Action Yes No
Step 1
Check if the control panel was recently replaced.
Was the control panel recently replaced?
Go to step 2. Go to step 4.
Step 2
Replace the current control panel with the original control panel.
See
“Control panel display assembly removal” on page 255.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Replace the original control panel with a new control panel.
Note: Make sure that the new control panel is not previously
installed from another printer.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Step 4
Check if the controller board was recently replaced.
Was the controller board recently replaced?
Go to step 5. Contact the next
level of support.
Step 5
Replace the current controller board with the original controller
board. See
“Controller board removal” on page 244.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Replace the original controller board with a new controller board.
Note: Make sure that the new controller board is not previously
installed from another printer.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
7018
Diagnostics and troubleshooting
161
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