Ricoh A250 Service Manual page 188

SERVICE PROGRAM MODE
Mode No.
Class Class
1 and 2 3
P - MTF Strength
(T/P Main 126%~159%)
12
P - MTF Strength
13 (T/P Main 160%~200%)
P - MTF Strength
14 (T/P Sub 50%~89%)
P - MTF Strength
4-916* 15 (T/P Sub 90%~95%)
P - MTF Strength
16 (T/P Sub 96%~125%)
P - MTF Strength
17 (T/P Sub 126%~159%)
P - MTF Strength
18 (T/P Sub 160%~200%)
P - Independent Dot
1
Erase (Text)
P - Independent Dot
Erase (Text/Photo)
4-917*
2
P - White Line Erase
1
(Text)
P - White Line Erase
2
4-918*
(Text/Photo)
P - White Line Erase
3
(Photo)
P - Black Line Erase
1
(Text)
P - Black Line Erase
4-919* 2
(Text/Photo)
P - Black Line Erase
3
(Photo)
A250
Function
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects the MTF strength using
grayscale processing. See "Detailed
Descriptions - Image Processing" for
details.
Weak Strength
1-2-3-4-5-0(x1)-6-7
T/P: Text/Photo
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects the independent dot erase
level. See "Detailed Descriptions -
Image Processing" for details.
With a larger SP setting, more dots
are detected as independent dots
and erased. However, dots in mesh-
like images may be detected as
independent dots mistakenly. If "0" is
selected, independent dot erase is
disabled.
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects whether or not white line
erase is done. See "Detailed
Descriptions - Image Processing" for
details.
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects the black line erase level.
See "Detailed Descriptions - Image
Processing" for details.
4-20
Settings
0 ~ 7
1/step
5
0 ~ 7
1/step
5
0 ~ 7
1/step
3
0 ~ 7
1/step
3
0 ~ 7
1/step
5
0 ~ 7
1/step
5
0 ~ 7
1/step
5
0 ~ 7
1/step
3
0: No
1: Yes
0: Disable
1: Strong
2: Weak
SM