Top–of–Form
does not
operate
Check tractor
gates for excessive
tension.
Tractors
ok
?
YES
Replace logic B PCBA
per para 5–44.
Operate printer
and check for
symptom.
Symptom
present
?
YES
Install original logic B
PCBA per para 5–44.
A
GO TO SHEET 2
Figure 4–31. Top–of–Form Does Not Operate (1 of 2)
P300/P600 Troubleshooting
NO
Replace tractor per
para 5–36.
Operate printer
and check for
symptom.
Symptom
present
?
YES
NO
Return to
Normal operation.
NO
Return to
Normal operation.
4–69
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