Xerox Phaser 6121MFP Service Manual page 244

Print-Quality Troubleshooting
5-18
Troubleshooting Procedure Table (continued)
Step Actions and Questions
7 Check the connectors and
terminal contacts of the
Laser Unit.
Are the connectors and
contact terminals
connected properly?
8 Is the Transfer Roller dirty
or damaged?
9 Check the paper path.
Is there a foreign object
or obstruction in the
path?
10 Inspect the Fuser.
Is the fusing entrance
guide plate dirty or
scratched?
11 Has the problem been
eliminated?
Yes No
Go to step 8. Reseat the
connectors and clean
the terminal contacts.
If the problem
persists, go to step 8.
Replace the roller Go to step 9.
(page 8-56). If the
problem persists, go
to step 9.
Remove the object Go to step 10.
and reprint the test
page. If the problem
persists, go to step
10.
Clean the guide plate Go to step 11.
and reprint the test
sheet. If the problem
persists, replace the
Fuser (page 8-9) and
go to step 11.
Complete. Replace the Power
Supply (page 8-72).
Phaser 6121MFP Service Manual