I used the calibration sheet that came in the box with the used scanner.
(Found at a charity thrift store for $3USD :-) )
It's a white bar with three black arrows indicating direction, a big white space, followed by a black space. The whole thing is approx. half of a US letter-sized sheet.
I used the calibration sheet that came in the box with the used scanner.
(Found at a charity thrift store for $3USD :-) )
It's a white bar with three black arrows indicating direction, a big white space, followed by a black space. The whole thing is approx. half of a US letter-sized sheet.