Printronix p300 Maintenance Manual page 139

FROM SHEET 4
YES
Replace logic A
PCBA per para 5–44.
Print out and check
for symptom.
YES
Install original logic A
PCBA per para 5–44.
Replace logic B
PCBA per para 5–44.
Print out and check
for symptom.
YES
Install original logic B
PCBA per para 5–44.
P300/P600 Troubleshooting
D
NO
Coil
ok
?
NO
Symptom
present
?
NO
Symptom
present Normal operation
?
Figure 4–14. Missing Dots (5 of 6)
Replace or reposition
coil per para 5–26.
Print out and check
for symptom.
YES
Symptom
present
?
NO
Return to
Normal operation
Return to
E
GO TO SHEET 6
4–33