EPSON GT-30000
3/01 EPSON GT-30000
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Scanner Parts
Scanner 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
Digital halftoning 4 dither patterns (A, B, C, and D) for
bi-level and quad-level data
(2 downloadable dither patterns)
Gamma
correction 2 types for CRT display
3 types for printer
1 type user-defined (only available when
using EPSON TWAIN HS)
Color correction 1 type for CRT display
3 types for printer (available in color
byte sequence mode and color line
sequence mode)
1 type user-defined (only available when
using EPSON TWAIN HS)
automatic
document
feeder
document
table
Operate button
READY light
Start button
ERROR light
SCSI ID dial
SCSI terminator
switch
ADF connector
optional interface slot
SCSI select
switch N/W
SCSI interface (50-pin)
SCSI interface (68-pin)
AC socket