Partial Band - Xerox Phaser 6128MFP Service Manual

Print-Quality Troubleshooting

Partial Band

Initial Actions
5-24
There are areas of the image that are extremely light or are missing in a limited
area on the paper.
• Check the paper transfer path.
• Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Notes
Laser Unit Kit (PL4.1.99)
Imaging Unit (PL4.1.21)
Transfer Belt (PL6.1.7)
IP Board (PL10.6.6)
MCU Board (PL10.7.7)
Troubleshooting Procedure Table
Step Actions and Questions
1 1. Run the Contamination Check test
print: Service Mode > Test Print >
Contamination Chk
2. Compare any blank areas with the
Pitch Chart (page 5-51).
Do any of the blank areas appear at
regular intervals, and do the
intervals match the chart?
2 Check the paper condition
Is the paper dry and approved for
use?
3 Is the image printed correctly?
4
Inspect the transfer belt surface.
Is the transfer belt damaged?
Example Print
Yes No
Replace the Go to step 2.
corresponding
parts.
Go to step 4. Replace with
dry, approved
paper, then go
to step 3.
Complete Go to step 4.
Replace the Go to step 5.
Transfer Belt
(page 8-103).
Phaser 6128MFP Service Manual
Partial Band