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994 service engine error


Im working on a Lexmark C510 printer. The first error was the main motor assy unit, gear was damaged, i change it.
Now i am having a 994 service engine error. I change the engine board, controller board, the photo d and the sensor. The error still happens. The 2 main motors work for like a few seconds and then just cuts off.

Tell me what i can do

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Posted on Feb 10, 2010

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Dont spend any more money on it!

You can replace it quicker and cheaoer than any further repairs. Time to bury it with dignity

Posted on Jul 27, 2009


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1 Answer

Lexmark C510 994 service

If you are getting this error message, there is a need to replace the following:
Marker sensor - 56P1684Engine Board - 56P1639 I/O board - 56P1617LVPS - 56P1641


Nov 28, 2011 | Lexmark C510 Laser Printer

1 Answer

Lexmark C510 can not print and display with 994 service engine error. How to solve this problem. Thank you very much

Please click on the link to see instruction on how to go about the procedure.

For further assistance, please contact Lexmark Technical Support.

Jun 08, 2011 | Lexmark C510 Laser Printer

1 Answer

Printer is not printing - keeps showing 994 service engine error - pls help

Please click on the link see instruction on how to go about the procedure. For further assistance, please contact LexmarkTechnical Support.

May 26, 2011 | Lexmark C510 Laser Printer

1 Answer

My lexmark c510 has the following message - 994 engine service error

Remove photodeveloper cartridge and observe markers on side. Clean these markers and try again

Mar 08, 2011 | Lexmark C510 Laser Printer

1 Answer

Lexmark C510 Code error: 995 Service Engine Error

The error 995 refers to a problem with the High Voltage Power Supply. This could mean three things one is that the Photodeveloper cartridge is damaged and needs to be replaced. The second one could be a problem with the High Volt Power Supply not providing enough charge to the Photodev. The third thing could be that the Engine Board is damaged causing the error in the display. You can try to reset the Photodev by pulling it out and the seating it back in the printer.

Jan 08, 2010 | Lexmark C510 Laser Printer

2 Answers

C510 printer displays "994 Service Engine Error". How do you address this?

From a previous post: Posted by waynechurch on Apr 24, 2009 Is this error on a C510?, because the manual lists 994 as OPC belt marker sensor error.

Normally with an engine service error i reflash the engine firmware first, if that doesn't cure the fault i would then replace the engine board. If you need the firmware, visit the Lexmark site get the contact phone number for your region and ring them. They're normally quite helpful and of coarse can tell you how to reflash it.

Sep 25, 2009 | Lexmark C510 Laser Printer

1 Answer

I have a Lexmark C510 which display a 910 service engine motor. Can you tell me what motor this is?

910—Developer motor service check
Step Questions / actions Yes No
1 Are there any unusual
noises heard around
developer motor or
developer drive assembly
before error posts?
Replace toner
Does problem go away? Problem solved.
If not Replace
developer motor
and/or developer
drive assembly.
Partnr developer motor:
Partnr Drive assy: 56P1628

Jul 15, 2009 | Lexmark C510 Laser Printer

1 Answer

C510 printer displays "994 Service Engine Error". How do you addr

Here you go, courtsey of Lexmark's Knowlwdgebase.



994 Service Engine Error on a Lexmark C510 ID: ENUS21233 If your printer is unable to move the photodeveloper belt to the correct position during printing, a 994 error will occur. However, it may simply be the case that the photodeveloper is either contaminated with excess toner or improperly installed. To test for and resolve this issue, please do the following:

  1. Power the printer off and remove the photodeveloper cartridge.
  2. Rotate the green metallic photodeveloper belt by manually turning the white drive gear on the bottom of the cartridge until the black positioning markers are visible.
  3. If necessary, carefully wipe any excess toner powder from the positioning markers using a soft, lint-free cloth or tissue.
  4. While the top cover of the printer is still open, inspect the sensor that is used to locate the positioning markers on the belt. CAUTION! The photodeveloper is very sensitive to light. Cover the green metallic surface of the photodeveloper with a piece of paper while it is outside the printer.
    • Refer to this image, this image, and this image to identify the location of the sensor.
    • Verify that the sensor has not come loose from its housing and that it is not contaminated with excess toner powder. If necessary, clean the sensor with a soft, lint-free cloth or tissue.
  5. Re-install the photodeveloper cartridge and power the printer back on.
  6. If the error remains, it is likely that a service call will be necessary to resolve this issue. Please contact Lexmark Technical Support, having first obtained the serial number of your printer. NOTE: If practicable, attempt to order another photodeveloper and replace it first to avoid the inconvenience of a potentially unnecessary service call.

Jun 22, 2009 | Lexmark C510n Laser Printer

3 Answers

Lexmark C510 Code error: 995 Service Engine Error

Lexmark C510 Code error: 995 Service Engine Error

May 06, 2008 | Lexmark C510 Laser Printer

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