Action
Yes
No
Step 5
a
Remove 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.
Warning—Potential Damage:
Do not touch the
photoconductor drum under the imaging unit. Doing so may
affect the quality of future print jobs.
b
Remove any packing material that is stuck on the imaging unit.
Note:
Make sure to remove any obstruction between the
charge roller and photoconductor drum.
c
Insert the imaging unit.
d
Print the document.
Does gray background appear on prints?
Go to step 6.
The problem is
solved.
Step 6
a
Replace the imaging unit.
b
Print the document.
Does gray background appear on prints?
Contact
The problem is
solved.
Horizontal light bands
Note:
Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings
>
Troubleshooting
>
Print Quality Test Pages
. For non
‑
touch
‑
screen printer models, press
to
navigate through the settings.
Troubleshooting
179
Summary of Contents for Bizhub 4000i
Page 1: ...User s Guide 2018 3 AAFM 9565 11A...
Page 30: ...2 Select the job to cancel Printing 30...
Page 147: ...Maintaining the printer 147...
Page 155: ...Paper jam in the front door 1 Remove the tray 2 Open the front door Clearing jams 155...
