Judgment Threshold For Acs (Common For Copy And Network Scan) - Oki MB760 Service Manual

4.4.5

Judgment threshold for ACS (common for copy and network scan)

The judgment level is adjusted for the automatic identification of whether the original set on the
glass is black or color. Namely, this is to adjust the judgment level used when "Auto Color" is
selected at color modes. The same adjustment value is simultaneously applied to all cases of
originals on the original glass for copier functions and network scanning functions, and those
placed on the RADF.
<Adjustment Mode (05)>
Code Item to be adjusted
7630 Judgment
threshold for ACS
<Procedure>:
The procedure is the same as that of  P. 4-15 "4.4.2 Density adjustment".
4.4.6 Sharpness adjustment
If you want to make scan images look softer or sharper, perform the following adjustment. The
adjustment can be made for each of the color modes and original modes independently.
<Adjustment Mode (05)>
Code Color mode
8354 Full Color
8335
8336
8375
7430 Black
7431
7432
7470
7433 Gray Scale
Notes:
You have to make adjustment by balancing between moire and sharpness.
<Procedure>
The procedure is the same as that of  P. 4-15 "4.4.2 Density adjustment".
45641001TH Rev.1
The larger the value is, the more an original tends to be judged
as black even at the Auto Color Mode. The smaller the value is,
the more it tends to be judged as color.
Acceptable values: 0 to 255 (Default: 70)
Original mode
Text/Photo The larger the value is, the sharper the image
becomes; while the smaller the value is, the
Text
softer the image becomes.
Photo
The smaller the value is, the less moire tends to
appear.
Custom mode
The acceptable values are 0 to 255.
Text/Photo
The center value is 128.
Text
Photo
Custom mode
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