Lexmark X734DE - Page 77

Diagnostic information 2-39
7526
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952.01–952.99
NVRAM Error
CRC error has occurred. This is
recoverable.
Perform a POR to clear the error.
953.01–953.99
NVRAM Failure
Operator panel assembly NVRAM
failure.
• POR the printer.
• Replace the operator panel assembly if the error
message persists. See “Operator panel
assembly removal” on page 4-26.
954.01–954.99 NVRAM
Failure
System NVRAM failure. • POR the printer.
• If the error message persists, replace the
printhead. See “Printhead removal,
installation, and adjustment” on page 4-147.
955.01–955.99
Code Failure
System board memory failure. • POR the printer.
• If the error message persists, replace the
system board. See “System board removal”
on page 4-165.
956.01–956.99
System Card Failure
Processor failure. • POR the printer.
• If the error message persists, go to “956.xx—
System board failure service check” on
page 2-134.
957.00–857.99
System Failure
ASIC failure. • POR the printer.
• If the error message persists, replace the
system board. See “System board removal”
on page 4-165.
958.01–958.99
Memory Failure
Processor failure. • POR the printer.
• If the error message persists, replace the
system board. See “System board removal”
on page 4-165.
959.00–959.05
Engine Code Error
Invalid engine code • 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. See “System board removal”
on page 4-165.
959.20–959.28
System Failure
System board failure. • POR the printer.
• If the error message persists, replace the
system board. See “System board removal”
on page 4-165.
960.01—960.99
Memory Error
Memory failure. • POR the printer.
• If the error message persists, replace the
system board. See “System board removal”
on page 4-165.
961.01–961.99
Memory Failure
Memory failure. • POR the printer.
• If the error message persists, replace the
system board. See “System board removal”
on page 4-165.
962.00–962.99
Memory Failure
Memory failure. • POR the printer.
• If the error message persists, replace the
system board. See “System board removal”
on page 4-165.
Error code Description Action