Repeating Bands, Lines, Marks, or Spots
This is usually caused by a damaged roller. In some instances, the spots may be dark
instead of white and are repeated.
Initial Actions
to Perform
■
Perform Initial Actions from
Maintenance Procedures in Chapter 1
.
■
Verify the
media used
is supported by this printer.
■
Verify the
media settings
are correct at the Control Panel.
■
Print the ID Check Pattern
(Reports – Print – ID Check Pattern)
and
Demo page
(Reports – Information – Demo Page)
to see if it is an application problem.
■
Perform isolation
Test Prints
form
Section 2.7.3.
■
Run the
Density Error Correction Test
in
Section 2.7.5.
Areas of the Printer that Apply
■
Imaging Unit
■
Fuser
■
Transfer Unit
Troubleshooting Steps
Repeating Defects Spacing
Component
Defect
Spacing
Defect
Location
Imaging
Drum
94.3
mm
Imaging
Unit
Developer
Roller
39.7
mm
Imaging
Unit
Charge Roller
37.7 mm
Imaging Unit
Supply Roller 58.4 mm
Imaging Unit
Fuser
Belt
125.5
mm
Fuser
Heat
Roller
87.7
mm
Fuser
Transfer
Roller
50.3
mm
Transfer
Unit
60