Brother HL-4050CDN EN - Manual (Page 140)

Routine Maintenance
131
6
h
Hold the handle of the toner cartridge and slide the toner cartridge into the drum unit. Make sure that you
match the toner cartridge color to the same color label on the drum unit, and make sure that you fold
down the toner cartridge handle (1) once the toner cartridge is in place. Repeat this for all the toner
cartridges.
i
Put the drum unit back in the printer.
j
Close the front cover of the printer.
1.C - Cyan
2.M - Magenta
3.Y - Yellow
4.K - Black
(1)
(1)
1
2
3
4