Epson Expression 1640XL

SCANNER TYPE	Flatbed colour image scanner
SUB SCANNING METHOD	Movement of the mirror
PHOTOELECTRIC DEVICE	Colour CCD line sensor
SCANNING AREA
Scanning Platen	310 x 437 mm (A3+)
Transparency Unit	290 x 420 mm
Automatic Document Feeder	297 x 420 mm (A3 or ledger size)
LIGHT SOURCE	Xenon flourescent lamp
OPTICAL RESOLUTION	1,600 x 3,200 dpi with Micro Step Drive
OPTICAL DENSITY	3.6 D
PIXELS/LINE	58,560 pixels
OUTPUT RESOLUTION
	Max 12,000 dpi 50 to 12,800 dpi (in 1 dpi steps)
EFFECTIVE PIXELS	19,520 x 27,520 pixels at 1,600 dpi, 100%
GRAYSCALE
	14-bit (16,384 grayscale levels) external 14-bit (16,384 grayscale levels) internal
COLOUR
	42-bit (4,398 billion colours) external 42-bit (4,398 billion colours) internal
SCANNING SPEED
MONOCROME (Draft Mode)	A4 300 dpi - 14 sec*1
COLOUR SEQUENCE (Draft Mode)	A4 800 dpi - 86 sec*2 A3 300 dpi - 25 sec
EMBEDDED IMAGE PROCESSING
GAMMA CORRECTION	CRT (A,B), Printer (A,B,C), User defined table
COLOUR CORRECTION	Dot matrix printer Thermal printer Inkjet printer CRT display User defined matrix
BRIGHTNESS	7 levels
LINE ART	Fixed threshold TET (Text Enhanced Technology)
DIGITAL HALFTONING	Error diffusion (A,B,C) Dither (A,B,C,D) User defined dither (A,B)
AREA SEPERATION	AAS (Auto Area Segmentation)
SUPPORTED PLATFORMS
	Microsoft® Windows® 95/98/2000, Windows®NT 4.0 Mac® OS 8.1 to 9.X
INTERFACES
	SCSI (50 contact high density connector) x 2 USB* (Type-B receptacle connector) x 1
ENVIRONMENTAL CONDITIONS
TEMPERATURE	5° to 35° C (operating)
HUMIDITY	10% to 80% without condensation (operating)
ELECTRICAL SPECIFICATIONS
VOLTAGE	AC220-240V
FREQUENCY	50 to 60Hz
POWER CONSUMPTION	Approx 45W (without Transparency Unit/ADF) Approx 55W (with Transparency Unit/ADF)
DIMENSIONS (storage)
width x DEPTH x height	656 x 458 x 176mm
WEIGHT	Approx 22kg
*To use the USB port, your PC must conform to PC98 specifications and have Windows®98 pre installed. Consult the documentation provided with your PC for further information about USB connectivity. Note also that printing errors may occur if non-standard cables or more than two hub connections are used.
BUNDLED SOFTWARE
	Epson Scan
Photoshop® Elements 2.0
Silverfast Ai 6.0

Product Options

Usage Conditions
Epson products are designed and made to give highly reliable use and long life when used according to its specifications. With any system, product or device used in situations where human life may be involved or at risk, Epson advises that you should take all necessary steps to ensure the suitability of your Epson product for inclusion in your system, and recommends that you include fail-safe procedures and redundancy support or backup equipment in your system, to maintain the maximum safety margin and optimum system reliability. Examples include but are not limited to – do not interfere with any electrical components within the device, do not use items supplied with the product for purposes other than as intended by Epson (ie mains cords, inks, CDs, plastic wrapping) and do not make modifications to the product.