Brother MFC-J6510DW Service Manual page 203

Document detection actuator, document scanning position detection actuators (for first
side scanning and second side scanning*), and document width detection actuator
(39) To remove the document detection actuator and the document scanning position detection
actuators (for first side scanning and second side scanning*), lightly press down the lock
arm of each actuator, slide the actuator towards the lock arm, then remove the actuator
together with its spring.
(40) To remove the document width detection actuator, lightly press down the lock arm, slide
the actuator towards the lock arm, then remove it.
Document scanning
position detection actuator
(for first side scanning)
Lock arm
Lock arm
(Document scanning
position sensor PCB
(first side))
Document scanning position detection actuator
(for second side scanning)*
Actuator spring*
Actuator spring
(Document scanning position
sensor PCB (second side))*
(Document scanning position
sensor harness (second side))*
Document scanning position
sensor harness (first side)
Document detection/width &
scanning position (first side)
sensors harness
Actuator spring
Document detection
actuator
Lower ADF
chute
Lock arm
(ADF cover switch harness)
Document detection/width
sensor harness
3-78
*For duplex scanning models
Document width detection
actuator
(Document detection/
width sensor PCB)
(ADF cover
switch)
Lock arm
(Front)
(3_043)
* For duplex scanning models
Confidential