Question about HP 12c Calculator
The 0 (zero) key on my HP12C is "loose" and unresponsive and has to be pressed very hard to register. Can it be fixed?
Posted by Anonymous on
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Posted on Jan 02, 2017
It could be some dirt or grit in the keyboard, which a blast or two of compressed air might clear out. It could be a worn dome on the inside of the keyboard.
If you want to have it repaired, there's FixThatCalc, though they're currently not taking new orders. There also have been several threads on opening and cleaning Voyager series keyboards at the Museum of HP Calculators. Here's one article on opening a Voyager.
Posted on Apr 19, 2012
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