Scanner Parts
Start button
indicator
light
power button
transparency unit
(TPU) under lid
transparency unit
(TPU) connector
USB port
IEEE 1394 port
Scanner Specifications
Basic Specifications
Scanner type
Flatbed, color
Photoelectric
Color CCD line sensor
device
20,400 × 28,080 pixels at 2400 dpi,
Effective pixels
100% scaling
document
cover
carriage and lamp
(in the home
position)
document
table
transportation lock
(in unlocked position)
power cord
Maximum
US letter or A4 size
(8.5 × 11.7 inches [216 × 297 mm])
document size
Optical resolution 2400 dpi
2400 dpi (main scan) × 4800 dpi hardware
Maximum
(sub scan)
resolution*
The maximum hardware resolution of 2400 × 4800 dpi is achieved
*
using EPSON's Micro Step Drive
Maximum
12,800 dpi
interpolated
resolution
Output resolution 50 to 12,800 dpi
(50 to 6400 dpi in 1 dpi increments,
12,800 dpi performed with zoom function)
Speed (2400 dpi,
Color: 11.0 msec/line
draft mode)
Grayscale: 3.8 msec/line
Command level
ESC/I (B8), FS
Zoom
50 to 200% in 1% increments
Pixel depth
16 bits per pixel
Brightness
Line art settings
Fixed threshold
TET (Text Enhancement Technology),
enable/disable selectable
Digital halftoning AAS (Auto Area Segmentation), enable/
disable selectable
3 error diffusion 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)
Gamma correction 2 types for CRT display
3 types for printer output
1 type for user-defined
Color correction
1 type for CRT display
3 types for printer output
1 type for user-defined (only user-defined
color correction is available in EPSON
TWAIN)
Interface
USB (Type B receptacle connector)
IEEE 1394 (FireWire)
Light source
White cold cathode fluorescent lamp
Reliability
30,000 cycles of carriage movements
(MCBF)
Dimensions
Width: 12.0 inches (30.4 cm)
Depth: 18.7 inches (47.6 cm)
Height: 4.8 inches (12.2 cm)
Weight
Approx. 12.8 lb (5.8 kg)
9/01
EPSON Perfection 2450 PHOTO
™
technology.
7 levels
EPSON Perfection 2450 PHOTO - 1
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