• Code: 952.01 ... 952.99
• Description: NVRAM Error CRC error has occurred. This is recoverable.
• Remedy: Perform a POR to clear the error.

• Code: 953.01 ... 953.99
• Description: NVRAM Failure Operator panel assembly NVRAM failure.
• Remedy: • POR the printer. • Replace the operator panel assembly if the error message persists

• Code: 954.01 ... 954.99
• Description: NVRAM Failure System NVRAM failure.
• Remedy: • POR the printer. • If the error message persists, replace the printhead.

• Code: 955.01 ... 955.99
• Description: Code Failure System board memory failure.
• Remedy: • POR the printer. • If the error message persists, replace the system board.

• Code: 956.01 ... 956.99
• Description: System Card Failure Processor failure.
• Remedy: 1 1. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal”. 3. Check the cable in connector J49 (A) for proper connection to the system board. Is the cable seated correctly? Replace the system board. See “System board removal”. Reseat the cable.

• Code: 957.00 ... 957.99
• Description: System Failure ASIC failure.
• Remedy: • POR the printer. • If the error message persists, replace the system board.

• Code: 958.01 ... 958.99
• Description: Memory Failure Processor failure.
• Remedy: • POR the printer. • If the error message persists, replace the system board.

• Code: 959.00..959.05
• Description: Engine Code Error Invalid engine code
• Remedy: • POR the printer. • If the error message persists, download the engine code again. • POR the printer again. • If the error message persists, replace the system board.