Action Yes No
Step 3
a Enter the diagnostic mode.
b Select Base sensor test.
c Observe the line item “exit.”
Does the display on the operator panel change every time the
sensing area of the above sensor is interrupted or blocked?
Problem is solved. Go to step 4.
Step 4
Check the above sensor for proper connection, and if necessary,
replace the connection.
Does the problem remain?
Contact next level of
support.
Problem is solved.
Sensor (fuser output) late jam service check
Action Yes No
Step 1
Check the fuser wiper cover assembly for missing parts or damage,
such as cracks. If necessary, replace the fuser wiper cover
assembly. See
“Fuser wiper cover assembly removal” on
page 332.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Replace the media, or change the media size setup in all the trays.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Remove and properly reinstall the media.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Check the fuser unit assembly for damage and life expiration. If
necessary, replace the fuser unit assembly. Go to
“Fuser unit
assembly removal” on page 331.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Remove obstructions in the fuser unit assembly.
Does the problem remain?
Go to step 6. The problem is
solved.
4062
Diagnostic information
78
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