Belated followup: I still haven’t tried cleaning the belts, but I did try just re-cutting the same piece (the large front panel for this project), with it more centered in the cutting area, and it had a little bit less variation.
Belated followup: I still haven’t tried cleaning the belts, but I did try just re-cutting the same piece (the large front panel for this project), with it more centered in the cutting area, and it had a little bit less variation.