Lexmark 4I3 - Manual (Page 275)

Problem: Ribbon smudging forms
1: The Automatic Forms Thickness Adjustment (AFTA) setting
needs to be changed.
Solution: See the procedure for adjusting the forms thickness
setting through the operator panel (based on your forms device)
in Chapter 1, “Setting Up the 4230 Printer.”
2: The ribbon cartridge is defective.
Solution: Replace the ribbon cartridge. See Chapter 4,
“Replacing Your Ribbon.”
3: The ribbon is twisted.
Solution: Remove the ribbon, straighten it, and reinstall it (see
Chapter 4, “Replacing Your Ribbon”).
4: The ribbon is over-inked.
Solution: Replace the ribbon. See Chapter 4, “Replacing Your
Ribbon.”
Problem: Printing is too light or partial characters print
1: The Automatic Forms Thickness Adjustment (AFTA) setting
needs to be changed.
Solution: See the procedure for adjusting the forms thickness
setting through the operator panel (based on your forms device)
in Chapter 1, “Setting Up the 4230 Printer.”
2: The ribbon guide is seated incorrectly.
Solution: Press down on the ribbon guide. See Chapter 4,
“Replacing Your Ribbon.”
3: The print head is defective.
Solution: Do the printer tests. If there is still a problem, call for
service.
Appendix B. Problems B-45