Brother DCP-9010CN Service Manual page 87

■ Location of sensors
Registration mark sensor L
Density sensor
Eject gear cover
Fuser/eject
drive motor
sensor
Registration sensor
holder ASSY
Paper eject rear sensor
Internal temperature
sensor
Back cover sensor
Paper eject front
sensor (Fuser cover)
Drum motor
origin sensor
Toner sensor
(Light reception)
Belt thermistor
Paper feed unit
Fig. 2-30
New toner sensor
Fig. 2-31
Registration mark sensor R
Waste toner
sensor holder
Manual sensor
Waste toner sensor
Paper eject guide ASSY
2-32
Registration rear sensor
Registration front sensor
Registration front/rear
sensor PCB ASSY
<Front>
Toner LED
(Light emission)
Top cover open
switch
Develop release
sensor
External temperature/
humidity sensor
<Front>
Confidential