Operator Panel (One Or More Operator Panel Buttons Fail) Service Check - Lexmark CX310 Service Manual

Actions
Step 2
Replace the operator panel assembly. See
CX310 and CX410 models only)" on page
Is the operator panel still blank?
For CX510 models:
Actions
Step 1
Turn the printer off.
Remove the rear cover. See
Remove the operator panel. See
CX410 models only)" on page
Is the operator panel assembly cable properly installed at JLCD1 on the
controller board and the operator panel assembly?
Note: JCDL1 is the ribbon cable connector on the right side facing the
controller board.
Step 2
Replace the UICC card to display cable.
Is the display cable installed at the UICC card correctly?
Step 3
Replace the display. See "Operator panel removal (for CX510 models
only)" on page 283.
Is the operator panel still blank?
Step 4
Replace the UICC card. See
only)" on page 283.
Is the operator panel still blank?

Operator panel (one or more operator panel buttons fail) service check

Replace one of the following components, and perform a POR before replacing a second component. Never replace
both of the components without performing a POR after installing each one, or the printer will be rendered inoperable.
For CX310 models:
•
Controller board
•
Operator panel with UICC card
"Operator panel removal (for
276.
"Rear cover removal" on page
"Operator panel removal (for CX310 and
276.
"Operator panel removal (for CX510 models
Diagnostic information
Yes
Replace the controller
board. See
board removal" on
page 309.
Yes
Go to step 2.
307.
Go to step 3.
Go to step 4.
Replace the controller
board. See
board removal" on
page 309.
134
No
Problem resolved.
"Controller
No
Reinstall the cable.
Reinstall the cable.
Problem resolved.
Problem resolved.
"Controller
7527