Under the concept of original cartridge (OEM cartridge) we understand brand-name cartridge made by the OEM printer manufacturer.
Also searched as:
OfficeJet7740, Office Jet7740,
OJ7740, OJ 7740,
OfficeJetPro7740, Office JetPro7740,
OJPro7740, OJ Pro7740,
OfficeJet7740WF, Office Jet7740WF,
OJ7740WF, OJ 7740WF,
OfficeJetPro7740WF, Office JetPro7740WF,
OJPro7740WF, OJ Pro7740WF