Unfortunately, the scanner is not running optimally. You are welcome to take over my used one and test it once.

no idea and I sold it because it didn't meet my needs

I can't answer that as I am 'travelling' with Windows.

Hello ! Yes, it works perfectly on both Mac and PC.

According to information on the Internet yes

Yes, everything is running smoothly for me.

No idea

Ah sorry, I may have told you some rubbish. It runs better on older Mac OS. It's a bit bumpy on the brand new OS.
And as I said before. I'd be happy to sell you mine for a favourable price