45641001TH Rev.1
4-16 /
Oki Data CONFIDENTIAL
4.4.3
Background adjustment (Color Mode)
The adjustment level of background center value is adjusted. The control value of background
adjustment button is automatically adjusted to the same level as the adjusted center value.
For example, when the control value of background adjustment key ranges from 0 to 6, the
background center value (-2 to +2) is used to be the range from 6 to 14 accordingly.
Before adjustment
After adjustment
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
+2
+1
0
-1
-2
-1
-2
+2
+1
0
Fig 6-2
<Adjustment Mode (05)>
Code
Original mode
Remarks
8309
Text/Photo
The smaller the value is, the background becomes lighter.
Acceptable values: 0 to 255 (Default: 128)
8310
Text
8311
Photo
8370
Custom mode
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in the codes and press the [START] button.
(3) Key in the adjustment values. Acceptable values: 0 to 255. (To correct the value once keyed
in, press the [CLEAR] button.)
(4) Press the [OK] or [INTERRUPT] button to store the value in memory.
→
The equipment goes back to the ready state.
(5) Let the equipment restart and perform the scanning job.
(6) If the desired image has not been attained, repeat step (1) to (5).
4.4.4
Background adjustment (Black/Grayscale)
The density of background can be adjusted as follows.
<Adjustment Mode (05)>
Code
Color mode
Original mode
Remarks
7436
Black
Text/Photo
The smaller the value is, the background
becomes lighter.
Acceptable values: 0 to 255 (Default: 128)
7437
Text
7438
Photo
7441
Custom mode
7439
Grayscale
−
<Procedure>
The procedure is the same as that of
P. 4-15 “4.4.2 Density adjustment”.
Содержание MB760
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