Sensor (duplex input) lingering jam service check
Action Yes No
Step 1
Remove obstructions in the internal duplex media path.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the front duplex guide assembly for damage, and if
necessary, replace the front duplex guide assembly. Go to
“Front
duplex guide assembly removal” on page 357.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check if the display on the operator panel changes every time the
sensing area of the media tray sensor (duplex input) is interrupted
or blocked.
a Enter the Diagnostic mode.
b Select Duplex tests.
c Select Sensor test.
d Observe the line item, “input.”
If necessary, replace the connection or the sensor (duplex input).
Go to
“Sensor (duplex input) removal” on page 382.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Remove obstructions in the aligner assembly.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Remove obstructions in the external duplex media path.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Remove, then properly reinstall the external duplex unit assembly.
Does the problem remain?
Go to step 7. The problem is
solved.
7462
Diagnostic information
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