Brother HL 1270N - Manual (Page 55)

CHAPTER 3 MAINTENANCE
3-7
☛ 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.
Fig. 3-9 Installing the toner cartridge
into the drum unit
!
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.
This Lock Lever is up
until this position.
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