doesn't come with a carrier sheetThe documentation warns against running photos (and other irreplaceable items) through the scanner unless you use a protective carrier sheet, so the documents won't be bent or wrinkled, but that would take an eternity if you have a lot of photos to scan.

Scanning important/delicate items like photos is a lot safer if you sort them by width and scan like widths together, and only scan small things one at a time, or with the carrier sheet)You can't use this scanner without interacting with your computer at some points (you have to pick profiles, etc