Hi all.

I bought a Yamaha DGX620 about 3 months ago and recently, I noticed that the keys I use most often have become a bit loose. It feels like those keys are not firmly attached to the hammers anymore and when played, you can feel some vibration from the plastic keys making contact with the hammers. This made the keys quite noisy when played. It's most noticeable when playing staccato or ragtime pieces. I know this is an entry-level digital piano but can someone tell me if I'm the only one with this issue or does this happen on all digital pianos some point in time. I do play on my DGX620 quite extensively, probably 1 to 2 hours a day, and the pieces I play are fast-paced.
Thanks.
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Steven - videogame and anime pianist...