Printronix P9012, Руководство по обслуживанию

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4–6 Troubleshooting
HAMMER DR PCB X *
Instruction Indication Yes No
1. Set power switch to O (OFF).
Wait 5 seconds. Set power
switch to 1 (ON). HAMMER DR PCB X *
message. Step 2. Return printer to
normal operation.
2. Press the CLEAR switch. HAMMER DR PCB X *
message. Step 3. Return printer to
normal operation.
3. Run a diagnostic self–test
(page 4–14). HAMMER DR PCB X *
message. Replace the
hammer driver
PCBA (page
6–74) and go to
step 4.
NOTE: X = PCBA
1, 2, or 3. #1
controls hammers
60–88; #2 controls
30–60; #3 controls
1–30.
Return printer to
normal operation.
4. Run a diagnostic self–test
(page 4–14). HAMMER DR PCB X *
message. Replace one at
time until the
message
disappears: power
supply PCBA
(page 6–74) or
shuttle assembly
(page 6–18). Return printer to
normal operation.
NOVRAM *
Instruction Indication Yes No
1. Set power switch to O (OFF).
Wait 5 seconds. Set power
switch to 1 (ON). NOVRAM * message. Step 2. Return printer to
normal operation.
2. Press the CLEAR switch. NOVRAM * message. Step 3. Return printer to
normal operation.
3. Cycle power. NOVRAM * message. Replace the
non–volatile RAM
chip on the DCU
PCBA. Return printer to
normal operation.