Description: Toner motor error
The toner motor is overtorqued.ash ROM
Causes: . Overcurrent in the toner motor circuitry due to an axcessive torque . Loose connector . Defective gate array on the engine board . Defective toner motor overcurrent detector
Code: ED
Description: Flash ROM error
Checksum is erroneous with the flash ROM.
Causes: . Data readout error on the flash ROM
Code: F0
Description: Front control panel error
Communication is failed between the front panel and the main controller.
Causes:
Code: F1
Description: System ROM error
Checksum is failed with EPROMs on the main controller board.
Causes:
Code: F2
Description: Main memory error
Checksum is failed with the RAM on the main controller board.
Causes:
Code: F3
Description: General failure
Miscellaneous failure with the main controller, other than F0, F1, and F3, above.