- Joined
- May 7, 2013
- Messages
- 440
- Reaction score
- 165
Some of the buttons of my friend's FR-2 are kind of sticky. Their action is not smooth. It is noticeable particularly when playing pieces with fast movement.
What can I do the smooth the action? Can I use electronic contact cleaner?
What can I do the smooth the action? Can I use electronic contact cleaner?