45641001TH Rev.1
4-8 /
Oki Data CONFIDENTIAL
4.2.6
Sharpness adjustment
If you want to make copy images look softer or sharper, perform the following adjustment. The
adjustment can be made for each of the original modes independently.
<Adjustment Mode (05)>
Code
Color mode
Original mode
Contents
7056
Black
Text/Photo
The larger the value is, the sharper the image
becomes; while the smaller the value is, the softer
the image becomes.
The smaller the value is, the less moire tends to
appear.
Acceptable values: 0 to 255 (Default: 128)
7057
Text
7058
Photo
7249
Custom mode
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustment.
Notes:
You have to make adjustment by balancing between moire and sharpness.
<Procedure>
The procedure is the same as that of
P. 4-5 “4.2.2 Density adjustment”.
4.2.7
Setting range correction
The values of the background peak/text peak in the range correction at the Black Mode can be
switched to “varied” or “fixed” in the following codes.
If they are fixed, the range correction is performed with standard values.
The values of the background peak affects the reproduction of the background density, and the
values of the text peak affects that of the text density.
<Adjustment Mode (05)>
Color
mode
Original mode
Item to be adjusted
Remarks
Text/
Photo
Text
User Custom
Black
7283
7284
7236
Auto density mode
0: Background peak / fixed
1: Background peak / varied
(Default: 1)
7286
7287
7237
Manual density mode
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustment.
<Procedure>
The procedure is the same as that of
P. 4-5 “4.2.2 Density adjustment”.