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

IMAGE PROCESSING

2. Text Mode

Text mode does not distinguish between areas of the page that contain text,
graphics, or photographs; the entire page is processed as a text original. However,
straight lines appear sharp in the copies.
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
SP4903-070. Allows adjustment
of background erase.
SP4903-001, 002, 003, 004
Allow selections for adjustment
between soft and sharp images.
SP4903-060
Allows independent dot erase
settings.
SP4903-080, 081, 082
Allow line width correction
settings.
6-16
28 April 2005