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Lexmark CX421

Troubleshooting 200.91 Paper Jam

Affected products

Click Properties in the title section above.

What you will see

The printer immediately registers a 200.91 error code upon startup or after clearing a previous jam.



Open both Door A (front door) and the 250-sheet tray (Tray 1).

2Clear any paper that is jammed or partially picked from the 250-sheet tray.

Close all covers including the tray. If the error code still appears, remove Tray 1 and make sure that it is not overloaded.

Tray fill mark indicator


If the tray is not overfilled, remove the 250-sheet tray and check the S2 sensor and make sure it is able to move freely.

S2 sensor location


Make sure that the S2 sensor is free from any obstruction.

S2 sensor blocked by paper

6Close all covers including the tray once more and check if the error persists.
7If the printer goes to a Ready state, perform another test print to verify if the issue is resolved.

Still need help?

If you need additional assistance, please close this browser tab or go to the Lexmark support site, type your printer model and locate

Get in Touch with Lexmark! for contact information.
When calling for support, you will need the following:

  • Affected printer model/'s
  • Printer serial number

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


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