Canon CanoScan D646U Product Manual

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Canon CanoScan D646U Product Manual Manual pdf 20 page image

20Precautions for Scanning at High ResolutionsPlease note that file sizes increase almost exponentially as the resolution is raised when scanning incolor mode. Scanning at high resolutions may require more time for scanning and image processing.You are recommended to avoid raising the resolution beyond the minimum requirement to scan incolor mode.File Size Estimates for Scanning an A4 Size Original in Color- 75 dpi 1.6 MB- 100 dpi 2.8 MB- 150 dpi 6.3 MB- 300 dpi 25.5 MB- 600 dpi 102 MB- 1200 dpi 408 MB* These numbers are approximate and may differ from actual scan results.Resolution Guidelines• For uploading to a web site or viewing on a computer monitor, choose 75 dpi• For scanning print photos and magazine clippings, choose 150 - 300 dpi• For printing on a inkjet printer, choose a resolution approximately half the printer’s rating (180 dpi,360 dpi, 720 dpi)A resolution higher than 600 dpi is effective in case for scanning relatively small originals that will beblown up to larger sizes for printing.Scanning at doubleof the resolutionScanning at halfof the resolution12"(30cm)3"(7.5cm)2"(5cm)6"(15cm)4"(10cm)8"(20cm)The maximum size of a file scanned by the bundled PhotoStudio 2000 is limited by Windows Me/98to 256 MB. Windows 2000 Professional does not impose these limits.2.8 MB100 dpi1.6 MB75 dpi6.3 MB150 dpi408 MB1200 dpi102 MB600 dpi25.5 MB300 dpiA4 color image

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