Brother MFC-640CW - Manual (Page 9)

Setting Up the Machine
7
6
Press firmly down on the ink cartridge until the
hook snaps over it, taking care to match the slot
color (1) with the cartridge color (2), as shown
in the diagram below.
7
Lift the scanner cover to release the lock.
Gently push the scanner cover support down
and close the scanner cover.
Note
If the LCD shows Install xxxx after you install
the ink cartridges, check that the ink cartridges are
installed properly.
The machine will clean the ink tube system for
use for the first time. This process will occur
only once, the first time ink cartridges are
installed. The cleaning process will last
approximately four minutes.
The LCD shows:
Preparing System
Approx 4 Minutes
Cleaning
Please Wait
2
1
OK OK OK