Garbled Letters And/Or Wrong Font - Printronix p300 Maintenance Manual

Garbled letters and/or
character PROM
on logic A PCBA.
Print out and
check for symptom.
YES
Install original
character PROM on
logic A PCBA.
Replace logic A
PCBA per para 5–44.
Print out and
check for symptom.
YES
Install original logic A
PCBA per para 5–44.
GO TO SHEET 2
Figure 4–27. Garbled Letters and/or Wrong Font (1 of 2)
P300/P600 Troubleshooting
wrong font.
Replace
Symptom
NO
present
?
Symptom
NO
present.
?
A
Return to
Normal operation.
Return to
Normal operation.
4–55