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

28 April 2005

3. Text/Photo Mode

Text/Photo mode achieves excellent reproduction of originals with text and photos
on the same page. Grayscales are more accurate than those obtained with Text
mode.
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
SP4903-072. Allows adjustment
of background erase.
SP4903-013, 014, 015, 016
Allow selections for adjustment
between soft and sharp images.
SP4903-062
Allows adjustment of independent
dot erase.
SP4903-086, 087, 088
Allows adjustment of line width
correction.
6-17
IMAGE PROCESSING