Brother DCPJ525W Service Manual page 231

(7) Release the three ink-related sensor flat cables from the cable guide (shown on
on the lower cover.
(8) Lift the ink refill ASSY up and out of the lower cover.
Note: Do not remove the protective part under the current state. Doing so causes ink in the
ink supply tubes to flow out.
Note: On the back of the ink refill ASSY is an ink absorber felt (for ink refill ASSY) that
may be stained with ink. If it is excessively stained, replace it.
(9) Remove the screw and take the ink cartridge detection sensor PCB up and off the ink refill
ASSY.
Ink cartridge detection
sensor PCB
Ink refill ASSY
Assembling Note: When replacing the ink cartridge detection sensor PCB ASSY, bend its flat
cable as specified below.
UL symbol
print side
Conductor for
connection
Valley fold, 180
Mountain fold,
180
Taptite, cup B M3x8
Mountain fold,
Mountain fold, 180
180
Mountain fold, 180
3-94
Ink cartridge detection sensor
flat cable
High-yield ink cartridge sensor
flat cable
Ink remaining sensor flat cable
Protective part
Reference
line
page 3-92)
(3_085)
Reference
line
(3_085_1)
Confidential