Filter scanner comparison

usb-version:2 ✕ simplex-scanning-speed-grayscale:1-ppm ✕ bit-depth-color:48-bit ✕

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

simplex scanning speed color

1 ppm 1/1

duplex scanning speed grayscale

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

optical scan resolution

3200 x 3200 dpi 1/1

ADF simplex scanning speed grayscale

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

audible noise

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

bit depth grayscale

16-bit 1/1

warranty period

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

Plustek OpticPro ST640
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