Instruction/ maintenance manual of the product Perfection 1240U Epson
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Scanner T echnical Brief—P age 1 6/07 This technical brief pro vides detailed information on the Image Quality , P erformance , and Flexibility of E pson Scanners. Image Quality—F actors affecting image quality When comparing scanners, hardwar e r esolution and color pixel depth are two featur es often used to gauge image quality .
Scanner T echnical Brief—P age 2 6/07 Image Quality—Resolution (cont.) 3. I nterpolated resolution: I nterpolation is a method to increase the r esolution of an image . I t uses a complex algorithm to “ add” pixels to an image based on the mathematical probability of surr ounding pixels.
Scanner T echnical Brief—P age 3 6/07 Image Quality—Pixel depth (c ont.) Key Differences 42-bit, or 48-bit Internal/ 24-bit External Color Depth 36-bit, 42-bit, or 48-bit Internal and External Col.
Scanner T echnical Brief—P age 4 6/07 Image Quality—Epson ColorT rue® Imaging S ystem (c ont.) 1. H ar dware components: E pson scanners use a pr ecise scan carriage with better motors to achieve subscan resolutions that ar e double or quadruple the scanner’ s optical r esolution.
Scanner T echnical Brief—P age 5 6/07 3. Pr ocessing: Many E pson scanners use a custom ASIC (Application S pecifi c I ntegrated Cir cuit) for fast scanning. Key featur es include: Line correction captur es and processes full R GB color for every pixel and minimizes color fringing in subscan direction.
Scanner T echnical Brief—P age 6 6/07 Image Quality—D ynamic Range Dynamic range measures the differ ence between the lightest highlights and dar kest shado ws that a scanner can perceive (on a scale of 3.0 to 4.0). The maximum density rating is referr ed to as Dmax.
Scanner T echnical Brief—P age 7 6/07 Image Quality—Dual Lens Sy stem A unique Dual Lens S ystem, available on some E pson scanners, automatically selects from two lenses for the desired scan r esolution. Some E pson P erfection scanners offers 4800 dpi optical resolution with the High R esolution lens .
Scanner T echnical Brief—P age 8 6/07 P er formance—Ba tch Scanning Epson scanning softwar e supports batch scanning: Without batch scanning, you must scan each image separately . With batch scanning you can defi ne customized settings for each framed original, then capture each one as a separate fi le—all with one scan.
Scanner T echnical Brief—P age 9 6/07 Fle xibilit y—Network Scanning N ewer networkable Epson scanners offer the ability to connect to the network as a device (through a network car d) and don ’ t have to connect through a specifi c scan server .
Scanner T echnical Brief—P age 10 6/07 DIGIT AL ICE technology from Applied Science Fiction(ASF™) is a scanner feature that combines hardwar e and software to remo ve dust and scratches on film and remo ve tears, folds, cr eases, and deep scratches on photos .
Scanner T echnical Brief—P age 11 6/07 Fle xibilit y—Epson Smart Panel™ software Epson S mart Panel allo ws you to scan and send data directly to an assigned application or to the E pson photo-sharing site. Y ou can also obtain photos and documents in digital form quickly and easily .
An important point after buying a device Epson Perfection 1240U (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Epson Perfection 1240U yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Epson Perfection 1240U - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Epson Perfection 1240U you will learn all the available features of the product, as well as information on its operation. The information that you get Epson Perfection 1240U will certainly help you make a decision on the purchase.
If you already are a holder of Epson Perfection 1240U, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Epson Perfection 1240U.
However, one of the most important roles played by the user manual is to help in solving problems with Epson Perfection 1240U. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Epson Perfection 1240U along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
