Lexmark CS310 Service Manual page 129

Actions
Step 1
Turn the printer off.
Remove the rear cover. See
Remove the operator panel. See
models only)" on page 256.
Is the operator panel cable properly installed at JLCD2 on the controller
board and the operator panel assembly?
Step 2
Replace the UICC card with display. See
CS410 models only)" on page
Does the operator panel display all diamonds?
For CS510 models:
"Rear cover removal" on page
"Operator panel removal (for CS410
"Operator panel removal (for
256.
Diagnostic information
Yes
Go to step 2.
290.
Replace the controller
board. See
board removal" on
page 291.
129
No
Reinstall the cable.
Problem resolved.
"Controller
5027