Brother MFC-8370DN Service Manual

2-10
Confidential
3. Function of each motor/solenoid
-ADF motor
Driving source of overall ADF.
- Paper feed solenoid
The paper feed solenoid disable pick-up roller and separation roller while the machine
is taking action scanning to prevent the next document from being drawn into the ADF.
- Switch back solenoid
Switches the direction of rotation of the switch back roller ASSY.
- Document eject sensor (CIS model)
When the duplex scanning, detects whether the document is ejected.
4. Internal structure
 CCD model
The automatic document feeder (ADF) of the CCD model consists of the pick-up roller,
separation roller, paper feed rollers 1/2/3/4, eject roller, ADF motor, switch back sensor,
document rear sensor and document front sensors 1/2.
For further details on the sensors, see 3.6 Sensors position.
Fig. 2-9
Switch back sensor
Paper feed roller 2
Document rear
sensor actuator
Paper feed roller 3
Document rear sensor
Switch back
sensor actuator
Paper feed roller 4
Flap A
Document front sensor 2
Eject roller
Document front
sensor actuator 2
Document front
sensor 1
Document front
sensor actuator 1
Pick-up roller
Separation roller
Paper feed roller 1
Switch back
roller ASSY
Flap C
Flap B

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