HP 0957-2178 32V Power Adapter OfficeJet/PhotoSmart/OfficeJet Series All-in-One.
HP 0957-2178 32V 940mA Power Adapter For OfficeJet/PhotoSmart All-in-One/OfficeJet Series All-in-One Printers. This is an HP 32V AC Power Adapter with a part number of 0957-2178 for use in various HP inkjet printers.