Service Manual

Diagnostic information 2-167
4062
4
Check the charge roll assembly for contamination and
wear.
Is the above component free of excess wear and
contamination?
Go to step 5. Replace the
charge roll
assembly.
Go to “Access
door removal
(T650, T652,
T654)” on
page 4-8.
5
Check the transfer roll assembly for contamination and
wear.
Is the above component free of excess wear and
contamination?
Go to step 6. Replace the
transfer roll
assembly.
Go to “Transfer
roll assembly
removal (T650,
T652, T654)” on
page 4-78.
6
Check the heat roll and pressure roll.
Remove the fuser unit assembly.
CAUTION: : Allow
the fuser unit
assembly to cool
down.
Is there contamination or cracks on the heat roll and/or
pressure roll?
Replace the
fuser unit
assembly.
Go to “Fuser
unit assembly
removal (T650,
T652, T654)” on
page 4-23.
Go to step 7.
7
Check the HVPS card assembly for proper connection.
Is the above component properly connected?
Replace the
HVPS card
assembly.
Go to “HVPS
card assembly
removal (T650,
T652, T654)” on
page 4-24.
Replace the
connections.
8
Perform a print test.
Does the problem remain?
Contact next
highest level of
tech support.
Problem solved.
Step Check Yes No