Brother HL-4040CDN - Manual (Page 117)

Routine Maintenance
108
6
d
Hold the handle of the toner cartridge and pull it out of the drum unit. Repeat this for all the toner
cartridges.
CAUTION
To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the
illustration.
To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.