[GreenKeys] Did UPI and AP printers stay in mor on always or was there motor conotrol?

[Richard Knoppow]

    I have a very vague memory that the machines at the radio stations I 
hung out at ran all the time. When not clacking they were humming.

On 11/20/2016 12:57 PM, Ed Sharpe Archivist for SMECC via GreenKeys wrote:
> Did UPI and AP printers stay in /*motor on*/ always or was  there motor
> control?
>
> Curious as  Our  UPI printers  do not seem to have anything internal
> except wires  going to the coils and  wire  for power to the machine.
> thx  ed#
>
>
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL