C11C0, C11D0, C11E0, C1301, C2151, C2152, C2164, C2253, C2254, C225D, C2351, C2451, C2551, C2552, C2553

C11C0 Punch motor malfunction C11D0 Crease motor drive failure C11E0 Route switch malfunction C1301 Finishing option cooling fan motor failure C2151 Secondary transfer roller pressure welding alienation • During a retraction operation of the 2nd image transfer roller, the 2nd image transfer welding alienation sensor cannot detect the 2nd image transfer roller at its retracted position within a predetermined period of time after the 2nd image transfer retraction motor starts rotating. • During a pressure operation of the 2nd image transfer roller, the 2nd image transfer welding alienation sensor cannot detect the 2nd image transfer roller at its pressed position within a predetermined period of time after the 2nd image transfer retraction motor starts rotating. 1 Check the M16 connector for proper connection and correct as necessary. 2 Check the connector of M16 for proper drive coupling and correct as necessary. 3 PS36 I/O check, sensor check. 4 Change the right door assy. 5 Change PRCB. C2152 Transfer belt pressure welding alienation • During a retraction operation of the transfer belt, the transfer belt retraction sensor cannot detect the transfer belt at its retracted position within a predetermined period of time after the transfer belt retraction clutch is turned ON. • During a pressure operation of the transfer belt, the transfer belt retraction sensor cannot detect the transfer belt at its pressed position within a predetermined period of time after the transfer belt clutch is turned ON. 1 Check the M5 connector for proper connection and correct as necessary. 2 PS31 I/O check, sensor check. 3 CL7 operation check. 4 M5 operation check. 5 Change CL7. 6 Change M21. 7 Change PRCB. C2164 PC charge malfunction • When electrostatic charge output is ON, electrostatic charge leak detection system continues to detect leaks for a predetermined period of time. 1 Check the imaging unit for proper connection and correct as necessary. 2 Check the HV connector for proper connection and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 Change IU. 5 Change HV. 6 Change PRCB. C2253 Color 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 M2 connector for proper connection and correct as necessary. 2 Check the M2 connector for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 M2 operation check. 5 Change M2. 6 Change PRCB. C2254 Color 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 M2 connector for proper connection and correct as necessary. 2 Check the M2 connector for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 M2 operation check. 5 Change M2. 6 Change PRCB C225D Color dev. unit engagement/disengagement failure • The gears remain disengaged after the lapse of a predetermined period of time after the engagement operation is started by the color dev. unit engaged motor. • The gears remain engaged after the lapse of a predetermined period of time after the disengagement operation is started by the color dev. unit engaged motor. 1 Check the M10 connector for proper connection and correct as necessary. 2 Check the M10 connector for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 PS26 I/O check, sensor check. 5 M10 operation check. 6 Change M10. 7 Change PRCB. C2351 K toner suction fan 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 FM3 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM3 operation check. 4 Change FM3. 5 Change PRCB. C2451 Release new transfer belt unit • A new installation is not detected when a new transfer cleaner unit (image transfer belt unit) is installed. 1 Reinstall unit. 2 Check there is a short circuit in the fuse of the transfer belt unit. 3 Check the PRCB connector for proper connection and correct as necessary. 4 Change PRCBCB C2551 Abnormally low toner density detected cyan TCR sensor • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 4 % or less for a given number of times consecutively. 1 Reinstall imaging unit. 2 Reinstall toner cartridge. 3 M3, M4 operation check (At this time, IU must be non-installation.). 4 Change imaging unit. 5 Change PRCB. C2552 Abnormally high toner density detected cyan TCR sensor • TC ratio in the developing machine, which is determined by Toner replenishing amount control mechanism, is 11 % or more for a given number of times consecutively. 1 Reinstall imaging unit. 2 Reinstall toner cartridge. 3 Change imaging unit. 4 Change PRCB. C2553 Abnormally low toner density detected magenta TCR sensor • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 4 % or less for a given number of times consecutively. 1 Reinstall imaging unit. 2 Reinstall toner cartridge. 3 M3, M4 operation check (At this time, IU must be non-installation.). 4 Change imaging unit. 5 Change PRCB.