Huion Kamvas 13 Pro, and HUION Slim Pen PW550S 9.5mm inverts pen pressure

No matter what I seem to do, even after having returned a pen in exchange for another duplicate the pen's pressure inverts. While hovering it's at it's maximum 8191, and when you apply pressure the number goes down instead of up. This is all while the pen it came with works fine with the proper pressure.

So far I have tried two different PC's, one windows 10, and another ubuntu and have tried reinstalling the drivers on both but they present the same issue.

  • Hi Jacob, I'm sorry about the pen pressure issue you're experiencing. May you please provide the first 7 digits of your serial number? You can find it at the back of your tablet, which starts with S/N. This will help me determine which Kamvas Pro 13 version you have. Looking forward to your reply.

    Best Regards,

    HUION Customer Support

  •  Serial numbers are:

    Tablet: S/N: B4DB2SHxxxxxx

    Pen: S/N: D4PN7SHxxxxx

  • Hi Jacob, thank you for providing your serial numbers. I have updated your serial numbers, so it won't show the entire number for security reasons.

    Based on your tablet's serial number, you have the Kamvas Pro 13, and the compatible pen is the Battery-free Pen PW507. Sad to say, the PW550S pen is only compatible with models that use PW517. Thus, I'm sorry to inform you that the reason why you are experiencing the inverted pen pressure is due to pen incompatibility.

    If you can still return your pen and get a refund, kindly contact the seller where you purchased your PW550S pen from. If you purchased it from our official online store, you could send an email at or create a ticket here. You can either request a return and refund or request an exchange for a PW507 instead.

    Best Regards,

    HUION Customer Support

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