Brother DCP-L8400CDN Service Manual page 414

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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.
LCD
PS.DitherType=0
PS.DitherType=1
"*" 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.
(3) Press the or
Mono Start or SET key.
(4) "Accepted" is displayed on the LCD, and the machine returns to the initial state of the
maintenance mode.
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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.
LCD
DP.ImpGray=ON
DP.ImpGray=OFF
"*" 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.
(3) Press the or
Mono Start or SET key.
(4) "Accepted" is displayed on the LCD, and the machine returns to the initial state of the
maintenance mode.
Dither Pattern 0 is selected.
(A dither pattern which improves roughness of letters and slanted
lines) (default)
Dither Pattern 1 is selected.
(A dither pattern which alleviates banding)
key to display "PS.DitherType" and then press the Mono Start or SET
key to select "PS.DitherType=0" or "PS.DitherType=1", and press the
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)
DirectPrint Color mode - Improve Gray Color. (Print control for gray
color) OFF (Improves the unevenness of the gray color.)
key to display "DP.ImpGray" and then press the Mono Start or SET
key to select "DP.ImpGray=ON" or "DP.ImpGray=OFF", and press the
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Description
Description
Confidential