What are the Atari 820, 822, and 825 Printers?
The following printers were produced by Atari and styled to match the 400/800 computers. Atari 820 Printer: – 40-column impact printer – 5×7 dot matrix – 40 characters per line, upper & lower case alpha – horizontal and vertical alphanumeric characters – 6507 microprocessor, 6532 RAM I/O chip, 2K ROM – 40 characters per second – uses Standard Roll Paper/adding machine paper Atari 822 Thermal Printer: ( = Trendcom Model 100 ) – 37 characters per second – 10 characters per inch – 40 characters per line, upper/lower case and point graphics – 5×7 dot matrix Atari 825 80-Column Printer ( = Centronics 737 ) – 3 character sets: monospaced 7×8 dot matrix at 10 characters per inch monospaced condensed at 16.7 cpi proportionately spaced Nx9 dot matrix at avg of 14 cpi (N=6..18) – all characters can be elongated (printer double width) – characters per line: 80 at 10 cpi; 132 at 16.7 cpi – speed: 50 cps at 10 cpi; 83 cps at 16.7 cpi; 79 cps avg.
