For Xerox® models: (AltaLink) B8045, B8055, B8065, B8075, B8090
Side 2 Scanner Assembly - 801K77731, 801K77730 Genuine Xerox®
From the underside of the SPDH Document Handler. This CCD (charge coupled device) reads the 2nd side of documents when scanning in two-sided / duplex mode.
