Printronix p300 Maintenance Manual page 146

FROM SHEET 1
A
Replace character PROM
on logic A PCBA.
Print out and check for
symptom.
Symptom
present
?
YES
Install original character
PROM on logic A PCBA.
Replace logic A
PCBA per para 5–44.
Print out and check
for symptom.
Symptom
present
?
YES
Install original logic A
PCBA per para 5–44.
B
GO TO SHEET 3
4–40
NO
Return to
Normal operation
NO
Return to
Normal operation
Figure 4–18. Misplaced Dots (2 of 4)
P300/P600 Troubleshooting