Filter scanner comparison

usb-version:2 ✕ bit-depth-grayscale:16-bit ✕ simplex-scanning-speed-color:1-ppm ✕

When disabled: selecting a filter value replaces the current value.
When enabled: you can select multiple values for the same filter (OR logic).

standby power consumption

5W 1/1

scanner daily duty cycle

Unknown. Help us by suggesting a value. 1/1

bit depth color

48-bit 1/1

duplex scanning speed color

Unknown. Help us by suggesting a value. 1/1

feeder tray capacity

Unknown. Help us by suggesting a value. 1/1

ADF duplex scanning speed grayscale

Unknown. Help us by suggesting a value. 1/1

maximum scan size

216 x 297 mm² 1/1

ADF simplex scanning speed color

Unknown. Help us by suggesting a value. 1/1
Plustek OpticPro ST640

Plustek OpticPro ST640
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