Ink Supply And Ink Jet Mechanism; 1 ] Overview - Brother MFC990CW Service Manual

3.2.2.1 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 four 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 "[ 3 ] Head/
carriage unit" below.
The four ink cartridges (black, yellow, cyan, and magenta) are mounted on the ink refill
assembly. For further details, see "[ 4 ] Ink cartridges" below.
The ink refill assembly secures the ink cartridges and connects them to the corresponding ink
supply tubes. For further details, see "[ 5 ] Ink refill assembly" below.
The ink supply tubes supply the head/carriage unit with ink fed from the ink cartridges via the
ink refill assembly. For further details, see "[ 6 ] Ink supply tubes" below.
(Maintenance unit)
(Ink absorber box)
Engine unit
Head/carriage unit
Ink refill assembly
Ink supply tubes
(3_04)
(Flushing box)
Confidential
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