4–9
Troubleshooting
PROGRAM PROM *
Instruction
Indication
Yes
No
1.
Set power switch to O (OFF).
Wait 5 seconds. Set power
switch to 1 (ON).
PROGRAM PROM *
message.
Step 2.
Return printer to
normal operation.
2.
Press the CLEAR switch.
PROGRAM PROM *
message.
Step 3.
Return printer to
normal operation.
3.
Run a diagnostic self–test
(page 4–14).
PROGRAM PROM *
message.
Replace the
program PROM
chips on the DCU
PCBA.
Return printer to
normal operation.
RIBBON
Instruction
Indication
Yes
No
1.
Wind the ribbon by hand and
check for folds, tears, holes,
fraying.
Ribbon damaged.
Step 2.
If folded but
otherwise okay,
rewind and
reinstall the
ribbon.
2.
Install a new ribbon.
—
Step 3.
—
3.
Run a diagnostic self–test
(page 4–14).
RIBBON message.
Replace one at a
time until the
message
disappears: ribbon
control PCBA
(page 6–10),
mechanism driver,
or MCU PCBA
(page 6–72).
Return printer to
normal operation.
Содержание P9012
Страница 1: ...P N 132305 001 Rev E P9012 Multifunction Line Printer...
Страница 49: ...2 31 Principles of Operation Power Supply PCBAs 1 3 SHORT OPEN Figure 2 21 Power Supply PCBA...
Страница 53: ...2 35 Principles of Operation PAPER FEED MOTOR TRACTORS PAPER TRANSPORT Figure 2 26 Paper Feed Components...
Страница 58: ...2 40 Principles of Operation...
Страница 84: ...4 18 Troubleshooting...
Страница 107: ...5 23 Alignments and Adjustments 1 Screw 2 MPU Arm 1 2 Figure 5 9 Magnetic Pickup Phasing Adjustment...
Страница 118: ...5 34 Alignments and Adjustments...
Страница 203: ...6 85 Replacement Procedures This page intentionally left blank...
Страница 214: ...6 96 Replacement Procedures...
Страница 217: ...A 3 Power Paper Stacker Maintenance Printer Rear Power Paper Stacker Figure A 1 Power Paper Stacker...
Страница 236: ...A 22 Power Paper Stacker Maintenance...
Страница 246: ...D 2 Torque Table...
Страница 254: ...Index 6...
Страница 255: ......
Страница 256: ...132305 001 Rev E...