Dell E515dw User Manual page 259

Scan Type
Select from a range of scan color depths.
• Black & White
Use for text or line art images.
• Gray (Error Diffusion)
Use for photographic images or graphics. (Error Diffusion is a
method for creating simulated gray images without using true
gray dots. Black dots are put in a specific pattern to give a gray
appearance.)
• True Gray
Use for photographic images or graphics. This mode is more accurate
because it uses up to 256 shades of gray.
• 24bit Color
Use to create an image with the most accurate color reproduction.
This mode uses up to 16.8 million colors to scan the image, but it
requires the most memory and has the longest transfer time.
• Auto
Use for any type of document. This mode automatically picks an
appropriate color depth for the document.
Document Size
Select the exact size of your document from the Document Size pop-up
menu.
• If you select 1 to 2 (A4), the scanned image will be divided into two
A5-size documents.
Continuous Scanning
Select this option to scan multiple pages from the flatbed or ADF. After
a page is scanned, either continue scanning or finish. Use this method to
scan more pages than the maximum ADF capacity.
ID Card Scan
Show Scanner Interface
Select this check box to crop a portion of a scanned page after pre-
scanning the document.
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