Multitestor tested for voltage. This is the factory ORIGINAL genuine HP adapter. The ac POWER CORD is included. Voltage regulator, power supply, powersupply, inverter, adaptor  AC 100-240V and  DC output: 31V 1450mA. This power adaptor works on a large number of Hewlett Packard printers listed below:

HP Business InkJet: 1200d series

HP DeskJet:  955C, 959C, 980c series

HP LaserJet: IIISi  Series

HP OfficeJet: 6000, 6100, 6110, Q1639A, Q1636A, Q1644A, Q1638AR, Q1638A, 6150, 6110xi All-in-One, 7200, 7210, 7300, 7310, 7310xi, 7313, 7400, 7410, D135, D145  Series

HP PhotoSmart: 2600, 2610, 2610v, 2700, 2710, 6100, 6150, 7550, Q1605AR, Q1605A  Series

HP Digital Copier Printer: 410, Q1646AR, Q1646A  Series

PhotoSmart 7550 Printer Q1605A,  Q1605AR

OfficeJet 6110 All-in-One Q1636A

Officjet 6110 All-in-One Q1638A,  Q1638AR

OfficJet 6110xi All-in-One Q1639A

OfficeJet 6150 All-in-One Q1644A

Digital Copier Printer 410 Q1646A,  Q1646AR

S&H in the contiguous USA is $7.(insured shipping).

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USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time.