Description: Code CRC <loc> System board—This error indicates that the Code ROM or NAND failed the CRC check. The location of the failure is indicated by <lo
Remedy: Replace the system board.
Code: 956.xx
Description: Service <xxxx> System Board
Remedy: 1 Remove all option boards from the system board. Turn on the printer. Does the error continue? Replace the system board. See “System board removal”. Go to step 2 2 Replace each option board one at a time, making sure the boards are properly seated. Turn the printer off and then on between each option board to view any error messages. Does the error reappear? Replace the failing option board. Problem resolved
Code: 957.xx
Description: System Board ASIC Failure
Remedy: Replace the system board
Code: 958.xx
Description: NAND Failure
Remedy: Replace the system board.
Code: 960.xx
Description: RAM Memory Error RAM soldered on board is bad