Multitester tested for voltage. The ac POWER CORD is included ( a $9.95 value for FREE). Input: ac 120-240V Output: dc 31.0V / 2420mA. Genuine ORIGINAL factory Hewlett Packard HP  Converter, voltage regulator, transformer, adapter, adaptor for the following printers:

Round barrel connector with a positive center.

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.