Lexmark CS748de, Service Manual

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Service Manual
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945.04
Transfer Roll
Black transfer roll has failed. • POR the printer.
• If the error message persists, go to
“945.xx,
947.xx—Transfer roll error service check” on
page 2-119
.
947.01
Transfer Roll
Yellow transfer roll has failed. • POR the printer.
• If the error message persists, go to
“945.xx,
947.xx—Transfer roll error service check” on
page 2-119
.
947.02
Transfer Roll
Cyan transfer roll has failed. • POR the printer.
• If the error message persists, go to
“945.xx,
947.xx—Transfer roll error service check” on
page 2-119
.
947.03
Transfer Roll
Magenta transfer roll has failed. • POR the printer.
• If the error message persists, go to
“945.xx,
947.xx—Transfer roll error service check” on
page 2-119
.
947.04
Transfer Roll
Black transfer roll has failed. • POR the printer.
• If the error message persists, go to
“945.xx,
947.xx—Transfer roll error service check” on
page 2-119
.
950.00–950.29
NVRAM Failure
A mismatch between the operator
panel assembly and the system
board.
• POR the printer.
• If the error message persists, go to
“950.00–
950.29—EPROM mismatch failure” on
page 2-121
951.01–951.99
NVRAM Failure
System board NVRAM failure. • POR the printer.
• If the error message persists, replace the
system board. See
“System board removal”
on page 4-163
.
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 (C746)” on page 4-34
.
954.01–954.99
NVRAM Failure
System NVRAM failure. • POR the printer.
• If the error message persists, replace the
system board. See
“System board removal”
on page 4-163
.
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 4-163
.
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 2-122
.
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 4-163
.
Error code Description Action