Photo Mode - Ricoh Aficio 480W Dolphin-C2 Service Manual

IMAGE PROCESSING

4. Photo Mode

Photo mode achieves the best possible copies of photo originals.
Scanner Image
Correction
Pre-Input
Processing
Magnification
Processing
Filtering
Density Control
Quality
Processing
Image Processing Flow
Shading Correction
↓
Background
Erase
↓
Main Scan
Magnification Processing
↓
MTF Filtering
Independent Dot Erasure
Line Width Correction
↓
γ Correction
↓
4-Value Error Diffusion
Related SP Modes
SP4903-071. Allows adjustment
of background erase.
Allows adjustment of dither
processing selection.
SP4904 002
Adjusts the quality of the dithering
matrix, or allows selection of error
diffusion.
0: Dithering 8x8
1: Dithering 6x6
2: Dithering 4x4
3: Error Diffusion
SP4903-005, 006, 007, 008
Allow adjustment of dither
processing to improve image
quality.
SP4903-009, 010, 011, 012
Allow adjustment of error
diffusion to improve image quality
SP4903-061
Allows adjustment of independent
dot erase.
SP4903-083, 084, 085
Allows adjustment of line width
correction.
6-18
28 April 2005