2-138 Service Manual
7462
Sensor (duplex input) late jam service check.
2
Check the sensor (narrow media) for proper operation.
1. Enter the diagnostic mode
2. Select Base sensor test
3. 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 4. Go to step 3.
3
Check the above sensor for proper connection.
Is the above sensor connected properly?
Replace the fuser
unit assembly.
Go to “Fuser unit
assembly
removal” on
page 4-16.
Replace the
connection.
4
Perform a print test.
Does the problem remain?
Contact next
highest level of
tech support.
Problem resolved.
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 “Redrive
assembly
removal” on
page 4-55.
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
motor assembly
removal” on
page 4-37.
Ste
p
Check Yes No