The size of a scanned document depends on what the scanner it set to. Scan mode & DPI affect the file sizes Some scan modes: color, gray-scale and black and white. 16-bit Color, 300 DPI will look great but create huge JPG and PDF files. Black and white at 100 DPI will be grainy but create very small files.
The fi-7260 provides unmatched performance and market-leading document imaging capabilities. The device scans A4 portrait documents at 60 ppm/120 ipm (200/300 dpi), and is capable of loading up to 80 sheets at a time and scanning up to as many as 9,000 sheets a day. Versatile scanning with both flatbed and ADF.
Being compact and multi-functional, the iX1300 is the perfect model for a hybrid workstyle. Offering two methods of scanning; U-turn Scan for continuous scanning and Return Scan for folded documents, cards, etc. Speedy scan up to 30 ppm/60 ipm (A4-size documents, color, duplex, 300dpi) "one-touch" simple operations. Space saving for anywhere use.
Why We Picked It. The Canon CanoScan LiDE 400 is an under-$100, entry-level flatbed photo scanner. But it fills a nifty niche for nonprofessional photographers who need to scan both photos and
that uses the full resolution of the scanner’s CCD, even scanning at a lesser resolution. The benefi t of this feature is truer image quality. For example, on one of the Epson 600 dpi Perfection scanners, when scanning an image at 300 dpi, the scanner still uses all 600 pixels per inch to scan the image, then
One way you can test the effect of increased scanning resolution: 1. Make a series of scans at various resolutions. 2. Now, using a package such as ImageMagick or NetPBM, do some processing: a. Try expanding the 300 dpi image to 600 dpi using appropriate intermpolaton (usually bi-cubic) b. Now, subtract one image from the other.
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200 dpi vs 300 dpi scanning
