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B2236 & MB2236 - Print Quality Diagnostic Tool

Document ID:SO8771

Usergroup :External
02/07/19 Properties  


Determining causation

First, identify if a specific function is triggering the print quality (PQ) issue.

 If PQ issues occur with... Then...

ALL job-types

e.g., PC print job, Copy and Fax

Continue to Instructions below.

Scanning/Copying only

Print a demo page for additional confirmation. To do this, navigate to Menu > Reports > Print Demo using the navigational buttons on the printer.

Does the demo page reveal the same print defect?

If no, then consider the following additional troubleshooting resources.

  • Click here for general scanner-related diagnostic information. 

If yes, continue to Instructions below.

PC print jobs only

Print a demo page for additional confirmation.

These issues are often fixed using a combination of app, driver, and printer setting adjustments.

If no, perform a separate search within Knowledgebase or contact Lexmark Technical Support for additional assistance.

If yes, continue to Instructions below.



  1. Download and print the print quality test page (PQTP).

PQTP – 8.5 × 11" (Letter)

PQTP – 210mm × 297mm (A4)


  1. Using the PQTP Comparison table below,  identify the sample number (#) and description that best matches your print sample.  

    If... Then... And...
    Your sample matches any of those in blue... Likely a new Imaging Unit is required.

    You can order this item from any vendor that sells Lexmark supplies.

    Your sample matches any other #'d sample... Click on the image to see if an article exists that contains additional diagnostic information... Follow the suggestions in the affiliated article.

  2. Contact Lexmark Technical Support and provide the agent with this article's ID# SO8771, and the sample number (#)  that most closely resembles your print quality test page. 

Sample of an ideal printout

 PQTP comparison table and article links

1. Images Are Quite Dark when Printed in
the 1200 Image Quality Setting
2. Random Marks and Dots on Printed Page  3. Toner Background Issue During
Printer Cold Start




4. Light Spots on the Printout 5. Repeating White Voids at the
Edge of the Printout
6. White Gapping Issue After
Printing a Document




7. Images Printed Appears Patchy / Spotty 8. Repeating Horizontal Black and White
Lines on the Printed Page
9. Horizontal Band Near Leading
Edge of the Page




10. Watermark Is Printed with Crosshatches 11. Some Characters of the Watermark
Comes Out Dark When Printed
12. Blotchy or Spotty Printouts in
Less Humid Environments




13. Light Horizontal Bands (Jitter)
Appearing on the Printout
14. Dark Vertical Streaks Appear on Printouts 15. Toner Smear at the Bottom Edge of Paper




16. Possible Marks or Spots on the Printout After Clearing a Paper Jam 17. Continuous Line on Graphs or Images Appear as Dashed line 18.




Scan/Copy quality issues comparison table and article links

1. 2. 3.




4. 5. 6.




Contacting Lexmark

If you need additional assistance, please go to the Lexmark support site, type your printer model and locate Get in Touch with Lexmark! for contact information. NOTE: When calling for support, you will need the following:

  • Printer model
  • Printer serial number
  • Toner/imaging unit/waste toner bottle part number and serial number.

Please be near the product/s described in this article to expedite the support process and reduce callbacks.



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