Epson 4990 Spécifications télécharger pdf

Epson Perfection 4990 Series

10/04 Epson Perfection 4990 Series - 1

Scanner Parts Scanner Specifications

Basic Specifications

Scanner type Flatbed, color

Photoelectric Color CCD line sensor

device

Effective pixels 40,800 × 56,160 pixels at 4800 dpi

Maximum US letter or A4 size

document size (8.5 × 11.7 inches [216 × 297 mm])

Optical resolution 4800 dpi

Maximum 4800 dpi (main scan) × 9600 dpi hardware

resolution* (sub scan)

* The maximum hardware resolution of 4800 × 9600 dpi is achieved

using Epson’s Micro Step Drive

™

technology.

Maximum 12,800 dpi

interpolated

resolution

Output resolution 25 to 12,800 dpi (25 to 6400 dpi in 1 dpi

increments; 12800 dpi performed with

zoom function)

Speed (color) 12.3 msec/line at 4800 dpi

3.1 msec/line at 600 dpi

Pixel depth 16 bits per pixel (input and output)

Brightness 7 levels (in EPSON Scan, gamma

correction controls brightness)

Interface

USB 1.1/2.0 (Type B receptacle connector)

IEEE 1394 (FireWire



)

Light source White cold cathode fluorescent lamp

Dimensions Width: 12.0 inches (30.4 cm)

Depth: 18.7 inches (47.6 cm)

Height: 5.3 inches (13.4 cm)

Weight Approx. 14.8 lb (6.7 kg)

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

P Power button

IEEE 1394 port

Transparency unit

(TPU) under lid

Document

mat

Transportation

lock

Transparency unit

(TPU) progress light

1 2 3 4 5 6

Résumé du contenu

Page 1 - Basic Specifications

Epson Perfection 4990 Series10/04 Epson Perfection 4990 Series - 1Scanner Parts Scanner SpecificationsBasic SpecificationsScanner type Flatbed, colorP

Page 2 - Scanning and Restoring Photos

Epson Perfection 4990 Series2 - Epson Perfection 4990 Series 10/04ElectricalInput voltage 100-120 VAC ± 10%range Rated frequency 50 to 60HzRated inpu

Page 3 - Using the Transparency Unit

Epson Perfection 4990 Series10/04 Epson Perfection 4990 Series - 33. In EPSON Scan, choose Home or Professional mode. You see a screen similar to this

Page 4

Epson Perfection 4990 Series4 - Epson Perfection 4990 Series 10/044. Lock the film holder cover into place5. Place the film holder on the scanner as s

Page 5 - Transporting the Scanner

Epson Perfection 4990 Series10/04 Epson Perfection 4990 Series - 55. For each thumbnail, select from the following Image Adjustment options (in Profes

Page 6 - Related Documentation

Epson Perfection 4990 Series6 - Epson Perfection 4990 Series 10/046. Slide the transportation lock to the locked position to secure the transparency u