Description: Flash ROM error
Checksum is erroneous with the flash ROM.
Causes: • Data readout error on the flash ROM
Code: E9
Description: Toner motor error
The toner motor is overtorqued
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: F0
Description: Front control panel error
Communication is failed between the front panel and the main controller.
Causes: Replace the main controller board.
Code: F1
Description: System ROM error
Checksum is failed with FLASH ROM on the main controller board.
Causes: Replace the main controller board.
Code: F2
Description: Main memory error
Checksum is failed with the RAM on the main controller board
Causes: Replace the main controller board.
Code: F3
Description: General failure
Miscellaneous failure with the main controller, other than F0, F1, and F3, above.
Causes: Turn printer power off, then on again. If not solved, replace the main controller board.