Vertical colored lines or banding check
Leading edge
Diagnostics and troubleshooting
53
Step 1
a
Enter the Diagnostics menu, and then navigate to:
Advanced Print Quality Samples
>
Advanced Print Quality
Samples
b
Check the test page.
Is only one color producing the defect?
Step 2
•
If the affected color is cyan, magenta, or yellow, then replace
the developer unit of the affected color.
•
If the affected color is black, then replace the imaging unit.
Does the problem remain?
Step 3
Replace the photoconductor unit.
Does the problem remain?
Step 4
Replace the transfer module. See
“Transfer module removal” on
page 371
.
Does the problem remain?
Step 5
Replace the fuser. See
“Fuser removal” on page 370
.
Does the problem remain?
Contact the next
level of support.