Table of Contents
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4079-00X
FRU
4
• Timing Slit
• White Ribbon
• Brown Rib-
bon
• Carriage
Board
• Logic Board
5
• Eject Roller
• Pinch Roller
Action
Be sure the carriage is unobstructed and moves
freely.
Be sure the printer is not picking up vibrations from
the environment. Move the printer to a different loca-
tion if necessary.
Check the timing slit for damage, dirt, and folds.
Replace the timing slit if necessary. If the timing slit
is all right, replace the following FRUs in sequence.
Check the printer after each replacement.
1. Carriage Board
2. Logic Board
If you replace the logic board, go to the
Adjustment Mode" on page 4-4
position adjustment, and the direction offset adjust-
ment.
Check for foreign objects in the paper path. Also
check the rollers for wear or damage. If the paper-
feed rollers do not turn, go to the
Service Check" on page
"Service
and perform the print
"Paperfeed Motor
2-38.
Diagnostic Information
2-35
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