Multitester tested for voltage. Lexmark Delta powersupply input: 100 -125V Output: 30V == 0.4A. Round barrel connector withpositive center. Power supply, converter, voltage regulator, transformer, adapter, adaptor, powerpack fits: Lexmark printer models: Z45, Z54, Z55, X73.S&H in the contiguous USA is $5.(insured shipping).Please see other interesting products by JohnGritUSPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 4 days of receiving cleared payment. How long it takes to deliver to your door is strictlywithinUSPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.