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Lexmark MS421

Lexmark MS421

Lexmark MS/MXx2x | Close Front Door Message Appears on Printer Display

Affected Products:

Single-Function: B2338, B2442, B2546, B2650, MS321, MS421, MS52, MS621, MS622, M1242, M1246, M3250

Multifunction: MB2338, MB2442, MB2546, MB2650, MX321, MX421, MX521, MX522, MX622, XM1242, XM1246, XM3250

Issue Description:

After powering the printer On or while trying to send a print job, a "Close front door" message appears on the printer display.

This happens even when the printer front door is closed.


  1. Open the printer front door and then close it back properly.

  2. Power off the printer for a few minutes and power it back on.

Still Need Help?

Have the following available when calling Lexmark Technical Support;

  • Printer model(s)

  • Printer serial number


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