Actions Yes No
Step 9
a Remove the HVPS shield. See “HVPS removal” on page
421.
b Verify if all the cables on the HVPS are properly installed. If
necessary, reinstall the cables.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Replace the transfer roller. See
“Transfer roller removal” on
page 447.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
Replace the HVPS. See
“HVPS removal” on page 421.
Does the problem remain?
Go to step 12. The problem is
solved.
Step 12
Check connection J71 on the controller board and the connection
on the toner add motor for proper connection.
Are the connections properly connected?
Go to step 14. Go to step 13.
Step 13
Replace the connections.
Does the problem remain?
Go to step 14. The problem is
solved.
Step 14
Replace the controller board. See
“Controller board removal” on
page 424.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Paper curl check
Note: Before performing this print quality check, go to the control panel home screen and navigate to
Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check.
See
“Initial print quality check” on page 44.
4064
Diagnostics and troubleshooting
54
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