Brother MFC-9340CDW Service Manual

2-10
Confidential
2.4 Block Diagram
Fig. 2-5
Color LCD
Panel control
PCB
Modem PCB
Touch panel
ADF cover/document detection sensor PCB
Key PCB
USB host PCB
Document scanner motor
ADF motor
First side document scanning position sensor PCB
Second side document scanning position sensor PCB
Speaker
First side CIS unit
Second side CIS unit
Back cover sensor
Registration front/rear/
manual feed sensor PCB
Develop release clutch
Paper feed clutch
Internal temperature sensor
Center thermistor
Registration clutch
Main fan
Wireless LAN PCB
Registration mark L PCB
Registration mark R PCB
LED ASSY (K)
Side thermistor
Low-voltage power supply PCB
Hight-voltage
power supply
PCB
LED control
PCB
Paper feed sensor PCB
Process motor
(Drum, Belt, Develop (Y/M/C)
and Belt cleaner)
Main motor
(Paper feed, Fuser, Eject,
Develop (K), Duplex and
Develop release)
Fuser unit
Main PCB
Develop release sensor PCB
Develop drive clutch (K)
Top cover
sensor
Eject
sensor
PCB
LED ASSY (Y)
LED ASSY (M)
LED ASSY (C)
Drum unit
Toner cartridge
Belt unit
Waste toner box
External temperature/humidity
sensor

Brother MFC-9340CDW Specifications

Printing Specifications

print speed (black)	up to 23 ppm
print speed (color)	up to 23 ppm
print resolution	up to 600 x 2400 dpi
automatic duplex printing	Yes

Copying Specifications

copy speed (black)	up to 23 cpm
copy speed (color)	up to 23 cpm
copy resolution	600 x 600 dpi
copy reduction/enlargement	25% - 400% in 1% increments

Scanning Specifications

scanner type	Color Flatbed with ADF
document glass size	8.5” x 11.7”
scan resolution (optical)	1200 x 2400 dpi
scan resolution (interpolated)	19200 x 19200 dpi

Fax Specifications

fax modem	33.6k bps
fax page memory	up to 500 pages
speed dial locations	200

Memory and Interfaces

memory (standard/max)	192MB / 192MB
standard interfaces	Wireless 802.11b/g/n, Ethernet, Hi-Speed USB 2.0
usb direct interface	Yes

Supplies and Accessories

black toner cartridge yield	2, 500 pages
cyan toner cartridge yield (standard)	1, 400 pages
magenta toner cartridge yield (standard)	1, 400 pages
yellow toner cartridge yield (standard)	1, 400 pages
cyan toner cartridge yield (high capacity)	2, 200 pages
magenta toner cartridge yield (high capacity)	2, 200 pages
yellow toner cartridge yield (high capacity)	2, 200 pages
drum unit yield	15, 000 pages
belt unit yield	50, 000 pages
waste toner box yield	50, 000 pages
multi-purpose paper	Letter, 500 sheets