Brother MFC-9340CDW Service Manual

5-30
Confidential
■ Switching Dither Pattern
<Function>
This function is to switch the dither pattern when printed letters and/or slanted lines are not
smooth, and thin lines are rough or uneven.
"*" is displayed at the end of the currently specified function in the LCD display.
<Operating procedure>
(1) Press the 4 and 5 keys in this order in the initial state of the maintenance mode.
"USBNo." is displayed on the LCD.
(2) Press the or key to display "PS.DitherType" and then press the Mono Start key.
(3) Press the or key to select "PS.DitherType=0" or "PS.DitherType=1".
(4) Press the Mono Start key. "Accepted" is displayed on the LCD, and the machine returns
to the initial state of the maintenance mode.
■ Switching of ON/OFF of DirectPrint Color mode-Improve Gray Color
<Function>
This function is to switch ON/OFF of the print control for the gray color when other colors are
slightly blended in the gray color or the gray color is uneven upon printing.
"*" is displayed at the end of the currently specified function in the LCD display.
<Operating procedure>
(1) Press the 4 and 5 keys in this order in the initial state of the maintenance mode.
"USBNo." is displayed on the LCD.
(2) Press the or key to display "DP.ImpGray" and then press the Mono Start key.
(3) Press the or key to select "DP.ImpGray=ON" or "DP.ImpGray=OFF".
(4) Press the Mono Start key. "Accepted" is displayed on the LCD, and the machine returns
to the initial state of the maintenance mode.
LCD Description
PS.DitherType=0 Dither Pattern 0 is selected.
(A dither pattern which improves roughness of letters and slanted lines)
(default)
PS.DitherType=1 Dither Pattern 1 is selected.
(A dither pattern which alleviates banding)
LCD Description
DP.ImpGray=ON DirectPrint Color mode - Improve Gray Color. (Print control for gray
color) ON (Improves the symptom that other colors are slightly
blended in the gray color.) (default)
DP.ImpGray=OFF DirectPrint Color mode - Improve Gray Color. (Print control for gray
color) OFF (Improves the unevenness of the gray color.)

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