Sensor (duplex path) late leaving jam service check
Action Yes No
Step 1
Check the duplex path for media jams and obstructions.
Is the duplex path free from media jams and obstructions?
Go to step 2. Remove media jams
and obstructions.
Step 2
Check the duplex front flap for damage.
Is the duplex front flap free from damage?
Go to step 3. Replace the duplex
front flap. See “Duplex
front flap removal” on
page 475.
Step 3
Check the sensor (duplex path) for proper operation.
a Enter the diagnostic mode.
b Select duplex tests.
c Select sensor test.
d Observe the line item sensor.
Does the display on the control panel change every time the sensing area
of the above sensor is interrupted or blocked?
Go to step 5.Go to step 4.
Step 4
Check the above sensor for proper connection.
Is the above sensor connected properly?
Replace the sensor
(duplex path) See
“Sensor (duplex path)
removal” on page
484.
Reseat the connection
Step 5
Check the upper redrive for damage.
Is the above component free from damage?
Go to step 6. Replace the upper
redrive. See “Upper
redrive removal” on
page 471.
Step 6
Perform a print test and check the upper redrive motor for proper
operation.
Does the above component operate properly?
Go to step 7. Replace the upper
redrive motor. See
“Upper redrive motor
removal” on page
469.
Step 7
Perform a print test.
Does the problem remain?
Contact the next
highest level of
technical support.
Problem solved.
4063
Diagnostic information
93
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