Actions Yes No
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
“Panel Test” on page 172.
Did all the pixels come on?
Go to step 2. Go to step 4.
Step 2
Turn the printer off.
Remove the rear cover. See
“Rear cover removal” on page 290.
Remove the operator panel. See
“Operator panel removal (for CS510
models only)” on page 259.
Is the operator panel cable properly installed at JLCD2 on the controller
board and the operator panel assembly?
Go to step 3. Reinstall the cable.
Step 3
Check the UICC card to display cable.
Is the display cable installed at the UICC card correctly?
Go to step 4. Reinstall the cable.
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Diagnostic information
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