Dell 3110cn Service Manual page 164

Yes
Replace the failure
toner cartridge.
Version 4 2008.01.17
A
Checking the drum
damaged
Are there any
damage on the
drums?
Checking the
surface of
TRANSFER ASSY.
Yes
Replace the
TRANSFER ASSY.
No
Are there any
damages on the
No
surface of
TRANSFER
ASSY?
Checking the foreign substance.
Remove the Fuser.
Warning: Start the operation after the FUSER
ASSY has cooled down.
Check the heat roll surface.
Yes
Replace the FUSER
ASSY.
Chapter 1 Troubleshooting
No
Are there any foreign
substances?
B