Konica Minolta C550 用户手册

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页码 415
Scanning
2
C550
2-89
3
Select the color type.
4
Touch [OK], and then touch [OK] in the next screen that appears.
Background Removal (Quality Adjustment)
The scanning density of the document background can be adjusted. When 
documents printed on colored paper are scanned in color, the background 
may become black. In that case, the density of the background can be ad-
justed.
1
Touch [Scan Settings] in the Fax/Scan mode screen.
2
Touch [Quality Adjustment].