Duplex Feed Pickup Roller compatible with L4150, L4160, L6160, L6161, L6166, L6168, L6170, L6171, L6178, L6190, L6191, L6198, ET-2750, ET-3750, ET-4750 printers.This replacement part is designed to restore functionality of the duplex feed mechanism.It installs as a direct replacement for the pickup roller and is intended for use in the same models listed in the product title.