Ink Supply And Ink Jet Mechanism; 1 ] Overview - Brother MFC640CW Service Manual

3.2.2.2

Ink supply and ink jet mechanism

[ 1 ] Overview

The ink supply and ink-jet mechanism consists of the head/carriage unit, four ink cartridges, ink
refill assembly, and ink supply tubes.
The head/carriage unit scans the surface of the recording paper, jetting out ink supplied through the
ink supply tubes onto the paper to produce images. For further details, see
unit" below.
The four ink cartridges (black, yellow, cyan, and magenta) are mounted on the ink refill assembly.
For further details, see
The ink refill assembly secures the ink cartridges and connects them to the corresponding ink
supply tubes. Ribs inside the cartridge slots prevent wrong cartridge insertion and color mixups. For
further details, see
The ink supply tubes supply the head/carriage unit with ink from the ink cartridges. For further
details, see
(Ink absorber box)
Head/carriage unit
"[ 4 ] Ink cartridges" below.
"[ 5 ] Ink refill
"[ 6 ] Ink supply tubes" below.
assembly" below.
Ink supply tubes
3-10
"[ 3 ] Head/carriage
(Maintenance unit)
Ink cartridges
Ink refill ASSY
Confidential