Dell 5110cn Color Laser Printer - Manual (Page 285)

NOTICE: If it takes more than five seconds until you remove the toner seal after inserting the toner
cartridge in the printer, an error message may appear. In this case, perform step 4 again, or turn the
printer off once and then on again.
Replace the top cover by inserting its front side into the printer first. 6.
How to install the Transfer Roller
Unpack a new transfer roller and grip the tabs as shown. 1.
Align the arrow marks on the transfer roller to the marks on the printer, and gently push the roller into
the printer. 2.