Please see my eBay ad for an infrared thermal printer from HP. If you click on my profile, you will see a couple of pickup only items.

hp 82240b infrared Printer w/Extra Rolls | eBay
HP designed the 82240B, a battery-powered, thermal printer, specifically for use with its calculators. It is compatible with the current 50g, 48gII, 39gs, and 17bII+, as well as many past models, such as the 48S/SX/G/G+/GX, 38G, 39G, 42S, and 28C/S.
www.ebay.com