Epson perfection 2450 User Manual
EPSON Perfection 2450 PHOTO
9/01
EPSON Perfection 2450 PHOTO - 1
Scanner Parts
Scanner Specifications
Basic Specifications
Scanner type
Flatbed, color
Photoelectric
Color CCD line sensor
device
Effective pixels
20,400
× 28,080 pixels at 2400 dpi,
100% scaling
Maximum
US letter or A4 size
document size
(8.5
× 11.7 inches [216 × 297 mm])
Optical resolution 2400 dpi
Maximum
2400 dpi (main scan)
× 4800 dpi hardware
(sub scan)
resolution*
resolution*
*
The maximum hardware resolution of 2400
× 4800 dpi is achieved
using EPSON’s Micro Step Drive
™
technology.
Maximum 12,800
dpi
interpolated
resolution
resolution
Output resolution 50 to 12,800 dpi
(50 to 6400 dpi in 1 dpi increments,
12,800 dpi performed with zoom function)
12,800 dpi performed with zoom function)
Speed (2400 dpi, Color: 11.0 msec/line
draft mode)
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
7 levels
Line art settings
Fixed threshold
TET (Text Enhancement Technology),
enable/disable selectable
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)
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
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)
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
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)
Depth: 18.7 inches (47.6 cm)
Height: 4.8 inches (12.2 cm)
Weight
Approx. 12.8 lb (5.8 kg)
document
cover
cover
document
table
carriage and lamp
(in the home
position)
USB port
power cord
transparency unit
(TPU) connector
transportation lock
(in unlocked position)
Start button
indicator
light
power button
IEEE 1394 port
transparency unit
(TPU) under lid