Brother MFC640CW - Page 77

3-39 Confidential
Document rear sensor
Document front sensor
Document rear sensor actuator
Document front
sensor actuator
ADF & document
cover ASSY
Ink cartridge
sensors
Purge cam switch
(Maintenance unit)
(Carriage PCB)
(Ink cartridge PCB
in the ink refill ASSY)
Scanner open sensor actuator
Scanner open sensor on the
rubber keypad
CR encoder strip
Paper width sensor
(Head/carriage unit)
Registration sensor actuator
Registration sensor
PF encoder
sensor
PF encoder disk
(PF sensor PCB)
CR encoder sensor
Hook switch actuator*
(Lower cover)
(Hook switch PCB*)
Hook switch sensor*
*MFC640CW
Document rear sensor
Document front sensor
Document rear sensor actuator
Document front
sensor actuator
Sensors and Actuators Locations