Lexmark 6500 Series - Manual (Page 176)

3 Firmly grasp the paper, and gently pull it out.
4 Push down on the duplex latch as you reinstall the duplex unit.
5 Press .
6 On your computer, delete or stop the print job, and then try resending the print job again.
Duplex unit does not operate correctly
These are possible solutions. Try one or more of the following:
Check paper size and type
Check the paper size and type to make sure the paper is supported by the printer. If you are using automatic
duplexing, use only letter- or A4-size plain paper.
Check for paper jams
Check for and clear any paper jams. For more information, see “Paper jam in the duplex unit” on page 175.
Make sure the duplex unit is properly installed
Remove the duplex unit and reinstall it. For more information, see “Paper jam in the duplex unit” on page 175.
Memory card troubleshooting
Memory card cannot be inserted
These are possible solutions. Try one or more of the following:
Check memory card type
Make sure that the type of memory card you are using can be used in the printer.
Check memory card placement
Make sure you have inserted the memory card in the correct slot.
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