Genuine HP AC Adapter (0957-2094) for Deskjet, OfficeJet & PhotoSmart printers
This AC adapter (model 0957-2094) is used for a variety of HP printers, particularly in the DeskJet, OfficeJet, and PhotoSmart series. The following list of compatible examples is not exhaustive HP DeskJet 3320, 3325, 3420, 3520, 3550.