(3)vertical four-in-one:
Note:
• "Manual adjustment" in "N-in-1" and "Zoom" cannot be set at the same time.
• "N-in-1" does not support "Duplex -> Duplex" copy mode.
Advanced portrait
According to the original you use, adjust the "brightness" "contrast", "original background
elimination" and "sharpness" in the advanced portrait to improve the copying effect.
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