DESCRIPTION
20509 Issue 7 Jan 2018 2-21
The shaft encoder is attached to the product line and produces electrical
pulses as it revolves. There are a fixed number of pulses to each revolution.
The printer is set up so that character stroke rate or print speed is
controlled by these pulses instead of by the internal character width control
(see LK6 on
page 4-35). As the line speeds up or slows down, the shaft
encoder pulses change speed and change the speed of printing.
The exact type of shaft encoder depends upon the installation and more
details of the factors to be considered are given in Appendix A.
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