Brother FAX-2840 - Manual (Page 69)

Routine maintenance
57
A
c
Push down the green lock lever and take
the toner cartridge out of the drum unit.
WARNING
DO NOT put a toner cartridge or a toner
cartridge and drum unit assembly into a fire.
It could explode, resulting in injuries.
DO NOT use flammable substances, any
type of spray, or an organic solvent/liquid
containing alcohol or ammonia to clean the
inside or outside of the machine. Doing so
could cause a fire. Instead, use only a dry,
lint-free cloth.
(See Product Safety Guide: To use the
product safely.)
Be careful not to inhale toner.