HP Button
C7281-40005
is compatible in the following HP Models:
HP PSC 500 All-in-One Printer series
HP PSC 500/500XI ALL-IN-ONE PRINTER - C7281A
HP PSC 500/500XI ALL-IN-ONE PRINTER - C7282A
HP PSC 500/500XI REFURBISHED ALL-IN-ONE PRINTER - C7281AR