Brother DCP-8070D Service Manual page 542

(3) Press the [Stop/Exit] button. The machine beeps for one second and returns to the
initial stage of the maintenance mode.
Note:
• If you have opened and closed the front cover during the above procedure, you
need to open and close the front cover again upon completion of the procedure.
■ Location of sensors
(CCD model)
ADF unit
Document cover sensor
Document rear sensor
Home position sensor
Paper eject sensor
(Relay rear PCB)
Duplex tray sensor
New toner sensor (Relay front PCB)
Front cover sensor
Toner sensor PCB (Light reception)
(CIS model)
ADF cover open sensor
Document rear sensor
Home position sensor
Paper eject sensor
(Relay rear PCB)
Duplex tray sensor
New toner sensor (Relay front PCB)
Front cover open sensor
Toner sensor PCB (Light reception)
Document front sensor 1
Switch back sensor
Frame L
Regist rear sensor
High-voltage PS PCB
Document eject sensor
ADF unit
Frame L
Regist rear sensor
High-voltage PS PCB
Fig. 7-12
7-24
Document front sensor 2
Regist front sensor
Switch back sensor
Document front sensor 1
Document front sensor 2
Regist front sensor
Regist frame
Toner LED PCB
(Light emission)
Frame R
MP PE sensor
PE EG sensor
PE sensor
Edge sensor
Regist frame
Toner LED PCB
(Light emission)
Frame R
MP PE sensor
PE EG sensor
PE sensor
Edge sensor
Confidential