Ricoh D131 Service Manual page 642

Digital AE
4460
This SP sets the lower limit and level for background removal when background
removal is selected with a scanner application.
1 Low Limit Value
2 Background level
4550 Scanning: Text/Drawing
4551 Scanning: Text
4552 Scanning: Test Dropout Color
4553 Scanning: Text/Photo
4554 Scanning: Photo
4565 Scanning: Grayscale
4570 Scanning: Color Text/Photo
4571 Scanning: Color Gloss Photo
4572 Scanning: Auto Color
5 MTF: 0(Off) 1-15 (Weak – Strong)
Sets the MTF level (Modulation Transfer Function) designed to improve image
contrast. Set higher for stronger effect, lower for weaker effect.
[0 to 15/8/1]
6 Smoothing: 0(x1) 1 – 7 (Weak – Strong)
Use to remove "jaggies" if they appear. Set higher for smoother.
[0 to 7/4/1]
7 Brightness: 1-255
Set higher for darker, set lower for lighter.
[1 to 255/128/1]
SM Appendix
[0 to 1023/364/1]
[0 to 1023/512/1]
3-67
SP4000 Scanner
D131/D132/D133