77-21 After the saddle stitching stopper motor (M18) starts the home position detection operation, the saddle stitching stopper home sensor (PS23) does not turn ON within a specified period of time. (FS-604 only)
SC77-22 After the alignment motor /Lw (M16) starts the home position detection operation, the align-ment plate home sensor /Lw (PS24) does not turn ON within a specified period of time. (FS-604 only)
SC77-25 After the folding blade motor (M19) starts the home position detection operation, the folding blade home sensor /Lw (PS22) does not turn ON within a speci-fied period of time. (FS-604 only)
SC77-26 After start-up of the folding conveyance motor (M20) operation, the M20 does not get to the pre-determined speed within a specified period of time. (FS-604 only)
SC77-31 After start-up of the conveyance motor (M101) operation, the M101 does not get to the prede-termined speed within a specified period of time.
SC77-32 After the blade motor (M102) starts the home position detec-tion operation, the blade home switch (MS101) does not turn ON within a specified period of time.
SC77-33 After the stopper motor (M103) starts the home position detection operation, the stopper home sensor (PS103) does not turn ON within a specified period of time.
SC77-34 After the stopper release motor (M104) starts the home position detection operation, the stopper release home sensor (PS104) does not turn ON within a specified period of time.
SC77-35 After the press motor (M105) starts the home position detection operation, the press home sensor (PS105) does not turn ON within a specified period of time.
SC77-36 After the pusher motor (M107) starts the home position detec-tion operation, the pusher home sensor (PS112) does not turn ON within a specified period of time.
SC77-37 After the holder motor (M106) starts the home position detection operation, the upper limit sensor (PS110) does not turn ON within a specified period of time.
SC77-41 After start-up of the tray lift motor /Lw (M202) operation, the tray lower limit sensor /Lw (PS210) does not turn ON within a speci-fied period of time.
SC77-42 After start-up of the tray lift motor /Up (M201) operation, the tray upper limit sensor /Up (PS204) does not turn ON within a speci-fied period of time.
SC77-43 After the conveyance motor (M203) turns ON, the M203 does not get to the predetermined speed within a specified period of time.
SC77-44 After the punch shift motor (M802) starts the home position search, the punch shift home sensor (PS803) does not turn ON even when a specified period of time elapses.
SC77-47 Communication abnormality between FS-PK.
SC77-52 After the 1st stopper motor (M2) starts the home position search, the 1st stopper home sensor (PS3) does not turn ON even when a specified period of time elapses.
SC77-53 After the 2nd stopper motor (M3) starts the home position search, the 2nd stopper home sensor (PS4) does not turn ON even when a specified period of time elapses.
SC77-54 After the punch clutch (CL1) turns on, the punch operation is not completed even when a specified period of time elapses. (The home punch sensor (PS6) does not turn OFF, or does not turn ON after being turned OFF.)
SC77-55 After the punch shift motor (M5) starts the home position search, the punch shift home sensor (PS5) does not turn ON even when a specified period of time elapses.
SC77-56 A specified period of time after the conveyance motor cooling fan (M10) is turned on, the EM signal of the M10 gets into an abnormal condition. Even after
three trials with the M10 turned OFF, an abnormal condition still recurs.

SC77-57 After the punch motor (M4) turns on, the punch operation is not completed even when a specified period of time elapses. (The punch home sensor (PS6) does not turn OFF, or it does not turn ON after being turned OFF.)
SC77-58 After the punch switching motor (M8) starts the home position search, the punch switching switch (MS2) does not turn ON even when a specified period of time elapses.
SC77-81 After the gate motor (M12) starts the home position search, the gate home sensor (PS16) does not turn ON even when a speci-fied period of time elapses.
SC77-91 Communication error when the sub CPU in the FS control board (FSCB) is receiving data.
SC77-92 Communication error when the main CPU in the FS control board (FSCB) is receiving data.
SC77-98 When the FS is started, an unwritten flash ROM is detected.
SC80-01* Initial communication error between OACB/PRCB. When the main power switch (SW1) is turned ON, a response from the printer control board (PRCB) is not received even after a specified period of time elapses.
SC80-02* Communication error between OACB/PRCB.
SC80-03* Communication error between OACB/OB1.
SC80-11 When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the printer control program.
SC80-21 When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the IC-203 program.
SC80-30 While in the data transmission by the ISW, a formal header information cannot be received within a specified period of time.
SC80-31 While in the data transmission by the ISW, a checksum error or header error is detected with the download data.
SC80-32 When ISW transfers data, the data is not written into the flash ROM correctly.
SC80-40 When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the FS control program.
SC80-45 When the main power switch (SW1) is ON, a region into which no write was made by the ISW is detected in the IC program.
SC90-01* Initial communication check between the ADU drive board (ADUDB)/ printer control board (PRCB). ADU drive serial input abnormality 1. Within a specified period of time after the ACK at the time of the main power switch (SW1)
being turned ON, a serial data from ID = 0 of the ADUDB is not received.
SC90-02* Communication error check between the ADU drive board (ADUDB)/ printer control board (PRCB). ADU drive serial input abnormality 1. Within a specified period of time after the ACK at the time of the main power switch (SW1) being turned ON, a serial data from ID = 7 of ADUDB is not received.
SC93-01 12V ICP blowout in the ADU drive board (ADUDB). A -5V ICP blow-out signal and blowout of a 12V ICP signal are detected for the serial initial communication.
SC93-05 24V power source check. At the start of operation, an error detec-tion signal (solenoid/blowout of clutch ICP) is detected, and also an error detection signal (24V cut off) is detected.
SC93-06 At the start of operation, an error detection signal (solenoid/blow-out of clutch ICP) is detected. However, an error detection sig-nal (24V cut off) is not detected.
SC95-01 A specified period of time after the ADU cooling fan /1 (FM10), /2 (FM11) turns on, the F10/11 signal gets into an abnormal condi-tion. This abnormal condition still
recurs a specified period of time after it is turned ON again after being turned OFF, and also an error detection signal (24V cut off) is detected.

SC95-03 ADU cooling fan /1 (FM10), /2 (FM11) rotation check. A speci-fied period of time after the FM10, FM11 turns ON, the FM10/11 signal gets into an abnormal con-dition. This abnormal condition still recurs a specified period of time after it is turned ON again after being turned OFF, and also an error detection signal (24V cut off/blowout of ICP) is not detected.