Dell 5110cn User Guide - Page 304

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. Dell transfer rollers are available only through Dell. You can order more online at www.dell.com/supplies or by phone. To order by phone, see your Owner's Manual . Dell recommends Dell transfer roller for your printer. Dell does not provide warranty coverage for problems caused by using accessories, parts, or components not supplied by Dell.