Ink Refill Assy - Brother MFC640CW Service Manual

5.1.11 Ink Refill ASSY

(1) Take the ink supply tubes routed on the lower cover out of the machine.
(2) Press the latch provided on the front side of the ink cartridge base inwards with a flat
screwdriver and lift the ink cartridge base up and out of the lower cover.
NOTE: Inside the ink cartridge base is an ink absorber foam that may be stained with ink. If it
is excessively stained, replace the ink refill ASSY.
(3) Disconnect the ink cartridge/purge cam switch harness from the main PCB and the ink
cartridge PCB.
(Head joint)
Ink refill ASSY
(Ink cartridge base)
(Ink supply tubes)
Protective cartridges
5 - 4 4
Latch
(Ink cartridge PCB)
Ink cartridge/purge cam
switch harness
Lower cover
Main PCB
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