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smith corona sd700 making a loud sound

sparkling

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Joined
Jan 7, 2026
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Whenever I turn on my smith corona sd700, the daisy wheel spins, but then it just makes a super loud grinding noise (brrrrrrr) and won't type
I noticed a small gear behind the carriage wire shifts slightly and then just gives up

I can’t find anything about this specific model online, is it toast?
Does it sound like a stripped gear, a seized motor, or just a really bad jam?
any help or links to the manual would be amazing
 
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