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IBM 3800 printer

The IBM 3800 laser-electrophotographic printer of 1975...

The IBM 3800 laser-electrophotographic printer of 1975...
The IBM 3800 laser-electrophotographic printer of 1975 had a speed of 20,000 lines a minute in preparing bank statements, premium notices and other high-volume documents. Laser beam paths were altered millions of times a second and were reflected from an 18-sided mirror that spun at 12,000 revolutions per minute. (VV3103)