Brother DCPJ525W Service Manual page 246

(10) Push down the boss on the lock arm of the registration sensor holder (on which the
registration sensor PCB ASSY is mounted) to release it from the hole provided in the CR
guide rail, then remove the holder outwards.
As shown on the next page, pull the support arms on the registration sensor holder
outwards, remove the registration sensor PCB ASSY, and disconnect the registration sensor
harness from the PCB.
Note: The registration sensor harness is a part of the PF/registration sensor harness ASSY.
To completely separate the ASSY from the engine unit, disconnect the PF encoder sensor
harness from the PF encoder sensor PCB, referring to step (14) later.
(11) Using a spring hook from the rear, pull the lock arm of the inner chute ASSY to the rear to
release the boss on the lock arm from the hole provided in the main chassis, slide the inner
chute ASSY to the left (to the right viewed from the rear) to release the seven locks, and
take the inner chute ASSY off the engine unit.
Inner chute ASSY
Boss on the lock arm
Registration sensor holder
Registration sensor PCB ASSY
Registration sensor
PF/registration
harness
sensor harness
ASSY
PF encoder sensor harness
(Rear)
Boss on the
lock arm
Paper feed motor harness
3-109
Locks
CR guide rail
(3_103)
Confidential