29.40, 29.41, 29.42, 29.43, or 29.49 Error Code / Unable to Fully Close the Front Door on the Lexmark CS/CX33x &notEntity MC/C3xxx Products

Single-Function: CS331, CS431, C3224, C3326

Multifunction: CX331, CX431, MC3224, MC3326, MC3426, MC3224i, MC3326i, MC3426i and XC2326

The Printer is displaying or showing one of the following symptoms:

• Error Code 29.40, 29.41, 29.42, 29.43, or 29.49 - even if the packaging material for the toner cartridges has been removed.
• There is some difficulty when closing the Front Cover of the printer.

1. Power the printer Off.



2. Open the front door and pull out the print cartridge tray.



3. Remove each of the toner cartridges and check for any packaging material that may be left in the printer.
   Note: Please refer to KB article Lexmark CX/CSx31, MC/C3xxx and XC/C2326: An Error Occurs when the Packaging Materials Are Still Installed on the Lexmark Printer for the removal of packaging materials in the printer.



4. Place each of the toner cartridges back and close the front door. Note: If there is difficulty closing the front door, please refer to the Still Need Help? section of this document.



5. Power the printer On and check if the issue persists.

Have the following available when calling Lexmark Technical Support;

• Lexmark CX/CSx31, MC/C3xxx and XC/C2326: Where Can I Find the Serial Number, TLI and Model Number of the Printer
• Lexmark CX/CSx31, MC/C3xxx and XC/C2326: Where Can I Find the Serial Number, TLI and Model Number of the Printer

LEGACY ID: SO8870