Brother WL-660 Series User Manual page 42

English
USER'S GUIDE
5–4
4. Unpack the new toner cartridge. Gently shake it well before installing
Then remove the protective seal.
Caution
Unpack the toner cartridge immediately before installing it into the
printer. If toner cartridges are left unpacked for a long period of time,
the toner life is shortened.
Do not remove the blue plastic shutter. Doing so will cause toner to
spill and make the cartridge unusable.
You can use only a genuine Brother toner cartridge. Using
another brand of toner cartridge could void your printer's
warranty.
Fig. 5-6 Shaking the Toner Cartridge and
Remove the Protective Parts
5. Install the new toner cartridge into the drum unit while the drum unit
is inside the printer. Make sure that the
Fig. 5-7 Installing the Toner Cartridge
into the Drum Unit
marks are aligned.