Lexmark X264 Service Manual

Diagnostics information 2-17
7013-XXX
Service error codes
Service error codes are generally non-recoverable except in an intermittent condition when the printer can be 
put into POR to temporarily recover from the error condition.
Error Description Action
8xx.xx Scanner service errors
840.01 
Scanner 
disabledScanner disabled: the scanner is disabled and cannot be 
used.Enter the configuration menu, and re-enable the 
scanner module. See “840.xx service check” 
on page 2-44.
840.02 
Scanner 
auto...

2-18  Service Manual 7013-XXX
843.02Scanner Failure: general mechanical failure detected See “CCD service check” on page 2-46.
843.03Scanner Failure: pick roller engage failure
843.04Scanner Failure: pick roller disengage failure
844.yyScanner failure: lamp failure
844.00Front scan module output level error
844.01Front scan module lamp level too low: front Mono 
channel, Front Color channels, Front Red channel, Front 
Green channel, and/or Front Blue channel is detected to 
have low lamp level. 844.02...

Diagnostics information 2-19
7013-XXX
847.00Modem failure: the Configuration ID bit that describes 
the device’s modem doesn’t match the actual modem 
installed in the device.Replace the controller board. See “Controller 
board service check” on page 2-26.
847.01Fax storage: the amount of flash storage available on 
the device is too small. Note: The NAND Flash partition 
can shrink as bit failures cause blocks to be invalidated. 
847.02Fax storage: the device’s flash partition is invalid or...

2-20  Service Manual 7013-XXX
Toner service errors
929.00 Toner sensor error Remove the toner cartridge, and shake it Try a 
different toner cartridge, if possible. If the error 
persists, then replace the toner level sensor. See 
“Toner level sensor removal” on page 4-77. 929.01 No home window
929.02 No sensor transition (closed)
929.03 No sensor transition (open)
Printhead service errors
930.xx Wrong printhead installed Replace the printhead. See “Printhead service 
check” on page 2-43.
931.xx No first...

Diagnostics information 2-21
7013-XXX
954.xx NVRAM chip failure with system part. Replace the controller board. See “Controller 
board service check” on page 2-26.
955.xx The code ROM or NAND flash failed the Cyclic 
Redundancy Check or the NAND experienced an 
uncorrectible multi-bit failure.
956.00 RIP card failure: processor failure
956.01 Processor overtemp
957.xx RIP card failure: ASIC failure
958.xx Printer has performed more than 100 “shift and reflash” 
operations as a result of ECC bit...

2-22  Service Manual 7013-XXX
978.xx Bad checksum while programming network port Call the next level of support.
979.xx Flash parts failed while programing network port
Other errors
980.xx Engine experiencing unreliable communication with the 
specified deviceCall the next level of support.
981.xx Engine protocol violation detected by the specified 
device
982.xx Communications error detected by the specified device
983.xx Invalid command received by the specified device
984.xx Invalid command parameter...

Diagnostics information 2-23
7013-XXX
Symptom tables
POST symptom table
Note: Investigate any displayed codes before proceeding with these symptoms. For example, a missing toner cartridge will 
prevent POST from completing.
SymptomAction
The main motor, cooling fan, and fuser do not come 
on.See “Cover interlock switch service check” on page 2-27. 
POST completes, but the LCD does not come on.See “Operator panel service check” on page 2-31.
Main motor does not come on.See “Main motor service check” on...

2-24  Service Manual 7013-XXX
Printer symptom table
SymptomAction
Fan noisy or fan not working.See “Cooling fan service check” on page 2-27.
Fuser parts melted.See “LVPS/HVPS service check” on page 2-29.
Toner not fused to the media.See“Fuser service check” on page 2-29 or “Solving print quality problems” on page 2-40.
Paper jams.See “Paper feed service checks” on page 2-31.
Main motor noisy or not moving.See “Main motor service check” on page 2-30.
Media skew.See “Paper feed service checks” on page...

Diagnostics information 2-25
7013-XXX
Scan/fax /copy symptom table
SymptomAction
840.xx scanner errorSee “840.xx service check” on page 2-44.
ADF will not duplex (Duplex ADF only)See “ADF Duplex service check” on page 2-51.
ADF skewSee “ADF feed errors service check” on page 2-50.
Multiple pages feed into ADF
Documents wont feed into ADF
Scanner makes buzzing noise on startup or 
during a scan.See “Flatbed home position service check” on page 2-47.
Document feeds, but jams in ADF.See “ADF paper jam...

2-26  Service Manual 7013-XXX
Service checks
Service checks which involve measuring voltages on the LVPS/HVPS (low voltage power supply/
high voltage power supply board) should be performed with the printer positioned on its back side. 
Note:  When making voltage readings, always use frame ground unless another ground is 
specified. See the wiring diagram in the back of the book for more information. 
Controller board service check 
Controller board service check 
FRUAction
Controller board 
assembly...