Lexmark X543 Service Manual page 66

7525-xxx
Service error messages (1XX, 8XX and 9xx) (continued)
Error code
907.xx Service
Engine Software
908.01 Service
Engine Software?
908.02 Service
Engine Software
908.03 Service
Engine Software
908.04 Service
Engine Software
925.01 Service
Main Fan
929.xx Service
Toner Sensor
930.xx Service
LVPS
940.xxService
Cyan TMC Sensor
941.xx Service
Magenta TMC
Sensor
942.xx Service
Yellow TMC Sensor
943.xx Service
Black TMC Sensor
948.xx Service
Engine Card
949.xx Service
Engine Card
2-22
Service Manual
Description
A general engine software error.
Board level was not obtained.
Timeout waiting for bullet serial data to
be updated.
NVM_OK was not received from NV2
server for successfully submitted
request.
Over temperature condition detected.
Main fan stalled
The printer doesn't register a transition
on the toner sensor for a set period of
time. Either the printer's toner sensor is
faulty or its print cartridge is defective.
Low voltage power supply did not
detect zero crossing.
The cyan cartridge toner meter cycle
(TMC) switch error.
.01 - Recoverable
.02 - non recoverable
The magenta cartridge toner meter
cycle (TMC) switch error.
.01 - Recoverable
.02 - non recoverable
The yellow cartridge toner meter cycle
(TMC) switch error.
.01 - Recoverable
.02 - non recoverable
The black cartridge toner meter cycle
(TMC) switch error.
.01 - Recoverable
.02 - non recoverable
The pel clock check failed.
Delay line calibration failure
Action
Go to "90x.xx error" on page 2-31
Go to "925.01—Fan error service check"
on page 2-31
The Servicer should follow these steps to
resolve this problem:
1. Use the base sensor test in
Diagnostics mode to inspect the toner
sensor's operation.
2. If the toner sensor is operating
correctly, then the problem is the print
cartridge.
Replace the LVPS. See "Low-voltage
power supply (LVPS) assembly" on
page 4-43.
Go to "Toner sensors (Y, C, M, K) on
TMC card" on page 2-58
Go to "Toner sensors (Y, C, M, K) on
TMC card" on page 2-58
Go to "Toner sensors (Y, C, M, K) on
TMC card" on page 2-58
Go to "Toner sensors (Y, C, M, K) on
TMC card" on page 2-58
If this error message persists, replace the
controller board. See "Controller board
removal" on page 4-18.
If this error message persists, replace the
controller board. See "Controller board
removal" on page 4-18.