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.)