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