IBM 4247 A00 User Manual page 170

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Problem: Missing dots or irregular characters
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Problem: Ribbon smudging forms
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4247 Printer Model A00 User's Guide
The Automatic Forms Thickness Adjustment (AFTA) setting needs to be
decreased.
Solution: See the procedure for adjusting the forms thickness setting
through the operator panel under "Automatic Forms Thickness (AFTA)" on
page 111.
Poor quality multiple-part forms.
Solution: Try new forms.
The ribbon is worn.
Solution: Check the ribbon for wear; replace it if necessary. See "Changing
Ribbon Cartridge" on page 133.
The ribbon is twisted or folded.
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 "Changing Ribbon Cartridge" on page 133.
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 under "Automatic Forms Thickness (AFTA)" on
page 111.
The forms tractor is not seated correctly.
Solution: Check the forms tractor installation. See "Loading Forms into
Front Push Forms Path" on page 20 or the appropriate section in Chapter 3.
Setting Up Another Forms Path.
The ribbon is twisted or folded.
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 "Changing Ribbon Cartridge" on page 133.
The Automatic Forms Thickness Adjustment (AFTA) setting needs to be
increased.
Solution: See the procedure for adjusting the forms thickness setting
through the operator panel under "Automatic Forms Thickness (AFTA)" on
page 111.
The ribbon cartridge is defective.