Lexmark 4I3 - Manual (Page 268)

Problem List
Warning: When using a Continuous Forms (F1) Device, never pull
or unload forms in the downward direction, or you may damage the
device. Always unload forms from the top of the printer.
Causes are listed for each problem in order of priority.
Problem: Forms do not advance or overprint occurs
1: The forms device is defective.
Solution: Inspect the forms device (see “Forms Device
Inspection” on page B-35).
2: The forms device is not snapped in.
Solution: Check the installation of the forms device.
3: The ribbon is getting caught on a form.
Solution: Check the ribbon for twists or folds.
4: The printer is failing.
Solution: Turn the power Off (O), wait 10 seconds, and turn the
power On (|). If you get a status code, go to “Status Codes” on
page B-3. If no code displays, press Micro several times. If
forms do not feed each time you press Micro , call for service.
Problem: Overprint occurs at top or bottom line of page
1: There is a problem with the application program.
Solution: See your programmer.
B-38 User’s Guide