Problems Related To Print Quality (Part 002/2) - Fujitsu DL7600 Maintenance Manual

3.1.4 Problems related to print quality (part 002/2)

5 Printing is partly blank or the ribbon is out of place.
The ribbon is loose.
The ribbon is vertically misaligned.
The ribbon is twisted.
Symptom Cause
• The manual paper
thickness adjustment
dial is set improperly.
(Because the paper
thickness setting is too
narrow, the ribbon is
loosened.)
• The ribbon is loosened
on a locally thick
portion of paper.
• The ribbon is partly
twisted.
• Poor card guide
adjustment influenced
ribbon movement.
• The ribbon cartridge is
defective.
• The ribbon setting is
inadequate.
31
Response
• Adjust the manual paper
thickness adjustment dial
properly according to
paper thickness.
• Check the paper
specifications.
• Check whether the
ribbon is twisted.
• Adjust the card guide.
• Replace the ribbon
cartridge.
• Set the ribbon properly.