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7558-xxx
Step
Replace the transfer belt cleaner. Go to
5
cleaner removal" on page
Does the problem remain?
Check the heat belt and pressure roll in the fuser
6
assembly for scratches or defects.
Remove the fuser assembly.
Is there contamination or cracks on the heat belt
and/or pressure roll?
Replace the transfer belt assembly. Go to
7
belt assembly removal" on page
Does the problem remain?
Check the transfer roll HVPS PCBA for proper
8
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the transfer roll HVPS PCBA.
Go to
page
Perform a print test.
Does the problem remain?
Check the developer HVPS PCBA for proper
9
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the developer HVPS PCBA.
Go to
page
Perform a print test.
Does the problem remain?
Check the upper printer engine PCBA for proper
10
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the upper printer engine PCBA.
Go to
page
Perform a print test.
Does the problem remain?
Service Manual
2-274
Check
4-178.
CAUTION: The fuser assembly might be hot.
Allow the fuser assembly to cool.
"Transfer roll HVPS PCBA removal" on
4-181.
"Developer HVPS PCBA removal" on
4-75.
"Upper printer engine PCBA removal" on
4-187.
Go to step 6.
"Transfer belt
Replace the
fuser assembly.
Go to
assembly
removal" on
page
Go to step 8.
"Transfer
4-175.
Go to step 9.
Go to step 10.
Replace the RIP
card PCBA.
Go to
PCBA removal"
on page
Yes
No
Problem
resolved
Go to step 6.
"Fuser
4-84.
Problem
resolved
Problem
resolved
Problem
resolved
Problem
resolved
"RIP
4-150.
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