Toner Specks Appear On Prints - Konica Minolta bizhub 4000P User Manual

Action
Step 3
Check if you are using a
recommended type of paper.
1. Load the indicated tray or feeder
with a recommended type of
paper.
2. Resend the print job.
Do vertical voids appear on prints?
Step 4
1. Redistribute the toner in the
imaging unit.
a. Remove the toner cartridge,
and then the imaging unit.
b. Firmly shake the imaging
unit.
Warning—Potential
Damage: Do not expose
the imaging unit to direct
light for more than 10
minutes. Extended
exposure to light may cause
print quality problems.
c. Reinstall the imaging unit,
and then the cartridge.
2. Resend the print job.
Do vertical voids appear on prints?

Toner specks appear on prints

Action
Replace the imaging unit, and then resend the print job.
Do toner specks appear on prints?
User's Guide
Yes
Go to step 4.
Contact technical support.
Note: The laser scanning unit may
be defective.
Yes
Contact
- 200 -
No
The problem is solved.
The problem is solved.
No
technical support. The problem is solved.