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Lexmark CS92x, CX92x and XC9225 – Fuser Smudge Seen on the Printouts

Document ID:SO8396

Usergroup :External
  Languages  
08/22/17 Properties  

Environment

This document is applicable to the following Lexmark printer models:

  • Single function: CS921, CS923, CS927 and C9235
     
  • Multi function: CX920, CX921, CX922, CX923, CX924, CX927XC9225, XC9235, XC9245, XC9255 and XC9265

Solution


  

Audience: 'Lexmark and Partners' only

Index

 

 


  

Overview


Toner contamination to the Fuser detack causes a smudge in the middle of the page.

 

 


   

Print samples


The smudge appears as a black streak on the printouts. This will appear to about 30 to 50 pages.

 

 

 Go to Index

 


 

Recommended service action

  
Perform these steps below to fix the issue:


Step Action Yes No

1


Examine the fuser and clean to remove toner collection on the detack. In the sample images below, the fuser detacks are encircled in red.

Note: Run test page after cleaning to verify lines are gone. This will drop off by itself as well in less than 100 pages approximately.

 

Did this resolve the issue?

 

Issue resolved See Step 2.

2


Clean the laser lens with the laser lens cleaner. See Cleaning printhead lens for the steps.

 

Did this resolve the issue?

 

Issue resolved See Step 3.

3


Remove the Waste Toner Bottle (WTB) and check whether it is already full. If not, try to shake it for good measure in order to prevent clogging. Perform the following recommendations:

  • Give the WTB a shake to avoid the toner from building up.
     
  • Make sure the printer is running in an environment that has a temperature below 86 °F (30 °C).
     
  • Change the WTB, if it is already full.

Note: Replace the WTB even if it is not yet full and the toner build up issue is already present.



Did this resolve the issue?

 

Issue resolved See Additional information.

 

If necessary, refer to the Service Manual (CS92X/CX92x) or Lexmark Mobile Tech for more detailed diagnostic information, as well as for FRU removal procedures.

 

 

 Go to Index 

 


 

Cleaning the printhead lens

This procedure will guide you on how to clean the printhead lens.
 

Step Action Image
1

Open the printer's front door. Remove the waste toner bottle.

Note: Change the waste toner bottle should it be already full. If not, remove it from the printer and try to shake it.

 
2 Using the printhead wiper, clean the printhead lens.  
3

 

Insert the wiper back into place.

 

4 Insert the waste toner bottle, and then close the door.

 

 

Back to Recommended service action

 Go to Index

 


   

Service parts


IMPORTANT! The part number listed is correct as of June 2017. Please check​ the updated part number at the Lexmark part store before ordering.

 

Printer Model Part number Description Removal Procedure

All models stated in the above Environment section

(CRU) 54G0W00 Waste toner bottle  Waste toner bottle removal

 

 

Back to Recommended service action

 Go to Index

 


Additional Information


If you have any questions or encounter problems when performing the steps above, please contact your next level of support (L2 or L3) or Lexmark Technical Support for additional troubleshooting. Please be prepared to describe the problem you are experiencing, the error message on the display, and the troubleshooting steps you performed. Please call from near the printer in case the technician asks you to perform a task involving the printer.

 

 


 



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