Horizontal Stripes - Xerox Phaser 6128MFP Service Manual

Print-Quality Troubleshooting

Horizontal Stripes

Initial Actions
5-22
There are black lines running parallel with the leading edge of the print,
perpendicular to the direction of the paper travel.
• 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)
Toner Cartridge K (PL5.1.21)
Toner Cartridge C (PL5.1.22)
Toner Cartridge M (PL5.1.23)
Toner Cartridge Y (PL5.1.24)
Fuser (PL6.1.1)
Transfer Belt (PL6.1.7)
IP Board (PL10.6.6)
MCU Board (PL10.7.7)
Warning
Allow the Fuser to cool before starting the procedure.
Troubleshooting Procedure Table
Step Actions and Questions
1 Run the Contamination Check test
print: Service Mode > Test Print >
Contamination Chk
Compare any horizontal dropout
bands with the Pitch Chart
(page 5-51).
Do any of the horizontal bands
match the chart?
2 Check the Transfer Belt high-voltage
connections..
Are the contacts on the Transfer Belt
and springs damaged or dirty?
Example Print
Horizontal Stripes
Yes No
Replace the Go to step 2.
corresponding
parts.
Clean or Go to step 3.
replace the
Transfer Belt
contacts or
spring(s).
Phaser 6128MFP Service Manual