A review of the Hewlett Packard HP 82240A printer
Vtg 1987 hewlett packard hp 82240b portable infrared printer for hp calculators this item is in the category consumer electronics\vintage electronics\vintage calculators. It was battery powered (4 x AA) and used an infrared interface. This is a working model, Serial 3006S50599. It could be because the paper thermal roll is too old (about 15 years) or the printer needs cleaning.