Brother MFC-9460CDN Software User's Manual page 162

Scanning
24bit Color

Uses up to 16.8 million colors to scan the image.
Although using 24bit Color creates an image with the most accurate colors reproduction, the image file
size will be about three times larger than a file created using the 256 Color option. It requires the most
memory and has the longest transfer time.
Document Size
Choose one of the following document sizes:
 A4
 JIS B5
 Letter
 Legal
 A5
 Executive
 Business Card
To scan business cards, choose the Business Card size, and then place the business card face down at
the top left of the scanner glass, as indicated by the document guidelines on the machine.
 Photo
 Index Card
 Photo L
Photo 2L

Postcard 1

 Postcard 2 (Double)
Custom (User adjustable from 0.35  0.35 in. to 8.5  14 in. or 8.9  8.9 mm to 215.9  355.6 mm.)

After you choose a custom size, you can adjust the scanning area. Click and hold the mouse button as
you drag the mouse to crop the image.
Width: Enter the width of the custom size.
Height: Enter the height of the custom size.
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