Brother MFC-9340CDW Service Manual

5-21
Confidential
(4) Check that the display on the LCD is changed when the detection condition of each
sensor is changed. For instance, insert paper through the registration front/rear sensor,
open the joint cover ASSY or the back cover, make a jam at the paper outlet, insert paper
from the manual feed slot, set paper tray, etc.
(5) Press the Stop key to return the machine to the initial state of the maintenance mode.
■ Location of sensors
Fig. 5-10
Fig. 5-11
Paper eject ASSY
Paper feed unit
Paper feed sensor
Top cover sensor
Back cover sensor
Eject sensor
Registration
Registration
Internal temperature sensor
External temperature sensor
External humidity sensor
front sensor
rear sensor
Manual feed paper empty sensor
Registration front/rear/
manual feed sensor PCB
High-voltage power
supply PCB ASSY
First side document scanning
Second side document scanning
ADF cover sensor/
document detection sensor
Lower ADF chute
Document
ADF cover sensor
detection sensor
position sensor
position 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