Compatible Models: Designed for FOR HP FOR OFFICEJET Pro 8010, 8018, 8020, 9010, 9012, 9014, 9015, 9016, 9018, 9019, 9020, 9022, 9023, 9025, 9026, 9028 printers for easy installation. Paper Feed Function: Ensures smooth paper output with the main roller shaft gear to prevent jams during printing.