Brother MFC-9340CDW Service Manual

5-1
Confidential
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE
The maintenance mode is exclusively designed for the checking, setting and adjustments of
the machine by using the keys on the control panel. You can check the operations of sensors,
perform a print test, display the log information or error codes, and modify the worker switch
(WSW).
1.1 How to Enter the Maintenance Mode
<Operating procedure>
(1) Hold down the Home key for about 5 seconds while the machine is in the ready state.
The following screen is displayed on the LCD.
(2) Hold down the blank space at the bottom of the LCD for about 2 seconds. The following
screen is displayed on the LCD.
(3) Press the *, 2, 8, 6, and 4 keys on the LCD in this order. The following screen appears on
the LCD and the machine enters the maintenance mode.
(4) To select one of the maintenance mode functions shown in P5-3, directly enter the
function code that you want to use with the ten-key pad.
Note:
- To exit from the maintenance mode and switch to ready state, press the 9 key twice in the
initial state of the maintenance mode.
- When you press the Stop key after entering a one-digit numerical value, the machine
returns to the initial state of the maintenance mode.
- When an incorrect maintenance mode is entered, the machine returns 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