• Code: 955
• Description: Code CRC <loc>
• Remedy: Replace the system board. Where <loc> = CRC Failure or ECC Failure on the system board.

• Code: 956, 957, 959
• Description: System Board
• Remedy: Error codes 956 thru 959 are system board failures. Perform a power on reset (POR). If this does not fix the problem, replace the system board. • 956 = Processor failure • 957 = ASIC failure • 959 = SRAM failure

• Code: 958
• Description: NAND Failure
• Remedy: Before proceeding when a 958 NAND failure displays, perform a power on reset (POR) to see if the ECC error correction code can reflash NAND. If this does not fix the problem, replace the system board.

• Code: 960
• Description: RAM Memory Error
• Remedy: Indicates a DRAM Memory Error on the system board. Replace the system board.

• Code: 961
• Description: RAM in Slot 2 is Bad
• Remedy: If another SDRAM memory DIMM is installed in slot 1, turn the power off, switch the DIMM in slot 1 to slot 2. If the memory in slot 2 now works correctly, replace the failing DIMM that was in slot 2. If this does not fix the problem, replace the system board. If another DIMM is not available, replace the memory option. If this does not fix the problem, replace the system board.

• Code: 962
• Description: RAM in Slot 1 is Bad
• Remedy: If another SDRAM memory DIMM is installed in slot 2, turn the power off, switch the DIMM in slot 2 to slot 1. If the memory in slot 1 now works correctly, replace the failing DIMM that was in slot 1. If this does not fix the problem, replace the system board. If another DIMM is not available, replace the memory option. If this does not fix the problem, replace the system board.

• Code: 964
• Description: Emulation Error
• Remedy: Indicates a failure within the Download Emulation which is programmed into the code overlay card. The specific error is as follows: 964 - Download Emulation CRC Failure. Checksum Failure.

• Code: 975 ... 979
• Description: Network Card x
• Remedy: The following errors indicate a failure with the network card in the specified slot. (x=any card installed in slots 1 or 2.) • 975 - Unrecognizable Network Card x. Replace network card x. • 976 - Unrecoverable software error in network card x. • 978 - Bad checksum while programming network card x. Replace network card x. • 979 - Flash parts failed while programming network card x. If the printer is a network model, replace the system board.