Epson Perfection PHOTO 2450 - 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*
* The maximum hardware resolution of 2400 × 4800 dpi is achieved
using EPSON’s Micro Step Drive ™ technology.
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 7 levels
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)
document
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