Lexmark C772 User Manual

Page of 112
Solving option problems
92
Troubleshooting
Solving high capacity feeder problems
Problem
Solution
The paper tray does not raise when the 
loading door is closed, or the paper tray does 
not lower when the door is opened and the 
paper tray button is pushed.
Check the following:
• The printer is properly attached to the high capacity feeder.
• The printer is powered on.
• The power cord is plugged firmly into the back of the high capacity 
feeder.
• The power cord is plugged into an outlet.
• The outlet has power.
The paper tray lowers unexpectedly.
Check to see if your printer is out of paper or has a jam.
More than one sheet of paper is fed or a sheet 
is fed improperly.
Remove the paper in the printer paper path, and check the stack to 
ensure the paper has been loaded properly. Be sure to remove the top 
and bottom sheets of each ream of paper that is loaded.
A jam occurs.
Rubber feed rollers do not turn to advance 
paper.
Check the following:
• The power cord is plugged firmly into the back of the high capacity 
feeder.
• The power cord is plugged into an outlet.
• The outlet has power.
Consistent misfeeds or jams in the feeder.
Try the following:
• Flex the paper.
• Turn the print media over.
Check the following:
• Feeder is properly installed.
• Paper is loaded correctly.
• Paper is not damaged.
• Paper meets specifications.
• Guides are positioned correctly for the paper size selected.
Service messages 
A service message indicates printer failure that may require service. 
Turn the printer off, wait about 10 seconds, and then turn the printer on.
If the error recurs, write down the error number, the problem, and a 
detailed description. Call 1-800-LEXMARK for service.