Ricoh Aficio 270 - Image Processing Path

IMAGE PROCESSING
SM 2-11 A265/A267
Detailed
Descriptions
Image Processing Path
Overview
This diagram shows the various stages of the image process and where they are
done.
Image Correction
• ADS
• Auto Shading
• White/Black Line Erase
Correction
• Scanner Gamma Correction
• Small Smoothing Filter
Magnification (Main Scan)
Filtering
• MTF
• Smoothing
• Independent Dot Erase
ID Gamma Correction
Gradation
• Error Diffusion
• Dithering
• Binary Picture Processing
• Grayscale Processing
Video Path Control
LD Unit
Optional
Printer
Controller
Optional
Fax Unit
Optional
Scanner
Controller
IPU
BICU
SBU
Image Correction
• ADS
Others
• Independent Dot Erase
• Line Width Correction
• Printer Gamma Correction
8
8
8
8
8
21
Grayscale Processing
Binary Picture Processing
1
1
8
1
1
2
1
2
A265D509.WMF