Instruct: Classify Amazon reviews into positive or negative sentiment
Query: No TWAIN drivers!

What bothered me about this scanner is that I purchased it to scan documents as images. While it brags about being able to scan documents as PDFs, nowhere does it say that you can not scan things as JPEGs. If I would have know ahead of time that scanning to a JPEG was impossible (or atleast prohibitively difficult), I would have never bought the device, instead I paid to ship it back.