3.2.2 Spacing (See Figure 3.4.)
The spacing mechanism consists of a carriage shaft which is mounted parallel with the platen, and a
carriage frame which slides over the shaft. A DC motor which is mounted on the bottom surface of
the carriage frame is used to move the carriage frame. The spacing mechanism consists of the
following items:
(a)
DC motor with gear (motor PC board included)
(b)
Carriage frame
(c)
Carriage shaft
(d)
Space rack
(e)
Encoder sensor
(0 Encoder disk
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