NO DISPLAY
Instruction
1.
Remove the right side panel
(page 6–4).
2.
Inspect control panel ribbon
cable connector on card cage
logic backplane PCBA for
bent or broken pins.
3.
Power up printer and check
display and card cage fan
operation.
4.
Power up printer and check
display.
4–12
Indication
—
Pins are damaged.
Display comes on.
Display comes on.
Yes
Step 2.
Straighten bent
Step 3.
pins on card cage
logic backplane
PCBA. If broken,
replace card cage
logic backplane
PCBA (page
6–94).
Resume printing.
Replace one at a
time: power
supply PCBAs
(page 6–74),
mechanism driver
PCBA (page
6–72). Test printer
operation.
Resume printing.
Replace the
control panel
assembly (page
6–6). Test printer
operation.
Troubleshooting
No
—