YATUNINK 1 PK Remanufactured 940 Printhead Black / Yellow C4900A Use in Officejet Pro 8000 8500 8500A 8500A Plus 8500A Premium Packing List: 1 PACK 940 Black/Yellow Remanufactured Printhead C4900A. Perfect Warranty - Returns policy. Compatible with: Officejet pro 8000, 8500, 8500A, 8500A plus, 8500A premium. We Promise: All products covered by a 100% satisfaction guarantee and 90 days warranty. If you have any question, please contact us directly, we will provide high quality after-sales service, to ensure the customer's shopping experience.