ADF hinge replacement part compatible with models MF 411, 412, 414, 415, 416, 418, 515, 810, 820, 621, 623, 624, 628, 722, 724, 726, 727, 728, 729, 5840, 5850, and 419.Designed to support automatic document feeder functionality, this hinge smooth for scanning and copying tasks.construction allows for consistent performance under regular use.Installation requires basic tools and standard mechanical knowledge.: FL3-2453-000.