These printers use the CC656AN cartridge:

HP DeskJet P-2500

HP OfficeJet 4500

HP OfficeJet 4500 G510G Wireless

HP OfficeJet 4500 G510N Wireless

HP OfficeJet 4500 All In One

HP OfficeJet J4500

HP OfficeJet J-4525 All In One

HP OfficeJet J-4535 All In One

HP OfficeJet J4540

HP OfficeJet J4550

HP OfficeJet J4580

HP OfficeJet J-4580 WESTERN EURO SHIPMENTS

HP OfficeJet J-4585 All In One

HP OfficeJet J4640

HP OfficeJet J4680

HP OfficeJet J-4680 C

HP OfficeJet J-4680 WESTERN EURO SHIPMENTS