Introduction
Connector for
oarallel interface
Optional serial interface
(punch-out tab)
Lower casing
board
unit
- . Power switch
Figure l-5. The main components of the Gemini printer are the power
unit, the control board unit, and the printer mechanism (which features a
detachable tractor).
The control board also contains the buffer that allows your
computer to send a batch of information to be printed, which
Gemini then stores until it can get to it. Although Gemini is a fast
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