Question about Lexmark E450dn Laser Printer

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I have a Lexmark E450dn displaying a "935.15 Service Printhead" error message and will not print. Seeing as Laser Printers do not have printheads, instead they have Scanners and Fusers, which should I be looking at. It prints about 150 to 175 pages then displays this message. I have greased the the inside of the Fuser Sleeve and noted that when it did print the toner stuck to the page so the Fuser was getting hot enough. This leaves the scanner and I guess what I amasking is how do you service the printhead "Scanner"

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A 935 printhead error is a fatal error which means the scanner motor has failed to initialize. the term printhead is short for printhead scanner. this error can be caused by either the engine board or the scanner % wise 40%engine board 60% scanner ive done 120 repairs on lexmark laser for the last 7 years trust me one of these is the problem

Posted on Nov 16, 2009

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Lexmark E450dn Base & Engine code Authorization codes to download:

Base code: lmszp113
Engine code: lmsze105

Posted on Feb 04, 2010

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I hope this helps!


A 200.04, 200.29 or 200.39 paper jam message can occur when the printer is in a hot environment, when it prints large jobs in duplex mode, during extended start/stop printing, and in other stress-induced print scenarios. These errors can also be followed by a printhead error, most likely a 935.xx error.

Repair Action
The latest printer engine code (E105) fixes this error condition and optimizes the printhead steady state control. To fix this error condition and keep it from occurring again, please download the latest printer engine code.
Click here for instructions on how to check your engine code.
Click here for instructions on how to download/upgrade the engine code.
If the problem persists, the printhead needs to be replaced. Contact Lexmark Technical Support to request service.

Posted on Jun 17, 2009

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1 Answer

Lexmark e450dn 935.15 service printhead error

935.10 error usually means dirty lens only. clean the lens with lint free cloth. do not use compressed air as it will force toner into the printhead assembly.

Apr 22, 2014 | Lexmark E450dn Laser Printer

1 Answer

935.15 service printhead error

This means the mirrormotor is not working correctly or is defective.
Sometimes cleaning the printhead and mirrormotor helps. Mostly you have to exchange the printhead. This has to be done by an experianced mechanic.

Jul 02, 2012 | Lexmark E450dn Laser Printer

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Error 935,10 service printhead error. e450dn

The printhead is the laser, tou have an error in the laser assembly (replace the laser assy).

Feb 23, 2011 | Lexmark E450dn Laser Printer

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It keeps reading 935.10 service printhead in the display screen. I would like to know how to repair this issue.

Turn off printer and turn back on after 30 seconds to give it a chance to reset. Make sure the printer is plugged in straight to the power outlet in the wall. Bypass any surge devices or power strips, even if the printer previously worked correctly with these, as they can cause low amperage problem which can trigger a false printhead error. You can also try to plug the printer to another known working power outlet just to eliminate the power source as a possible cause of the issue. If error continues, printer may require service. Contact Lexmark technical support or an authorized service provider for further assistance.

Sep 14, 2010 | Lexmark E450dn Laser Printer

1 Answer

Error 935.1 service print heat

That code is saying that you may have a problem with the Printhead/ laser Unit 40X2803.

Not too hard to replace

Item, Inc.

Aug 13, 2010 | Lexmark E450dn Laser Printer

1 Answer

It will not print and is reading 935.15 Service Printhead Error what do i need to do to fix this?

Here's an article in the Lexmark website on A Printhead Error Is Appearing on a Lexmark E250d(n), E350d, E352dn, or E450dn Printer. Just click on this link: If all else fails, it may require service. I would also suggest you replace the power supply.

Jun 20, 2010 | Lexmark E450dn Laser Printer

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Error 935.15 Service Printhead error

hope this link will help u
and dont forget to rank me

Jun 09, 2010 | Lexmark E450dn Laser Printer

1 Answer


This is a laser unit problem, probably being caused by the laser scanner motor being slow to spin up to speed, or having failed completely.

Replacement of the laser unit is the first thing to try here.

Jun 23, 2009 | Lexmark E450dn Laser Printer

1 Answer

Service Printhead Error

this problem come whene printer fuser chamber have faulty ,
fist of all do service of fuser and check
after than change pressure roler and teflone slive if problem not solve

Apr 22, 2009 | Lexmark E450dn Laser Printer

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