Scanning

Scanner type:

Photoelectric device:

Effective pixels:

Document size:

Scanning resolution:

Output resolution:

Color separation:

Reading sequence:

Monochrome

Color page sequence

Color byte sequence

Color line sequence

Zoom:

Image data:

Brightness:

Line Art settings:

Halftoning process:

Gamma correction:

Flatbed, color

Color CCD line sensor

3400 × 4680 pixels at 400 dpi, 100%

216 mm × 297 mm (8.5 inches × 11.7 inches) A4 or US letter size

(The reading area can be specified from your software.)

400 dpi (main, sub)

50 dpi to 1600 dpi in 1 dpi steps

RGB color filters on CCD

One-pass scanning

Three-pass scanning (R, G, B)

One-pass scanning (R, G, B)

One-pass scanning (R, G, B)

50% to 200% in 1% increments

10 bits per pixel per color saved as 8 bits per pixel per color maximum

7 levels

Fixed threshold

Text Enhancement Technology (enable/disable selectable)

AAS (Auto Area Segmentation) Enable/disable selectable

3 halftoning modes (A, B, and C) and

4 dither patterns (A, B, C, and D) for bi-level and quad-level data

(2 downloadable dither patterns)

2 types for CRT display

3 types for printer

1 type for user-defined

A-2Technical Specifications

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Image 44
Epson GT-5500 manual Scanning, 2Technical Specifications