Brother HL HL-1270N User Manual page 55

5.
Install the new toner cartridge into the drum unit until it clicks into place. When the toner
cartridge is installed correctly, the lock lever is lifted and locks automatically.
!
Caution
Make sure the toner cartridge is installed correctly, or the toner cartridge may separate from
the drum unit when you hold the drum unit assembly.
Fig. 3-9 Installing the toner cartridge
into the drum unit
3-7
CHAPTER 3 MAINTENANCE
This Lock Lever is up
until this position.
X