
Gray background
Action
Yes
No
Step 1
a
From the Quality menu on the control panel, select
Color
Adjust
.
b
Resend the print job.
Does gray background still appear on prints?
Go to step 2.
The problem is
solved.
Step 2
a
Remove, and then reinstall the imaging unit or imaging kit.
Warning—Potential Damage:
Do not expose the imaging unit
or imaging kit to direct light for more than 10 minutes.
Extended exposure to light may cause print quality problems.
Warning—Potential Damage:
To avoid damage, do not touch
the underside of the imaging unit or imaging kit.
b
Resend the print job.
Does gray background still appear on prints?
Contact
The problem is
solved.
Horizontal dark lines
Note:
If horizontal dark lines keep appearing on your prints, then see the “Repeating defects” topic.
Action
Yes
No
Step 1
a
Depending on your operating system, specify the tray or feeder
from the Printing Preferences or Print dialog.
b
Resend the print job.
Do horizontal dark lines still appear on prints?
Go to step 2.
The problem is
solved.
Troubleshooting
76
Summary of Contents for S5840cdn
Page 44: ...3 Remove the pick roller 4 Unpack the new pick roller Maintaining the printer 44 ...
Page 54: ...3 Follow the instructions on the computer screen Maintaining the printer 54 ...
Page 96: ...5 ISP extended cable 4 Install the ISP into its housing Upgrading and migrating 96 ...
Page 97: ...5 Attach the housing to the controller board access cover Upgrading and migrating 97 ...
Page 103: ...5 Open door B 6 Open door C Upgrading and migrating 103 ...