Lexmark 7462 series Service Manual page 230

Error code Description
952.xx A recoverable NVRAM Cyclic Redundancy Check
(CRC) error occurred.
953.xx The NVRAM chip has failed on the scanner
interface card assembly.
Replace the scanner interface card assembly.
954.xx NVRAM chip failure with system card assembly.
Replace the system card assembly.
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.
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.
975.xx The system detected an unrecognizable network
port.
976.xx The system detected an unrecoverable software
error network port.
Action
Go to
service check" on page
Go to
removal" on page
Go to
page
Go to
page 253
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page
N/A
N/A
Diagnostic information
230
"NVRAM Cyclic Redundancy Check error
252.
"Scanner interface card assembly
508.
"System card assembly removal" on
321.
"RAM memory error service check" on
"System card assembly removal" on
321.
7462