That measure, as proposed by Democratic state Senator Peter Harckham, would ban retailers from automatically printing paper receipts, unless a customer asks for one. In his version of what he ...

Once the design was ready, the image was sliced into strips that matched the width of the receipt paper. Printing over 1,000 feet of paper wasn’t without its issues, so [Davis] designed a custom ...

Most store receipts are printed on thermal paper, which uses heat-sensitive inks called leuco dyes. When a hot printhead passes over them, these dyes react with an acid developer embedded in the paper ...