These printers use the CD975AN cartridge:
Click On a Printer to View it's Cartridges
          HP OfficeJet 6000
          HP OfficeJet 6000 Wireless
          HP OfficeJet 6000 All In One
          HP OfficeJet 6500 AIO
          HP OfficeJet 6500 A
          HP OfficeJet 6500 A Plus
          HP OfficeJet 6500
          HP OfficeJet 6500 All In One
          HP OfficeJet 6500 Wireless
          HP OfficeJet 7000
          HP OfficeJet 7000 Wide Format
          HP OfficeJet 7500 A - E910
          HP OfficeJet 7500 A
          HP OfficeJet Pro 6500
          HP OfficeJet Pro 6500 Wireless