Support article for Lexmark T640
What you will see
The printer is displaying a Check Duplex paper jam message. The accompanying numeric error code will be in the range between 230 and 239.
What the error means
A sheet of paper or other print media has jammed in the duplex option.
Clearing the paper jam
Select Show areas on the printer's operator panel to view images that will help you locate the jam. If you cannot locate the jam this way, or the Paper Jam message does not clear after removing the jammed page, follow the directions below.
NOTE: The images in the table below show the Lexmark T640/642/644 model. However, these directions will apply to the X642, X644 and X646 models as well.
Step | Action | Image |
1 | Open the duplex tray and look into the duplex unit. Remove any jammed paper or other obstructions you find. | ![]() For a larger image, click here. |
2 | Open the duplex rear door. | ![]() For a larger image, click here. |
3 | Remove any jammed paper or other obstructions you find here. Depending on the location of the jammed page, carefully pull the page either up or down when removing it. | ![]() For larger images, click here. |
4 | Close the duplex rear door and reinsert the duplex tray. IMPORTANT! Make sure the duplex rear door snaps into place and is completelyclosed. If the rear door is not completely closed, it can cause the paper to jam. | |
5 | If this print job consisted of more than one page, there are probably other pages stuck elsewhere in the printer.
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6 | Once the entire paper path is clear, close all doors and covers. Press the check button or Continue to continue printing. |
If the jamming continues
If the paper jams continue to occur, try the following suggestions:
LEGACY ID: SO4124
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