Printronix p300 Maintenance Manual page 110

FROM SHEET 1
A
Paper goes
to top of form and
there is no check
condition
?
Clean PMD sensor
YES
B
Press TOP OF FORM
GO TO SHEET 3
switch and check for
4–4
NO
per para 3–4.
symptom.
NO
Symptom
gone
?
YES
B
GO TO SHEET 3
Figure 4–1. Confidence Check (2 of 4)
Replace logic A PCBA
per para 5–44.
Press TOP OF FORM
switch and check for
symptom.
NO
Symptom
gone
?
YES
B
GO TO SHEET 3
P300/P600 Troubleshooting
Install original logic A
PCBA per para 5–44.
Replace logic B PCBA
per para 5–44.
Press TOP OF FORM
switch and check for
symptom.
C
GO TO SHEET 3