
Action
Yes
No
Step 2
a
Load paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store
paper in its original wrapper until you use it.
b
Print the document.
Do dark lines appear on prints?
Contact your
s
The problem is
solved.
Vertical dark lines
Note: Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings > Troubleshooting > Print Quality Test Pages.
Troubleshooting
166