Brother MFC-J6510DW Service Manual page 168

(15) Move the head/carriage unit slightly to the right as shown below, then set the LR (Leveler
Roller) positioning jig so that its bottom boss fits in the hole provided in the engine chassis.
(16) While pressing the idle pulley holder to the right, remove the CR timing belt from the
carriage motor pulley and the idle pulley.
Note: When removing the CR timing belt, do not touch the CR encoder strip or the
lubrication area on the engine unit with your hands or with the CR timing belt.
LR positioning jig
Ink supply tubes
Idle pulley
Idle pulley holder
CR timing belt
Head flat cables
CR encoder strip
Idle pulley
Upper cover
Head/carriage unit
CR timing belt
Idle pulley spring
Idle pulley holder
3-43
PF encoder disk
CR guide rail
Carriage motor pulley
(3_010)
Confidential