Toshiba 3890CS User Manual page 132

Troubleshooting
Notes:
•
Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings > Troubleshooting > Print Quality Test Pages.
•
If horizontal dark lines keep appearing on the prints, then see "Repeating defects."
Action
Step 1
a
Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog.
Notes:
•
Make sure that the setting matches the paper loaded.
•
You can also change the setting on the printer control
panel. Navigate to:
Settings > Paper > Tray Configuration > Paper Size/Type
b
Print the document.
Do dark lines appear on prints?
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?
Step 3
a
Remove, and then insert the imaging unit or imaging kit.
Warning—Potential Damage: Do not expose the imaging unit
or imaging kit to direct light. Extended exposure to light may
cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum under the imaging unit or imaging kit.
Doing so may affect the quality of future print jobs.
b
Print the document.
Do dark lines appear on prints?
Vertical dark lines
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Contact customer The problem is
support. solved.
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