Sharp MX-2300 G Service Manual page 239

67-33
Purpose : Adjustment
Function (Purpose) : Used to execute the gamma correction
between printer screens. (for GDI)
Section : Printer
Item : Adjustment
Operation/Procedure
1) Use [K][C][M][Y] buttons to select a color. (The selected color
button is highlighted.)
Use [SCREEN] button to select a screen. (In this example,
SCREEN2 is selected.)
Select the set item with [↑] and [↓] buttons.
The highlighted set value is switched and the value is dis-
played in the setting area.
<Set range and default value of each setup>
Item Display
A POINT1
B POINT2
C POINT3
D POINT4
E POINT5
F POINT6
G POINT7
H POINT8
I POINT9
J POINT10
K POINT11
L POINT12
M POINT13
N POINT14
O POINT15
<Selectable items on the screen>
Display
SCREEN1 1bit Photo
SCREEN2 1bit Graphic
SCREEN3 1bit Mono (*)
(*): When SCREEN3 is displayed, [K] data only. When [C] [M] [Y]
button is pressed, the gray-out keys are disabled.
SIMULATION NO.67-33
TEST
PRINTER SCREEN GAMMA ADJUSTMENT(SCREEN 1)
A 128 ; POINT1
A:
128
B 128 ; POINT2
C 128 ; POINT3
0 255
D 128 ; POINT4
K
C M
Y
Description Set range
Point 1 0 to 255
Point 2 0 to 255
Point 3 0 to 255
Point 4 0 to 255
Point 5 0 to 255
Point 6 0 to 255
Point 7 0 to 255
Point 8 0 to 255
Point 9 0 to 255
Point 10 0 to 255
Point 11 0 to 255
Point 12 0 to 255
Point 13 0 to 255
Point 14 0 to 255
Point 15 0 to 255
Content
CLOSE
SCREEN OK
MX-2300/2700 N/G SIMULATION 7 – 133
* If there is any item over [↑], an active display is made and
item is shifted.
If there is no item over [↑], the display grays out and the
operation is invalid.
If there is any item under [↓], an active display is made and
item is shifted.
If there is no item over [↓], the display grays out and the
operation is invalid.
2) Enter the set value with 10-key.
* Press [C] key to clear the entered values.
* Use [ ] [ ] buttons to change the set values collectively.
When the set value is not the upper limit (lower limit) value,
the value is increased (decreased) by 1. If the set value is
the upper limit (lower limit) value, it is not changed.
3) When [OK] button is pressed, the current set data are saved to
EEPROM and RAM.
* Also when [↑], [↑], [ ], [ ] button, or [COLOR], [BLACK]
key is pressed, the value is saved to EEPROM and RAM.
SCREEN1•3
128 128
128 128
128 127
128 127
128 127
128 127
128 123
128 119
128 111
128 112
128 106
128 110
128 120
128 110
128 110
0
Default value
SCREEN2
K C M
128 128
128 128
127 128
128 128
127 126
126 127
124 124
122 122
116 117
113 112
108 115
113 110
112 117
119 120
119 121
Y
128
127
127
127
126
126
123
123
121
117
116
115
118
118
116