Ricoh A250 Service Manual page 189

Mode No.
Class Class
1 and 2 3
P - Smoothing - Main
1
Scan (Text)
P - Smoothing - Main
Scan (Text/Photo)
4-921*
2
P - Binary Selection
1
(Text)
P - Binary Selection
(Text/Photo)
4-922*
2
P - Binary Threshold
4-923*
P – Binary
Threshold - MAX
4-924*
P – Binary
Threshold - MIN
4-925*
SM
SERVICE PROGRAM MODE
Function
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects the smoothing pattern for the
small filter used to remove moiré. (0:
Weak, 1: Normal, 2: Strong, 3:
Disabled). See "Detailed
Descriptions - Image Processing" for
details.
Normally do not change the value.
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects the thresholding type used
during gradation processing
(dynamic or constant). See "Detailed
Description - Image Processing" for
details.
Normally do not change the value.
Adjusts the constant threshold used
during gradation processing.
This adjustment is only effective
for the "Text - Service Mode"
original type setting.
If "Static" is selected with SP4-922-1,
this SP is effective. See "Detailed
Descriptions - Image Processing" for
details.
Adjusts the maximum value of the
dynamic binary threshold used
during gradation processing.
This adjustment is only effective
for the "Text - Service Mode"
original type setting.
If "Dynamic Binary" is selected with
SP4-922-1, this SP is effective. See
"Detailed Descriptions - Image
Processing" for details.
Adjusts the minimum value of the
dynamic binary threshold used
during gradation processing.
This adjustment is only effective
for the "Text - Service Mode"
original type setting.
If "Dynamic Binary" is selected with
SP4-922-1, this SP is effective. See
"Detailed Descriptions - Image
Processing" for details.
4-21
Settings
0: Pat-1
1: Pat-2
2: Pat-3
3: Through
(Disable)
0: Dynamic
1: Static
0: Dynamic
1: Static
0 ~ 255
1/step
96
0 ~ 255
1/step
160
0 ~ 255
1/step
96
A250