Epson GT-30000 - Manual (Page 135)

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Appendix B
Specifications
General
Scanner type
Flatbed, color
Photoelectric device
Color CCD line sensor
Effective pixels
7020 × 10200 pixels at 600 dpi,
100% scaling
Color depth
36-bit internal/24-bit external
Grayscale depth
12-bit internal/8-bit external
Maximum document size
11.7
×
17.0 inches (297
×
432 mm)
A3, Ledger, B4, Legal, A4, Letter, B5 or
Executive, A5, or A6 (the reading area can
be specified from your software)
Output resolution
50 to 4800 in 1 dpi increments
Maximum hardware resolution*
600 dpi (main scan)
1200 dpi with Micro Step Drive
™
(sub scan)
* The maximum hardware resolution of
600
×
1200 dpi is achieved using EPSON’s
Micro Step Drive technology
Speed (600 dpi, draft mode)
Color: 0.79 msec/line (approx.)
Grayscale: 0.39 msec/line (approx.)
Line Art:
0.39 msec/line (approx.)
Color separation
RGB color filters on CCD
Reading sequence
Monochrome: One-pass scanning
Color byte sequence: One-pass scanning
(R, G, B)
Color line sequence: One-pass scanning
(R, G, B)
Zoom
50 to 200% in 1% increments
Command level
ESC/I-B7, FS
Pixel depth
12 bits per pixel (12 bits per pixel
input, 1 to 8 bits per pixel output)
Brightness
7 levels
Line art settings
Fixed threshold