Brother MFC-9010CN Service Manual

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

Brother MFC-9010CN Specifications

General

Brand	Brother
Model	MFC-9010CN
Category	All in One Printer
Language	English