Thanks for the reminder Paul. I was going to check and see how much ash there was after about 6 1/2 to 7 1/2 hours of usage/that would include the rolls, chicken and imitation burnt ends but spaced it off.
Here's what I found.
Attachment 306003
Attachment 306004
I didn't find any ash on the stainless piece that directs the grease etc away to the bucket and there wasn't any ash on the beef last night so it looks like I cleaned it before it got carried away.