Remedy: General Engine Software Errors 902 through 907 indicate an unrecoverable engine software error. The system board may cause this type of error. Turn the printer off and on to try and clear the error code. If this does not fix the problem after several attempts, call your next level support before replacing the system board.
Code: 904
Description: Engine Software
Remedy: Interface violation by RIP - Check all cabling and connections to the system board. If no problem is found, replace the system board.
Code: 906
Description: Engine RAM Error
Remedy: Engine RAM Error - Replace the system board
Code: 907
Description: Engine Flash Error
Remedy: Engine Flash Error - The system board might be causing the error code. Try the following: Reflash the system board with the correct level code. If this does not fix the problem, replace the system board.
Code: 920
Description: Color Calibrate
Remedy: Unrecoverable TPS Gain Error - Replace the ITU assembly
Code: 921
Description: Color Calibrate
Remedy: Unrecoverable TPS Error - Replace the ITU assembly.
Code: 922
Description: Color Calibrate
Remedy: Unrecoverable TPS Invalid Belt - Replace the ITU assembly