Brother MFC-8370DN Service Manual

2-34
Confidential
3.6 Sensors position
Sensor name Type Located on Function
Regist front sensor Photo sensor
High-voltage PS
PCB
Detect the paper top position
or absence of paper.
Regist rear sensor Photo sensor
High-voltage PS
PCB
Control the first print
position on the paper.
Paper eject sensor Photo sensor Relay rear PCB
Detect whether the paper is
ejected.
New toner sensor Photo sensor Relay front PCB
Detect whether a new toner
cartridge is installed.
Detect a new toner cartridge
type.
Toner LED PCB
(Light emission)
Photo sensor Frame R
Detect whether the toner
cartridge which contains
enough toner.
Toner sensor PCB
(Light reception)
Photo sensor Frame L
Front cover sensor
Mechanical
switch
Frame L
Detect the opening and
closing of the front cover.
PE sensor Photo sensor PE EG sensor ASSY
Detect the absence of the
paper in each paper tray.
Edge sensor Photo sensor PE EG sensor ASSY
Detect the absence of each
paper tray.
Detect whether the paper is
sent from the tray.
MP PE sensor Photo sensor MP PE sensor ASSY
Detect the absence of the
paper in the MP tray.
Duplex tray sensor
Mechanical
switch
Relay rear PCB
Detect the opening and
closing of the back cover.
Detect the absence of the
Duplex unit.
Document front
sensor 1
Photo sensor ADF
Detect the absence of the
paper in the ADF unit.
Document front
sensor 2
Photo sensor ADF
Detect whether the paper is
drawn.
Document rear
sensor
Photo sensor ADF
Detect the length of the
paper.
Switch back sensor Photo sensor ADF
When the duplex printing,
detect the timing of
reversing of the paper.
Document cover
sensor
(CCD model only)
Photo sensor ADF
Detect the opening and
closing of the document
cover.
Home position
sensor
Photo sensor Scanner unit ASSY
Detect the if the scanner
unit ASSY is in the home
position of the CCD unit.
Document eject
sensor
(CIS model only)
Photo sensor ADF
Detect whether the
document is ejected.
ADF cover open
sensor
(CIS model only)
Mechanical
switch
ADF
Detect the opening and
closing of the ADF cover.

Brother MFC-8370DN Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	28 ppm
Input color depth	48 bit
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4, 9, 16, 25
Copy speed (black, normal quality, A4)	28 cpm
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	20 sheets
Display	LCD
Product color	Grey, White
Market positioning	Home & office
Display number of lines	2 lines
Display number of characters	16
Card reader integrated	-
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	1
Dimensions (WxDxH)	531 x 451 x 475 mm
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	Scan
Power consumption (standby)	85 W
Power consumption (average operating)	680 W
Package weight	21100 g
Digital sender	No
Maximum duty cycle	- pages per month

Weight and Dimensions

Depth	443 mm
Width	390 mm
Height	442 mm