Ricoh R-C4 Service Manual page 218

SERVICE PROGRAM MODE
4550* Scanner Appli: Text: Print
4550 1 MTF Filter Level: Main Scan
4550 2 MTF Filter Level: Sub Scan
4550 3 MTF Filter Strength: Main Scan
4550 4 MTF Filter Strength: Sub Scan
4550 5 Smoothing
4550 6 Brightness (Not Used)
4550 7 Contrast (Not Used)
4550 8 Isolated Dot Erase
Set the MTF coefficient for main/sub scan
directions.
[0~15/8/1]
0: Weakest 8: Default
Set the MTF strength for main/sub scan
directions.
[0~7/4/1]
0: Weakest 4: Default
Selects the level of smoothing for originals
that contain dithered images.
[0~7/0/1]
0: Default (Off)
Sets the overall brightness of the image.
[1~255/128/1]
1: Weakest 128: Default
Strongest
Sets the overall contrast of the image.
[1~255/128/1]
1: Weakest 128: Default
Strongest
Sets the level of independent dot erasure to
improve the appearance of background.
[0~7/0/1]
0: Default (Off)
5-30
21 July 2006
15: Strongest
7: Strongest
7: Strongest
255:
255:
7: Strongest