Brother MFC-6800 Manual Do Utilizador

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Contrast
The contrast setting is adjustable only when you have selected one of the gray 
scale settings, but it is not available when Black & White is selected as the gray 
Scale.
Increasing the contrast level (by dragging the slidebar to the right) emphasizes 
dark and light areas of the Image, while decreasing the contrast level (by 
dragging the slidebar to the left) ravels more detail in gray areas.  Instead of 
using the slidebar, you can type a value in the box to set the contrast.
Custom
Size
Set the Size to one of the following:
• Letter (8 1/2 
× 11 in.)
• A4 (210 
× 297 mm.)
• Legal (8 1/2 
× 14 in.)
• A5 (148 
× 210 mm.)
• B5 (182 
× 257 mm.)
• Executive (7 1/4 
× 10 1/2 in.)
• Business Card (60 
× 90 mm.)
• Custom (User adjustable from 0.35 
× 0.35 in. to 8.5 × 14 in.)
After you select a custom size, you can adjust the scanning area further by using 
the left mouse button to drag the dotted outline of the scanning area. This is 
required when you want to crop an image when scanning.
Business Card Size
To scan business cards, select the Business Card (60 
× 90 mm.) size setting and 
place the business card at the top center of a carrier sheet.
When scanning photographs or other images for use in a word processor or other 
graphics application, you should try different settings for the contrast, mode and 
resolution to see which settings best suit your needs.
Carrier sheets are available from your Dealer.