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Epson Perfection 4990 Photo Specifications

SPECIFICATION
PART NO. B11B175022
Basic
Optical Resolution Main 4800 dpi x Sub 9600 dpi
Optical Density 4.0D Max
Document Size 216 x 297mm (A4, US Letter)
35mm strip film 6 frames x 4
35 mm slides x 8
6 x 12cm (120/220) medium format film x 3 frames
4" x 5" large format film x 2
Interface USB 2.0 Hi-Speed (Type B receptacle connector x 1)
IEEE 1394 (6 pin connector x 1)
Configuration
Photoelectric Device Alternate 6 lines colour Matrix CCD™ with Micro Lens 122,400 pixels
(20400 x 2 lines x 3 colours)
Light Source White cold cathode fluorescent lamp
Sub-scanning Method Fixed document and moving carriage
Performance
Output Resolution 50 – 6400, 9600, 12800dpi
Colours Input: 48 bit (281.5 trillion colours)
Output: 48 bit (281.5 trillion colours)
24 bit (16.7 million colours)
16 bit (65,536 greyscale levels)
8 bit (256 greyscale colours)
1 bit (monochrome)
Scan Speeds (24-bit)
Documents & Photos Full Scanbed Preview 7 secs
A4 Line Art 300dpi 12 secs
A4 Colour 600dpi 29 secs
Films & Transparencies 35mm Positive 2400dpi 57 secs
35mm Negative 2400dpi 58 secs
35mm Positive 4800dpi 113 secs
35mm Negative 4800dpi 93 secs
Scanning Speeds Note: Scanning speed test results vary according to system configuration, dpi setting, and scan mode settings.
Digital ICE™ scan times are dependant on the amount of dust & surface defects being removed. "In general, Digital ICE™ scan times are at least 2x non-Digital ICE™ scan times. " Digital ICE™ does not support traditional B/W nor Kodachrome films.
Functions
Image Quality Enhancer Grain Reduction, Color Restoration, Dust Removal, PRINT Image Matching™ II,
Optimized Auto Exposure, Unsharp Mask with Noise Reduction, De-Screening
with Document Type Optimizer, Tone Curve Adjustment with Histogram
Easy Scanning 1 Push Button, Standalone Application and Scan to File Feature, Multi Purpose
User Interface, Multi Document Auto Detection, Multi Document Auto Cropping,
Auto Skew Correction, Multi Marquee, Thumbnail Preview
Supported Platforms
USB1.1 Microsoft® Windows® 98SE / Me / 2000 Professional / XP Home Edition / XP
Professional (Pre-installed model or upgrade of Microsoft® Windows® 98 /
Me / 2000 Professional pre-installed model) Mac OS® 10.2 or later
(SilverFast®:Mac OS® 9.2 or later)
USB 2.0 Microsoft® Windows® XP Home Edition / XP Professional / 2000 Professional
(Pre-installed model) Mac OS X® 10.2.7 or later
USB 2.0 Host Driver by Microsoft® is required.
* To use the USB port, please consult the documentation provided with your PC for further information about USB connectivity. Please note that errors may occur if non-standard cables or multiple hub connections are used.
IEEE 1394 (FireWire) Microsoft® Windows® Me / 2000 Professional / XP Home Edition/
XP Professional (Pre-installed model or upgrade of Microsoft® Windows® Me / 2000
Professional pre-installed model) Mac OS® X 10.27 or later
(SilverFast®: Mac OS® 9.2 or later)
Environmental Conditions
Temperature 5ºC to 35ºC (Operating)
Humidity 10% to 80% without condensation (Operating)
Electrical Specifications
Voltage 220 - 240V 50 - 60Hz
Power Consumption 27W (Operation), 18W (Standby Mode), 4.8W (Sleep Mode)
General
Dimensions (w x d x h) 304 x 476 x 134mm
Weight Approx. 6.7kg
WARRANTY 1 year Replacement or Repair, Optional Extension to 3 years

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Specifications are subject to change.