This is the 2nd unit I've owned. The 1st one I had for many years until the lamp started going bad, and the ADF was damaged a couple years ago. This brand new unit works great! I couldn't be more pleased. Not only did it cost way less than the 1st one ($300+ vs.

EXCELLENT SCANNER

HP Scanjet 5590 With Auto Document Feeder (ADF) ADF Speed 8 ppm (more speed in lower resolution) ADF Paper Capacity 50 sheet Scan Size Maximum 8.5" x 14" (1 sided through ADF) 8.5" x 12" (2 sided through ADF) 8.5" x 11" (manual) Ubuntu Linux Compatible - Sane Support (Complete)

Papers get stuck while scanning a bunch.