Text Mode - Ricoh B010 Service Manual

IMAGE PROCESSING

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
Conversion
Processing
Filtering
Density Control
Quality
Processing
B010
Image Processing Flow
Shading Correction
↓
Main Scan Resolution
Conversion
↓
MTF Filtering
Independent Dot Erasure
Line Width Correction
↓
γ Correction
↓
4-Value Error Diffusion
Related SP Modes
SP4906-20, 24, 28, 32
MTF filter coefficients for various
reproduction ratios.
SP4906-22, 26, 30, 34
MTF filter strength for various
reproduction ratios.
SP4905-4, 5, 6
Line width correction settings.
SP4930-2, 73, 74, 75
Independent dot erasure settings.
6-12 SM