Brother FAX-1840CN User Manual page 167

5
Remove the cartridge covers.
Do not touch the area shown in the illustration above.
If the cartridge cover comes off when you open the bag the
cartridge will not be damaged.
6
Each colour has its own correct position. Keep the ink cartridge
in an upright position when you insert it into slot. Press down on
the ink cartridge until the hook snaps over it.
Ink Cartridge Hook
12 - 26 TROUBLESHOOTING AND ROUTINE MAINTENANCE
Cartridge Cover
DO NOT TOUCH
New Ink Cartridge