Action Yes No
Step 3
Replace the current control panel assembly with the original
control panel assembly. Go to
“Control panel assembly removal”
on page 315.
Does the error remain?
Go to step 5. The problem is
solved.
Step 4
Replace the current controller board assembly with the original
controller board assembly. Go to
“Controller board removal” on
page 299.
Does the problem continue?
Go to step 6. The problem is
solved.
Step 5
Replace the original control panel assembly with a new and not
previously installed control panel assembly.
Does the error continue?
Contact the next
level of support.
The problem is
solved.
Step 6
Replace the original control panel assembly with a new and not
previously installed control panel door assembly.
Does the error continue?
Contact the next
level of support.
The problem is
solved.
NVRAM cyclic redundancy service check
Action Yes No
POR the printer.
Does the error remain?
Contact the next
level of support.
The problem is
solved.
7015
Diagnostics and troubleshooting
172
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