Error code Description Action
954.xx NVRAM chip failure with system card assembly.
Replace the system card assembly.
Go to
“System card assembly removal” on
page 283.
955.xx The Code ROM or NAND Flash failed the Cyclic
Redundancy Check (CRC) or the NAND
experienced an uncorrectable multi‑bit failure.
Replace the system card assembly.
956.xx The processor has failed on the system card
assembly.
Replace the system card assembly.
956.01 The system card processor is over temperature or
is damaged.
Replace the system card assembly.
957.xx The ASIC has failed on the system card assembly.
Replace the system card assembly.
958.xx Printer has performed more than 100 “shift and
reflash” operations as a result of ECC bit
corrections.
Replace the system card assembly.
959.xx The system card cannot properly authenticate the
print cartridge or the authentication process has
failed.
Replace the system card assembly.
960.xx RAM memory error: RAM soldered on the card is
bad.
Go to
“RAM memory error service check” on
page 230
961.xx RAM memory error: Slot 1 RAM is bad.
962.xx RAM memory error: Slot 2 RAM is bad.
963.xx RAM memory error: Slot 3 RAM is bad.
964.xx The download emulation Cyclic Redundancy
Check (CRC) detected a failure.
Disable the download emulation, and then program
the download emulation into the
firmware
card
again. If the problem remains, replace the system
card assembly.
Go to
“System card assembly removal” on
page 283.
975.xx The system detected an unrecognizable network
port.
N/A
976.xx The system detected an unrecoverable software
error network port.
N/A
978.xx The system detected a bad checksum while
programming a network port.
N/A
979.xx The flash parts failed while programming a network
port.
N/A
4062
Diagnostic information
207