Description: An error was detected with the Duplex Fan Motor.
Remedy: Does error reoccur? Does error reoccur after power restoration? Power Off/On. Check if the FAN is connected properly. Replace the FAN.
Code: 923
Description: An error was detected with the image drum motor by overload.
Remedy: Does error reoccur after power restoration? Does error reoccur after power restoration? Check if the image drum is installed properly. Replace the image drum unit. Replace the ID motor.
Code: 928
Description: An error was detected the Fuser Motor rotation by overload.
Remedy: Does error reoccur after power restoration? Does error reoccur after power restoration? Check if the fuser is installed properly. Replace the fuser. Replace the fuser motor.
Code: 933
Description: Tray2 CPU Clock Frequency Error
Remedy: Does error reoccur after power restoration? Does error reoccur after power restoration? Replace the unit. Replace the PU/ CU board.
Code: 934
Description: Tray3 CPU Clock Frequency Error
Remedy: Does error reoccur after power restoration? Does error reoccur after power restoration? Replace the unit. Replace the PU/ CU board.
Code: 935
Description: Tray4 CPU Clock Frequency Error
Remedy: Does error reoccur after power restoration? Does error reoccur after power restoration? Replace the unit. Replace the PU/ CU board.