[GreenKeys] Run teletype model 15/19 keyboard and printer on different circuits?

[Windows XD]

Dear all,

I was working on the teletype when I had an idea. I have already picked up
a solid state relay capable of switching faster than the 45.45 baud needed
for the teletype for something else I'm working on with the teletype, and I
was wondering if it would be possible to run the keyboard on a 5vdc circuit
wired to said solid state relay and have the keyboard run on 5vdc and the
selector magnets at 120vdc. I can't think of any obvious problems with
running the keyboard at this lower voltage, but I'd like to be sure.

I'm not sure I explained it super great so I've attached a schematic,
although I'm not sure if it's any better than my explanation.

P.S. My keyboard has arcing problems with the contacts, will this
modification coincidentally also fix that?
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