Lexmark X543 - Page 68

2-24 Service Manual
7525-xxx
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958.xx Service
NAND Failure
Printer has performed more than 100
“shift and reflash” operations as a
result of ECC bit corrections.
959.01 Service
Invalid Firmware
Controller verification failure of pensive
boot code
Update firmware or replace controller
board. See“Controller board removal”
on page 4-18.
959.02 Service
Invalid Firmware
Failure to authenticate Signature
Verification Code.
Update firmware or replace controller
board. See“Controller board removal”
on page 4-18.
959.03 Service
Invalid Firmware
Signature verification Code failure to
authenticate a code partition.
Update firmware or replace controller
board. See“Controller board removal”
on page 4-18.
959.04 Service
Invalid Firmware
Jump to unverified address. Update firmware or replace controller
board. See“Controller board removal”
on page 4-18.
959.05 Service
Invalid Firmware
Unknown Boot Failure. Update firmware or replace controller
board. See“Controller board removal”
on page 4-18.
959.20 Service
System Board
System hardware failure. Replace controller board. See“Controller
board removal” on page 4-18.
959.21 Service
System Board
System did not respond to command
request.
Replace controller board.
959.22 Service
System Board
Challenge Secret Failure. ASIC/SP mismatch
Replace controller board. See“Controller
board removal” on page 4-18.
959.23 Service
System Board
System self test failure during
initialization.
Replace controller board. See“Controller
board removal” on page 4-18.
959.24 Service
System Board
EEPROM Retention Error (write
failure)
Replace controller board. See“Controller
board removal” on page 4-18.
959.25 Service
System Board
Insufficient device space during
hardware programming.
Replace controller board. See“Controller
board removal” on page 4-18.
959.26 Service
System Board
Incremental counter reset exceeds
maximum value.
Replace controller board. See“Controller
board removal” on page 4-18.
959.27 Service
System Board
Increment count failed due to
maximum value limit.
Replace controller board. See“Controller
board removal” on page 4-18.
959.28 Service
System Board
Invalid SP memory configuration. Replace controller board. See“Controller
board removal” on page 4-18.
960.xx Service
Memory Error
RAM memory error: RAM soldered on
the board is bad.
Replace controller board. See“Controller
board removal” on page 4-18.
961.xx Service
Memory Failure
RAM memory error: slot 1 RAM is bad. Check RAM. If RAM is ok, replace the
controller. See“Controller board
removal” on page 4-18.
962.xx Service
Memory Failure
RAM memory error: slot 2 RAM is bad. Check RAM. If RAM is ok, replace the
controller. See“Controller board
removal” on page 4-18.
Service error messages (1XX, 8XX and 9xx) (continued)
Error code Description Action