EPSON Perfection 2450 PHOTO

Scanner Parts

Maximum

US letter or A4 size

document size

(8.5 ⋅ 11.7 inches [216 ⋅ 297 mm])

Optical resolution

2400 dpi

document cover

Start button

indicator

light

power button

document

table

transparency unit (TPU) under lid

transparency unit (TPU) connector

USB port

IEEE 1394 port

carriage and lamp (in the home position)

transportation lock

(in unlocked position)

power cord

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)

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

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 - 1