The following printers are compatible with HP 940 ink cartridges

HP Officejet Pro 8500 All-in-One series - A909

HP Officejet Pro 8000 Printer series - A809

HP Officejet Pro 8500A e-All-in-One series - A910

HP Officejet Pro 8500A Plus e-All-in-One series - A910

HP Officejet Pro 8500A Premium e-All-in-One series - A910