Brother MFC-9320CW Service Manual page 75

Name of sensor
Belt thermistor
Drum motor origin
sensor
Fuser/eject drive
motor sensor
Registration mark
sensor L
Registration mark
sensor R
Density sensor
Develop release
sensor
Document front
sensor
Document rear
sensor
ADF cover open
sensor
Fuser side thermistor
Fuser center thermistor
Type
Thermistor Registration sensor
holder ASSY
Photosensor On the drum motor
origin sensor PCB ASSY
in the side frame L
Photosensor On the fuser/eject drive
motor sensor PCB
ASSY in the eject gear
cover
Photosensor On the registration mark
L PCB ASSY in the
registration sensor
holder ASSY
Photosensor On the registration mark
R PCB ASSY in the
registration sensor
holder ASSY
Photosensor On the registration mark
L PCB ASSY in the
registration sensor
holder ASSY
Photosensor On the develop release
sensor PCB ASSY in the
side frame R
Photosensor On the ADF sensor PCB
Photosensor On the ADF sensor PCB
Photosensor On the ADF sensor PCB
Thermistor In the fuser unit
Thermistor In the fuser unit
2-31
Position
Detects temperature
in the product (at the
center).
Detects the phase of
the drum motor.
Detects if the fuser/
eject drive motor
operates properly.
Measures color
displacement (L side).
Measures color
displacement (R side).
Measures the density
of each color.
Detects the distance
between the develop
roller and exposure
drum.
Detects whether or
not a document is set
on the ADF.
Detects the timing to
start reading a
document.
Detects whether or
not the ADF cover is
open.
Detects the
temperature of the
heat roller.
Detects the
temperature of the
heat roller.
Function
Confidential