Diagnostic information 2-133
4062
Sensor (duplex input) late jam service check.
Use this procedure for the following jams:
• 230.02 • 231.00
Step Check Yes No
1 Check the door assembly, rear.
Is the above component properly closed?
Go to step 2. Open then
properly close the
door assembly,
rear.
2
Check the fuser access door.
Is the above component properly closed?
Go to step 3. Open then
properly close the
fuser access door.
3
Check media origination.
Did the media originate from the internal duplex?
Go to step 4 Go to step 10
4
Check the internal duplex media path for obstructions.
Is the above component free from obstructions?
Go to step 5 Remove
obstructions.
5
Check the redrive assembly for damage.
Is the above component free from damage?
Go to step 6 Replace the
redrive assembly.
Go to “Option
removals” on
page 4-84.
6
Perform a print test and check the redrive motor assembly
for proper operation.
Does the above component operate properly?
Go to step 7. Replace the
redrive motor
assembly.
Go to “Redrive
assembly
removal” on
page 4-62.
7
Perform a print test and check the duplex drive motor
assembly for proper operation.
Does the above component operate properly?
Go to step 8 Replace the
duplex drive motor
assembly.
Go to “Duplex
drive motor
assembly
removal (T652,
T654, T656)” on
page 4-18.
8
Check the sensor (duplex input) for proper operation.
1. Enter the diagnostic mode
2. Select Duplex tests
3. Select sensor test
4. Observe the line item “input”
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
Go to step 10. Go to step 9.
9
Check the above sensor for proper connection.
Is the above sensor connected properly?
Replace the
Sensor (duplex
input).
Go to “Sensor
(duplex input)
removal (T652,
T654, T656)” on
page 4-68.
Replace the
connection.
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