Ricoh SP5 Series Service Manual page 220

June 30, 1998
Mode No.
(Class 1 , 2 & & & & 3)
4-903 Filter Setting
43 MTF Filter
Level
(155% ~ 256%)
44 MTF Filter
Level
(257% ~ 400%)
47 Filter Type in
Photo Area
(Text/Photo
mode)
50 MTF Filter
Strength
(25% ~ 64%)
51 MTF Filter
Strength
(65% ~ 154%)
52 MTF Filter
Strength
(155% ~ 256%)
53 MTF Filter
Strength
(257% ~ 400%)
Function
* Selects the MTF filter coefficient in the sub
scan direction for 155% ~ 256%
enlargement for text mode.
0:No filter
1:Weak 8:Strong
This SP is ignored unless the user selects
'SP Mode Changed' in UP mode.
* Selects the MTF filter coefficient in the sub
scan direction for 257% ~ 400%
enlargement for text mode.
0:No filter, 1:Weak 8:Strong
This SP is ignored unless the user selects
'SP Mode Changed' in UP mode.
* Selects the MTF or smoothing filter
coefficient for photo areas in text/photo
mode.
0:MTF Filter – Weak
1:MTF Filter – Medium
2:MTF Filter – Strong
3:No filter
4:Smoothing Filter – Weak
5:Smoothing Filter – Medium
4:Smoothing Filter – Strong
This SP is ignored unless the user selects
'SP Mode Changed' in UP mode.
* Selects the MTF strength in the sub scan
direction for 25% ~ 64% reduction in text
mode.
This SP is ignored unless the user selects
'SP Mode Changed' in UP mode.
* Selects the MTF strength in the sub scan
direction for 65% ~ 154% magnification in
text mode.
This SP is ignored unless the user selects
'SP Mode Changed' in UP mode.
* Selects the MTF strength in the sub scan
direction for 155% ~ 256% enlargement in
text mode.
This SP is ignored unless the user selects
'SP Mode Changed' in UP mode.
* Selects the MTF strength in the sub scan
direction for 257% ~ 400% enlargement in
text mode.
This SP is ignored unless the user selects
'SP Mode Changed' in UP mode.
4-27
SERVICE PROGRAM MODE
Settings
0 ~ 11
1/step
3
0 ~ 8
1/step
8
0 ~ 6
1/step
2
0: x 0.25
1: x 0.5
2: x 1
3: x 2
4: x4
0: x 0.25
1: x 0.5
2: x 1
3: x 2
4: x 4
0: x 0.25
1: x 0.5
2: x 1
3: x 2
4: x 4
0: x 0.25
1: x 0.5
2: x 1
3: x 2
4: x 4