Nord User Forum

Dear Fellow Nord users.
I just picked up a Electro 6D at a great price. But when I received it, they seem to have used acetone (or some other plastic melting solution) on many of the keys to remove some permanent marker. To mend the melted surface, they have sanded many keys. It's not bad to play, but looks horrible.
Anyone with experience restoring the surface of the keys?
I'd hate to replace 20-25 keys just because of this.
Also, which Fatar does the 6D have?