7-24
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.
An asterisk “*” appears beside the current setting.
<Operating procedure>
(1) Press the 4 and 5 buttons in this order in the initial state of the maintenance mode.
“PB.USBspeed” will appear on the LCD.
(2) Press the or button to display “
PS.DitherType
” and then press the
OK
or
Start/Black
button.
(3) Press the or button to select “PS.DitherType=0” or “PS.DitherType=1,” and then
press the OK or Start/Black button.
(4) The machine beeps for one second and returns to the initial state of the maintenance mode.
■ Switching ON/OFF of 94 mm banding measure GridBias control function
<Function>
This function is to switch ON/OFF of the control (Engine control) to make print by increasing
GridBias at the 94-mm position from the leading edge of each page in order to avoid a banding
failure.
An asterisk “*” appears beside the current setting.
<Operating procedure>
(1) Press the 4 and 5 buttons in this order in the initial state of the maintenance mode.
“PB.USBspeed” will appear on the LCD.
(2) Press the or button to display “
Bd94GrdBias
” and then press the
OK
or
Start/Black
button.
(3) Press the or button to select “Bd94GrdBias=ON” or “Bd94GrdBias=OFF,,” and then
press the OK or Start/Black button.
(4) The machine beeps for one second and 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)
PS.DitherType=1 Dither Pattern 1 is selected.
(A dither pattern which alleviates banding) (default)
LCD Description
Bd94GrdBias=ON 94 mm Banding measure GridBias control function ON (default)
Bd94GrdBias=OFF 94 mm Banding measure GridBias control function OFF
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