pen erratic

  1. R

    Erratic pen operation

    I'm using a Spro and my pen functions very erratically. It will work for a minute and then quit for 5 seconds and then work for 10 seconds and quit for 2 and then work for 3 and quit for 20, and on and on... . At other times it will work properly for extended periods. I'm typically only using...

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