Lexmark CS310 Service Manual page 132

Actions
Step 1
Turn the printer off.
Remove the rear cover. See
Remove the operator panel. See
models only)" on page 254.
Is the operator panel assembly cable properly installed at JOP1 on the
controller board and the operator panel assembly?
Step 2
Replace the operator panel assembly. See
CS310 models only)" on page
Is the operator panel still blank?
For CS410 models:
"Rear cover removal" on page
"Operator panel removal (for CS310
"Operator panel removal (for
254.
Diagnostic information
Yes
Go to step 2.
290.
Replace the controller
board. See
board removal" on
page 291.
132
No
Reinstall the cable.
Problem resolved.
"Controller
5027