45641001TH Rev.1
4-7 /
Oki Data CONFIDENTIAL
4.2.4
Background adjustment
The density of the background can be adjusted as follows.
<Adjustment Mode (05)>
Color
mode
Original mode
Remarks
Text/
Photo
Text
Photo
Custom
Mode
Black
7100
7101
7102
7106
The larger the value is, the darker the background
becomes.
Acceptable values: 0 to 255 (Default: 128)
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustment using the following procedure.
<Procedure>
The procedure is the same as that of & P. 4-5 “4.2.2 Density adjustment”.
4.2.5
Judgment threshold for ACS (common for copy and scan)
Judgment levels for automatically identifying whether an original is color or black are adjusted.
This adjustment is for judgment levels when “Auto Color” is selected as a color mode. 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
Contents
7630
Judgment threshold for
ACS
The larger the value is, the more an original tends to be
judged as black . The smaller value is, the more it tends to
be judged as color.
Acceptable values: 0 to 255 (Default: 70)
Make a test copy and compare the image obtained with the current settings; if necessary and
make adjustment.
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in a code and press the [START] button.
(3) Key in a sub-code and press the [START] button.
(4) Key in an adjustment value.
(To correct a value once keyed in, press the [CLEAR] button.)
(5) Press the [OK] or [INTERRUPT] button to store the value.
→
The equipment goes back to
the ready state.
(6) Turn the power OFF and back ON in the normal mode, and then make a copy.
(7) If the desired image quality has not been attained, repeat step (1) to (6).
Содержание MB760
Страница 1: ...MB760 MB770 MPS5502 Service Manual 70913A ...