Vertical Blanks - Dell H815DW User Manual

Vertical blanks

Action
1 Ensure the light path is not covered.
Remove the drum cartridge, and keep it in the dark place.
a
Clean the rear side of the drum cartridge with a dry cloth.
b
NOTE:
Be careful not to touch or damage the drum.
Re-install the drum cartridge.
c
Press the (Information) button and tap
d
Tap
Demo Page
e
The demo page is printed.
Does this solve your problem?
2 Replace the drum cartridge.
Replace the drum cartridge. See "Replacing the Drum Cartridge."
a
After you replace the drum cartridge, press the
b
button and tap
Report/List
Tap Demo Page
c
The demo page is printed.
Does this solve your problem?
510
Troubleshooting Guide
Report/List
.
.
.
Yes
The task is complete.
.
The task is complete.
(Information)
No
Go to action 2.
Contact Dell.