HP ADF Tray
CM756-40009
is compatible in the following HP Models:
HP Officejet Pro 8500A e-All-in-One Printer series - A9
HP OFFICEJET PRO 8500A PLUS E-ALL-IN-ONE PRINTER - A910G - CM756A
HP OFFICEJET PRO 8500A PREMIUM E-ALL-IN-ONE PRINTER - A910N - CM758A