Lexmark X940e Owners Manual

Diagnostic information2-25
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847.01
Service faxFax storage The remaining memory available on the hard drive 
is too small.
Go to “847.01 Fax storage error” on page 2-130.
848.00
Service modemFax modem/configuration ID 
mismatchThe device does not have a modem installed, even 
though its configuration ID indicates that a modem 
should be present.
Go to “848.00 Fax/modem configuration ID 
mismatch” on page 2-131.
849.00
Service hard 
driveHard drive/configuration ID 
mismatchThe...

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902.07
Service engine 
errorGeneral lower engine card 
error
Fuse #5An error has occurred in the lower engine card 
assembly.
Go to “902.07 General lower engine error fuse 
#5” on page 2-141.
903.00
Service motor 
errorK developer/transport drive 
motor errorK developer/transport drive motor error does not 
rotate at the specified speed.
Go to “903.00 K developer/transport drive 
assembly motor error” on page 2-142.
903.01
Service motor 
errorK PC drive motor...

Diagnostic information2-27
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904.05
Service 
transfer beltSensor (CMY transfer roll 
retract HP) late errorThe sensing area of the sensor (CMY transfer roll 
retract HP) is not interrupted within the specified 
time when the CMY retract rolls are moving to the 
home position.
Go to “904.05 Sensor (CMY transfer roll retract 
HP) late error” on page 2-162
904.06
Service 
transfer beltSensor (CMY transfer roll 
retract HP) lag or transfer belt 
unit assembly missing.The sensing area...

2-28Service Manual 7510
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907.03
Printhead errorC laser SOS internal error The interval of the printhead start of scan C signals 
exceed the specified value.
Go to “907.03 C laser SOS internal error” on 
page 2-170.
907.04
Printhead errorK laser SOS internal error The interval of the printhead start of scan K signals 
exceed the specified value.
Go to “907.04 K laser SOS internal error” on 
page 2-170.
907.05
Printhead errorPrinthead control error Operation error of the printhead ASIC...

Diagnostic information2-29
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920.02
Service fuser 
errorFuser sub lamp overheat 
errorThe rear thermistor detected an abnormal high 
temperature.
This error must be reset inside diagnostic mode 
before troubleshooting or machine operation can 
occur.
Go to “920.02 Fuser sub lamp overheat error” on 
page 2-175.
920.03
Service fuser 
errorRear thermistor 
disconnection errorThe system detected an open circuit in the fuser 
rear thermistor.
Go to “920.03 Rear thermistor...

2-30Service Manual 7510
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925.00
Service PC 
cartridgeSensor (Y ATC) Outputs of the sensor (Y ATC) are not in the 
specified range.
This error must be reset inside diagnostic mode 
before troubleshooting or machine operation can 
occur.
Go to “925.00 Sensor (Y ATC) error” on 
page 2-181.
925.01
Service PC 
cartridgeSensor (M ATC) Outputs of the sensor (M ATC) are not in the 
specified range.
This error must be reset inside diagnostic mode 
before troubleshooting or machine operation...

Diagnostic information2-31
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941.00
Service tray 1 
failureSwitch (media size) size 
sensing error (tray 1)The tray 1 switch (media size) detected an invalid 
size setting.
Go to “941.00 Switch (media size) size sensing 
error (tray 1)” on page 2-185.
941.01
Service tray 1 
failuresensor (media level) late 
error (tray 1)The sensing area of the sensor (media level) in the 
media tray 1 is not interrupted within the specified 
time after the lift tray has risen to operating...

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950.00 through 
950.29
Service 
NVRAM 
mismatchEPROM mismatch failure This error code indicates a mismatch between the 
operator panel assembly and the interconnect card 
assembly.
Warning: In the event of replacement of any one of 
the following components:
• RIP card assembly
• Interconnect card assembly
Only replace one component at a time. Replace the 
required component, and perform a POR before 
replacing a second component listed above. If this...

Diagnostic information2-33
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953.XX
Service 
NVRAM failure Operator panel assembly 
NVRAM failureNVRAM chip failure with operator panel assembly 
(mirror).
Go to Go to “953.XX Operator panel assembly 
NVRAM failure” on page 2-195.
954.XX
Service 
NVRAM failureInterconnect card assembly 
NVRAM failureNVRAM chip failure with interconnect card 
assembly.
Go to Go to “954.XX Interconnect card assembly 
NVRAM failure” on page 2-195.
955.XX
Service Code 
CRCRIP card assembly NAND 
CRC...

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981.00
Service finisher 
errorSensor (stacker bin level 1) 
late error
Sensor (stacker bin level 2) 
late errorThe sensing area of the sensor (stacker bin level 1) 
or Sensor (stacker bin level 2) is not interrupted 
within the specified period after the stacker bin 
starts rising.
Refer to the Finisher Service Manual.
981.01
Service finisher 
errorStacker bin upper limit error The sensing area of the sensor (stacker bin upper 
limit) is not interrupted when...