515 Gear Box Paper Feeder Unit for printer models 518, 519, 514, 532, 617, 515, 508, 510, 511, 531, 538, 610, 618.This gear assembly is designed to support paper feeding functionality and is compatible with the specified printer series.The unit is built for and consistent performance in regular printing operations.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.