White Or Colored Lines And Bands In Feed Direction - Xerox Phaser 6121MFP Service Manual

Print-Quality Troubleshooting

White or Colored Lines and Bands in Feed Direction

Initial Actions
5-14
Vertical lines or bands in the output indicate problems in the feed direction.
Perform the initial actions listed on page 5-5.
Troubleshooting Reference Table
Applicable Parts Example Print
Scanner Unit,
PL2.0.4
Imaging Unit,
PL4.0.13
Fuser, PL11.0.18
Transfer Roller,
PL7.1.10
Laser Unit,
PL4.0.2
Troubleshooting Procedure Table
Step Actions and Questions
1 Print Test Pattern 3 (see
page 6-32).
Does the defect occur on
the printed output?
2 This defect often occurs
when foreign material
(paper dust, toner, or
other material) deposits
on the document glass.
The scanhead detects the
foreign material while
scanning, and the defect
appears as streaks or
spots on the copy output.
Thoroughly clean the
document glass.
Does the defect still
occur?
Chrysanthemum x morifolium
Vertical Blank Lines
Yes
The problem is in the
print image system.
Go to step 4.
Go to step 3.
Phaser 6121MFP Service Manual
Chrysanthemum x morifolium
Vertical Stripes
No
The problem is in the
Scanner system. Go
to step 2.
Complete.