Brother FAX-3800 User Manual
Page 129
 
T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E
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5
Unpack the new toner cartridge. 
Place the used toner cartridge 
into the aluminum bag and 
discard it according to local 
regulations.
Caution
■
Wait to unpack the new toner cartridge until immediately before you install it in 
the MFC. If a toner cartridge is left unpacked for a long period of time, the toner 
life is shortened.
■
You can use only a genuine Brother toner cartridge (TN-250 series), which is 
specially formulated to ensure top print quality. Using another brand of toner 
cartridge may void your machine’s warranty. Warranty coverage does not apply 
to problems caused by the use of 3rd party Toner, 3rd party Toner Cartridge or 
3rd party Drum unit.
6
Gently rock the new toner cartridge from side to side five or six times and then 
remove the protective seal.
Note
Handle the used toner cartridge carefully. If toner scatters on your hands or 
clothes, immediately wipe it off or wash it with cold water.
Aluminum
Bag
New Toner
Cartridge
Used Toner
Cartridge
New Toner
Cartridge