940XL- C4909AE High Capacity (2400 pages, 28ml) Yellow x 1. Compatible with HP printer model:- HP Officejet Pro:- 8000, 8000 Wireless, 8500 A809, 8500 A909a, 8500 A909g, 8500 A909n, 8500 All-in-one, 8500 Wireless, 8500A e-All-in-one, 8500A e-Plus-all-in-one, 8500 series, 8500A series.
eBay