Dell 5100cn Color Laser Printer - Manual (Page 202)

5. Pull the toner seal straight up to remove it.
NOTICE: Pull the toner seal straight up. Pulling the toner seal diagonally may tear the seal.
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.
6. Replace the top cover by inserting its front side into the printer first.
Replacing the Transfer Roller
CAUTION: Before performing any of the following procedures, read and follow the safety instructions in
your Owner's Manual.
CAUTION: Never throw a used transfer roller into a fire. It could explode resulting in burns and
injuries.
CAUTION: Do not touch the edge of the plate at the upper side of the transfer roller because it is sharp.