Xerox Phaser 6128MFP - Vertical Stripes

5-20 Phaser 6128MFP Service Manual
Print-Quality Troubleshooting
Vertical Stripes
There are black lines along the page in the direction of the paper travel from the
leading edge to the trailing edge.
Initial Actions
• Check the paper transfer path.
• Ensure there are no debris on the transfer path.
Warning
Allow the Fuser to cool before starting the procedure.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Laser Unit Kit (PL4.1.99)
■ Imaging Unit (PL4.1.21)
■ Fuser (PL6.1.1)
■ Transfer Belt (PL6.1.7)
■ IP Board (PL10.6.6)
■ MCU Board (PL10.7.7)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the Transfer Belt high-voltage
connections..
Are the contacts on the Transfer Belt
and springs damaged or dirty?
Clean or
replace the
Transfer Belt
contacts or
spring(s).
Go to step 2.
2 Check the Imaging Unit high-
voltage connections.
Are the contacts on the Imaging
Unit, and springs damaged or dirty?
Clean and/or
replace the
Imaging Unit
or spring(s).
Go to step 3.
3 Reseat the Imaging Unit.
Is the image printed correctly?
Complete Go to step 4.
4 Reseat the Fuser.
Is the image printed correctly?
Complete Go to step 5.
5 Reseat all MCU Board connectors.
Is the image printed correctly?
Complete Go to step 6.
Vertical Stripes