Brother DCPJ525W Service Manual page 229

Ink refill ASSY and ink cartridge detection sensor PCB
(3) Remove the ink supply tubes from the head/carriage unit, by performing steps (12) through
(14) in Section 9.3 "Head/Carriage Unit."
(4) Release the four ink supply tubes from the tube guides on the tube support plate, remove
the sponge, and then release them from the tube support wire.
(5) Take the ink absorber box out of the lower cover.
(6) If the main PCB has not been removed, disconnect the three ink-related sensor flat cables
(ink cartridge detection sensor, high-yield ink cartridge sensor and ink remaining sensor
flat cables) from the main PCB.
Ink supply tubes
Black
Yellow
Cyan
Magenta
Lower cover
Tube guides
(Rear)
Tube support plate
Bent section of tube support wire
3-92
Head joint
Ink cartridge detection sensor PCB
Ink-related sensor
flat cables
Sponge
Yellow Cyan
Magenta
Protective part
Ink refill ASSY
Ink absorber box
Cable guide for
ink-related sensor
flat cables
Tube clamp (1)
Tube clamp (2)
Black
Yellow
Cyan
Magenta
Black
(3_083)
Confidential