Change Ribbon - Printronix P9012 Maintenance Manual

CHANGE RIBBON

Instruction
1. Check for fault message
when using the
RibbonMinder feature.
COOLING
Instruction
1. Check for inoperative blower
assembly, air flow sensor, or
MCU PCBA.
FONT PROM *
Instruction
1. Set power switch to O (OFF).
Wait 5 seconds. Set power
switch to 1 (ON).
2. Press the CLEAR switch.
3. Run a diagnostic self–test
(page 4–14).
Troubleshooting
Indication
CHANGE RIBBON
message.
Indication
COOLING message.
Indication
FONT PROM *
message.
FONT PROM *
message.
FONT PROM *
message.
Yes
Replace the
ribbon.
Yes
Replace one at a
time, in the
following order,
until the message
disappears:
mechanism driver,
MCU PCBA,
sensor, blower.
Yes
Step 2. Return printer to
normal operation.
Step 3. Return printer to
normal operation.
Replace all font Return printer to
PROM chips on normal operation.
the DCU PCBA.
No
—
No
—
No
4–5