Brother MFC-9340CDW Service Manual

5-59
Confidential
1.4.31 Operational check of fans (Function code 78)
<Function>
This function allows you to check that the main fan is operating normally.
The rotation speed is changed among three settings: 100 %, 50 % and OFF.
<Operating procedure>
(1) Press the 7 and 8 keys in this order in the initial state of the maintenance mode.
"F 100" is displayed on the LCD, and the main fan operates at the rotating speed of 100 %.
If the main fan is faulty, "NG" is displayed on the LCD.
(2) Press the Mono Start key.
"F 50" is displayed on the LCD, and the main fan operates at the rotating speed of 50 %.
(3) Press the Mono Start key. "F0" is displayed on the LCD, and the main fan stops.
(4) Press the Mono Start key. "F 100" is displayed on the LCD, and the machine returns to
the state described in step (1). Every time the Mono Start key is pressed, the displayed
rotating speed changes as described in steps (1) to (3).
(5) Press the Stop key to return the machine to the initial state of the maintenance mode.

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