HP OfficeJet Pro 8620. It's an all-in-one, but interestingly the best scanner for such purposes I've found so far (I'd love to find a better one). Scans both s

HP OfficeJet Pro 8620. It's an all-in-one, but interestingly the best scanner for such purposes I've found so far (I'd love to find a better one). Scans both sides, up to 50 pages in a batch. Open-source drivers, works well with Linux. Ethernet. Can drop it on on your SMB share.