Epson Perfection 4990 User Manual (English)

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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

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Epson Perfection 4990 Specifications

General

Scanner type	Flatbed scanner
Color scanning	Yes
Duplex scanning	No
Input color depth	48 bit
Maximum scan size	216 x 297 mm
Optical scanning resolution	4800 x 9600 DPI
Sensor type	CCD
Dimensions (WxDxH)	304 x 476 x 134 mm
Power consumption (standby)	18 W
Power consumption (typical)	27 W
Operating temperature (T-T)	5 - 35 °C
Operating relative humidity (H-H)	10 - 80 %
Pallet width	800 mm
Pallet height	2200 mm
Pallet length	1200 mm
Pallet width (UK)	1000 mm
Quantity per pallet	30 pc(s)
Quantity per pallet (UK)	40 pc(s)
Quantity per pallet layer	6 pc(s)
Quantity per pallet layer (UK)	8 pc(s)
Package depth	590 mm
Package width	250 mm
Package height	410 mm
Package weight	8700 g
Quantity per pack	1 pc(s)
Country of origin	Indonesia