This is NOT a novel concept. I bought Apples Silentype printer in September, 1980, that used a roll of paper. It had a flat disk that went back and forth and used heat to print characters on the paper. You then tore off the page and cut it to the size sheet you wanted. I bought it along with an Apple 2 plus computer and then later bought an Apple 2C, which I kept and used for 12 years. I still have my print outs of those documents. Some are a bit faded but still very much readable.
