• Code: 004E
• Description: DC power supply fan motor malfunction • The DC power supply fan motor does not rotate evenly even after the lapse of a given period of time while it is being started. • The motor lock signal remains HIGH for a given period of consecutive time while the DC power supply fan motor is being rotated.
• Remedy: 1 Check the FM1 connector 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.

• Code: 0060
• Description: Fusing motor malfunction • The fusing motor does not rotate evenly even after the lapse of a given period of time while it is being started. • The motor lock signal remains HIGH for a given period of consecutive time while the fusing motor is being rotated.
• Remedy: 1 Check the M4 connector for proper connection and correct as necessary. 2 Check the fuser unit driving mechanism for possible overload and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 M4 operation check. 5 Change M4. 6 Change PRCB.

• Code: 0094
• Description: 2nd image transfer pressure / retraction failure • The 2nd image transfer retraction position sensor is not activated (retracted position) within a given period of time after the retraction sequence of the 2nd transfer roller has been started. • The 2nd image transfer retraction position sensor is not deactivated (pressed position) within a given period of time after the pressure sequence of the 2nd transfer roller has been started.
• Remedy: 1 Check the M3 connector for proper connection and correct as necessary. 2 Check the CL5 connector for proper connection and correct as necessary. 3 Check M3 for proper drive coupling and correct as necessary. 4 Check CL5 for proper drive coupling and correct as necessary. 5 Check the PRCB connector for proper connection and correct as necessary. 6 PS10 sensor check. 7 CL5 operation check. 8 M3 operation check. 9 Change M3. 10 Change CL5. 11 Change PRCB.

• Code: 0096
• Description: 1st image transfer pressure / retraction failure • The 1st image transfer retraction position sensor is not activated (retracted position) within a given period of time after the intermediate transport motor has started rotating. • The 1st image transfer retraction position sensor is not deactivated (pressed position) within a given period of time after the intermediate transport motor has started rotating.
• Remedy: 1 Check the M3 connector for proper connection and correct as necessary. 2 Check the CL4 connector for proper connection and correct as necessary. 3 Check M3 for proper drive coupling and correct as necessary. 4 Check CL4 for proper drive coupling and correct as necessary. 5 Check the PRCB connector for proper connection and correct as necessary. 6 PS9 sensor check. 7 CL4 operation check. 8 M3 operation check. 9 Change M3. 10 Change CL4. 11 Change PRCB.

• Code: 0300
• Description: Polygon motor malfunction • The polygon motor does not rotate evenly even after the lapse of a given period of time after it has been started. • The motor lock signal remains HIGH for a given period of consecutive time while the polygon motor is being rotated.
• Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PRCB.

• Code: 0310
• Description: Laser malfunction • The SOS signal is not detected within a given period of time after the output of the laser has been started.
• Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PRCB.

• Code: 0500
• Description: Heating roller warm-up failure • The thermistor /1 does not detect the specified temperature and the warm-up cycle is not completed even after the lapse of a given period of time after the cycle has been started.
• Remedy: 1 Check the fuser unit for correct installation (whether it is secured in position). 2 Check the fuser unit, DCPU, and PRCB for proper connection and correct as necessary. 3 Change fuser unit. 4 Change PRCB. 5 Change DCPU.

• Code: 0502
• Description: Thermistor open-circuit failure • The temperature detected by the thermistor does not reach a predetermined level even after the lapse of a given period time after the warm-up cycle has been started.
• Remedy: 1 Check the fuser unit for correct installation (whether it is secured in position). 2 Check the fuser unit, DCPU, and PRCB for proper connection and correct as necessary. 3 Change fuser unit. 4 Change PRCB. 5 Change DCPU.