Diagnostic information 2-135
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4
Check the fuser unit assembly for damage and life
expiration.
Is the above component damaged or has it exceeded life?
Replace the fuser
unit assembly.
Go to “Fuser unit
assembly
removal” on
page 4-16.
Go to step 5.
5
Check the sensor (fuser output) for proper operation.
1. Enter the diagnostic mode
2. Select Base sensor tests
3. Observe the line item “output”
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
Go to step 7. Go to step 6.
6
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.
7
Check the redrive assembly for damage.
Is the above component free from damage?
Go to step 8. Replace the
redrive assembly.
Go to “Redrive
assembly
removal” on
page 4-55.
8
Perform a print test and check the redrive motor assembly
for proper operation.
Does the above component operate properly?
Go to step 9. Replace the
redrive motor
assembly.
Go to “Redrive
motor assembly
removal” on
page 4-37.
9
Perform a print test.
Does the problem remain?
Contact next
highest level of
tech support.
Problem resolved.
Step Check Yes No