Lexmark CX310 Service Manual page 129

For CX310 models:
•
Controller board
•
Operator panel with UICC card
For CX410 and CX510 models:
•
Controller board
• UICC card
Warning—Potential Damage: Never install and remove components listed above as a method of troubleshooting
components. Once a component has been installed in a printer, and the printer is powered on, it cannot be used in
another printer. It must be returned to the manufacturer.
For CX310 and CX410 models:
Actions
Step 1
Enter the Diagnostics Menu (turn the printer off, press and hold 3 and 6,
turn the printer on, and then release the buttons when the installed
memory and processor speed displays).
Perform the Panel Test. See
Did all the pixels come on?
Step 2
Turn the printer off.
Remove the rear cover. See
Remove the operator panel. See
CX410 models only)" on page
Is the operator panel cable properly installed at JLCD1 on the controller
board and the operator panel assembly?
Note: JLCD1 is the ribbon cable connector on the right side facing the
controller board.
"Panel Test" on page 199.
"Rear cover removal" on page
"Operator panel removal (for CX310 and
276.
Diagnostic information
Yes
Go to step 2.
Go to step 3.
CX310
307.
CX410
129
7527
No
Replace the operator
panel. See "Operator
panel removal (for
CX310 and CX410
models only)" on
page 276.
Reinstall the cable.