Brother International HL 1240 Users Manual - English - Page 68

Make sure that the printer is turned on, the front cover is open and the, LEDs are illuminated.

Page 68 highlights

 4. Install the toner cartridge into the new drum unit until it locks into place, indicated by a click. When the toner cartridge is installed correctly, the lock lever is lifted automatically. ! Caution Make sure that the toner cartridge is installed correctly, or the toner cartridge may separate from the drum unit when you hold the drum unit assembly. X Fig.3-16 Install the toner cartridge into the drum unit  5. Install the drum unit assembly into the printer. Fig. 3-17 Installing the drum unit Make sure that the printer is turned on, the front cover is open and the Drum and Alarm LEDs are illuminated. 3-12

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3-12
±
4
.
Install the toner cartridge into the new drum unit until it locks into place, indicated
by a click.
When the toner cartridge is installed correctly, the lock lever is lifted
automatically.
!
Caution
Make sure that the toner cartridge is installed correctly, or the toner cartridge may
separate from the drum unit when you hold the drum unit assembly.
Fig.3-16
Install the toner cartridge into the drum unit
±
5
.
Install the drum unit assembly into the printer.
Fig. 3-17
Installing the drum unit
Make sure that the printer is turned on, the front cover is open and the
Drum
and
Alarm
LEDs are illuminated.
X