Brother HL-1800 Series User Manual page 133

☛ ☛ ☛ ☛ 4.
Unpack the new Drum Unit.
!
Caution
Wait to unpack a Drum Unit until immediately before you put it in the printer.
If an unpacked Drum Unit is put in direct sunlight or room light, the unit may
be damaged.
☛ ☛ ☛ ☛ 5.
Put the Toner Cartridge into the new Drum Unit until you hear it lock into
place with a click. When the Toner Cartridge is fitted correctly, the Lock
Lever is will automatically lift up.
!
Caution
Make sure you fit the toner cartridge correctly, or it may separate from the
Drum Unit when you pick up the Drum Unit Assembly.
☛ ☛ ☛ ☛ 6.
Put the drum unit back in the printer.
☛ ☛ ☛ ☛ 7.
Reset the drum counter (see the instructions supplied with the new drum
unit).
✒ ✒ ✒ ✒ Note
Do not reset the drum counter if you are only replacing the toner cartridge.
☛ ☛ ☛ ☛ 8.
Close the Front Cover.
✒ ✒ ✒ ✒ Note
We recommend that you clean the printer when you replace the Drum Unit.
See "How to Clean the Printer" in this chapter.
5-13
CHAPTER 5 MAINTENANCE