Ricoh AFICIO A267 Service Manual page 206

20 September 1999
Mode No.
Class Class
1 and 2 3
P - Matrix Filter
(Photo - Binary)
4-929* 5
P - Edge Threshold -
Vertical
4-931*
P - Edge
4-932* Threshold -
Horizontal
P - Edge
4-933* Threshold - Right
P - Edge
Threshold - Left
4-934*
P - Line Width
1 Correction
(Text - Grayscale)
P - Line Width
Correction
2
(Text/Photo -
Grayscale)
P - Line Width
3 Correction
(Photo - Grayscale)
P - Line Width
4 Correction
4-935*
(Text - Binary)
P - Line Width
Correction
5
(Text/Photo - Binary)
P - Line Width
Correction
(Photo - Binary)
6
Function
Selects the dither matrix filter in photo
mode. A larger number increases the
number of gradations, but may reduce the
contrast.
5: This is a special dither matrix, designed
to emphasize the edges of graphic and
text objects
This adjustment is only effective for the
"Service Mode" original type setting.
See "Detailed Descriptions - Image
Processing" for details.
Adjusts the threshold for edge detection in
each direction for dynamic thresholding.
Only used for binary picture 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 mode is effective. See
"Detailed Descriptions - Image Processing"
for details.
Normally do not change the value.
Right: Diagonal - top right to bottom left
Left: Diagonal - top left to bottom right
This adjustment is only effective for the
"Service Mode" original type setting.
Adjusts the line width. If "0" is selected, this
mode is disabled. See "Detailed
Descriptions - Image Processing" for details.
Settings 1 to 3 make lines thinner. 1 has the
greatest effect.
Settings 4 to 9 make lines thicker. 9 has the
greatest effect.
Thinnest
1 – 2 – 3 – 0 – 4 – 5 – 6 – 7 – 8 – 9
4-39
SERVICE PROGRAM MODE
Settings
0: 53
1: 105
2: 143
3: 210
4: 270
5: H
0 ~ 255
1/step
63
0 ~ 255
1/step
63
0 ~ 255
1/step
63
0 ~ 255
1/step
63
0 ~ 9
1/step
0
0 ~ 9
1/step
8
0 ~ 9
1/step
0
0 ~ 9
1/step
Thickest
2
0 ~ 9
1/step
8
0 ~ 9
1/step
0