The following printers were produced by Atari and styled to match the 400/800
computers.

Atari 820 Printer:  ( = LRC 7000 / Eaton 7000 )
- 40-column impact printer
- 5x7 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 100 )
- 37 characters per second
- 10 characters per inch
- 40 characters per line, upper/lower case and point graphics
- 5x7 dot matrix

Atari 825 80-Column Printer      ( = Centronics 737 )
- 3 character sets:
    monospaced 7x8 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. proportional
- print buffer: 1200 dot columns
- paper: roll, fanfold, or cut sheets
- requires Atari 850 Interface Module or equivalent 

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