IBM 3 User Manual page 327

2: The Automatic Forms Thickness Adjustment (AFTA) setting for the paper
source you are using needs to be decreased. Paper must be loaded for this
adjustment to be effective.
Solution: See the procedure for adjusting the forms thickness setting
through the operator panel in Chapter 11, "Printer Adjustments".
3: Poor quality multiple-part forms.
Solution: Try new forms.
4: Bidirectional Adjustment needs to be made.
Solution: See the procedure for setting the bidirectional adjustment in
Chapter 18, "Using the Operator Print Tests".
5: Forms thickness exceeds IBM forms specifications.
Solution: Use forms that meet the IBM specifications stated in "Continuous
and Cut-sheet Forms Specifications" on page 283.
Problem: Missing dots or irregular characters
The ribbon is worn.
1:
Solution: Check the ribbon for wear; replace it if necessary.
The ribbon is twisted or folded.
2:
Solution: Straighten the ribbon.
3: The Automatic Forms Thickness Adjustment (AFTA) setting for the paper
source you are using needs to be changed. Paper must be loaded for this
adjustment to be effective.
Solution: See the procedure for adjusting the forms thickness setting
through the operator panel in Chapter 11, "Printer Adjustments".
4: The forms tractor is not seated correctly.
Solution: Check the forms tractor installation. See Chapter 17, "Setting Up
Forms Paths".
5: The printhead wire is damaged.
Solution: Call for service.
Problem: Ribbon smudging forms
The ribbon is twisted or folded.
1:
Solution: Try moving the printhead back and forth while turning the
ribbon advance knob. If the ribbon advance knob does not turn, replace the
ribbon. (See Removing the Ribbon Cartridge in Chapter 19, "Supplies,
Optional Features, and Maintenance".)
The Automatic Forms Thickness Adjustment (AFTA) setting for the paper
2:
source you are using needs to be increased. Paper must be loaded for this
adjustment to be effective.
Solution: See the procedure for adjusting the forms thickness setting
through the operator panel in Chapter 11, "Printer Adjustments".
3: The ribbon cartridge is defective.
Solution: Replace the ribbon cartridge. See Removing the Ribbon Cartridge
in Chapter 19, "Supplies, Optional Features, and Maintenance".
4: A new ribbon is over-inked.
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Chapter 20. Problems