Brother MFC-J6510DW Service Manual page 236

(6) Release the three ink-related flat cables from the cable guides (shown on
the lower cover and lift the ink refill ASSY up and out of the lower cover.
Note: On the bottom of the ink refill ASSY is an ink foam that may be stained with ink. If
it is excessively stained, replace it.
(7) Remove the screw from the ink cartridge detection sensor PCB and lift it up.
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.
Conductor for connection UL symbol print side
Taptite, cup B M3x8
Ink cartridge detection sensor
flat cable
Protective part
Mountain fold, 180º Valley fold, 180º
3-111
High-yield ink cartridge sensor
flat cable
Ink remaining sensor flat cable
Mountain fold, 180º
Mountain fold,
Fold mark
page 3-109) on
(3_076)
Reference line
Reference
line
Confidential