I've said this before - but this is just a reminder. I'll be breaking BOTL over time in order to get it into a far better place. Just be patient if you can't reach us! We'll be back
There are a lot of things that can go wrong when preparing a cup of coffee. A clean grinder is a part of a good cup equation. You do want to keep it clean, especially from build up of darker roasted coffees. I see you are already addressing that specifically in another thread.