5-30 Phaser 6121MFP Service Manual
Print-Quality Troubleshooting
5 Check the Transfer Roller.
Is the roller dirty,
deformed, or worn?
Replace the Transfer
Roller (page 8-56). If
the problem persists,
go to step 6.
Go to step 6.
6 Inspect the Fuser.
Are the rollers and drive
mechanism dirty,
scratched, or worn?
Replace the Fuser
(page 8-9). If
problem persists,
then go to step 7.
Go to step 7.
7 Has the problem been
eliminated?
Complete. Replace the following
units, listed in order,
until problem is
eliminated:
Toner Cartridge
(page 8-20),
Imaging Unit
(page 8-6).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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