Brother MFC-J3520 Service Manual page 155

(20)Release the Hooks 1 and 2 and lift the Hook 1 as using the Hook 3 as the center.
Slide the Tube binder in the direction of the arrow and remove it from the Head/
carriage unit.
Note: Immediately wrap the Head joint in a clean, lint-free cloth and keep it higher than
the Ink refill ASSY to prevent ink remaining in the Ink supply tubes from leaking
and the machine from getting stained with leaked ink.
Assembling Note: Pass the section "A" of the Tube binder beneath the CR encoder
"A"
Head/carriage unit
CR encoder strip
strip to prevent it from coming into contact with the CR encoder strip.
Hook 3
"A"
Fig. 3-14
3-35
Tube binder
Hook 1
Hook 2
Tube binder
Confidential