5-19
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) For models with touch panel 
Press the [4], and then the [5] in the initial state of maintenance mode. “USBNo.” is 
displayed on the LCD.
For models without touch panel
Press the [▲] or [▼] in the initial state of maintenance mode to display 
“MAINTENANCE 45” on the LCD, and press the [OK]. “USBNo.” is displayed on the 
LCD.
(2) Press the [▲] or [▼] to display “PS.DitherType” on the LCD, and press the [Mono Start], 
[SET] or [OK].
(3) Press the [▲] or [▼] to select “PS.DitherType = 0” or “PS.DitherType = 1” on the LCD, 
and press the [Mono Start], [SET] or [OK].
(4) “Accepted” is displayed on the LCD, and the machine returns to the initial state of 
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)