Dell 5330dn - Workgroup Laser Printer B/W User Manual page 8

CAUTION: To prevent damage, do not expose the toner cartridge to light for more than a few minutes.
2. Locate the sealing tape at the end of the toner cartridge. Carefully pull the tape completely out of the cartridge and discard
it.
NOTE: The sealing tape should be longer than 60 cm when correctly removed.
NOTE: Holding the toner cartridge, pull the sealing tape straight to remove it from the cartridge. Be careful not to cut the
tape. If this happens, you cannot use the toner cartridge.
NOTE: See the help pictures on the cartridge wrapping paper.
3. Remove the flexible plastic holder from the toner cartridge.
4. Thoroughly shake the cartridge 5 or 6 times to distribute the toner evenly inside the cartridge.
Thoroughly roll the cartridge to assure maximum copies per cartridge. Save the box and the plastic bag for shipping.
NOTE: If toner comes into contact with your clothing, wipe the toner off with a dry cloth and wash your clothing in cold
water. Hot water sets toner into fabric.
5. Open the top cover.