Sensors Position - Brother DCP-8085DN Service Manual

3.6

Sensors position

Sensor name
Regist front sensor
Regist rear sensor
Paper eject sensor
New toner sensor
Toner LED PCB
(Light emission)
Toner sensor PCB
(Light reception)
Front cover sensor
PE sensor
Edge sensor
MP PE sensor
DX tray sensor
Document front
sensor 1
Document front
sensor 2
Document rear
sensor
Switch back sensor
Document cover
sensor
HP sensor
Type Located on
Photo sensor High-voltage PS PCB
Photo sensor High-voltage PS PCB
Photo sensor Relay rear PCB
Photo sensor Relay front PCB
Photo sensor Frame R
Photo sensor Frame L
Mechanical
Frame L
switch
Photo sensor PE EG sensor ASSY
Photo sensor PE EG sensor ASSY
Photo sensor MP PE sensor ASSY
Mechanical
Relay rear PCB
switch
Photo sensor ADF
Photo sensor ADF
Photo sensor ADF
Photo sensor ADF
Photo sensor ADF
Photo sensor Scanner unit ASSY
2-31
Function
Detect the paper top
position or absence of
paper.
Control the first print
position on the paper.
Detect whether the paper
is ejected.
Detect whether a new
toner cartridge is installed.
Detect a new toner
cartridge type.
Detect whether the toner
cartridge which contains
enough toner.
Detect the opening and
closing of the front cover.
Detect the absence of the
paper in each paper tray.
Detect the absence of
each paper tray.
Detect whether the paper
is sent from the tray.
Detect the absence of the
paper in the MP tray.
Detect the opening and
closing of the back cover.
Detect the absence of the
DX unit.
Detect the absence of the
paper in the ADF unit.
Detect whether the paper
is drawn.
Detect the length of the
paper.
When the duplex printing,
detect the timing of
reversing of the paper.
Detect the opening and
closing of the document
cover.
Detect the home position
of the CCD unit.
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