node-twain
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How get 2 side image?
Since I can get the image from both sides, it usually only lets me have one side of the image, but I don't know how to tell it to output both. @Luomusha ?
According to the twain-specification, you need to set Capability : CAP_DUPLEX
This is how the method should be called
session.setCapability(CAP_DUPLEX, TWDX_2PASSDUPLEX)
However, this method “setCapability” has not been implemented yet. I don't have a scanner now.