> Check out how I solved this problem in my MKII (also works on
an M400).
> The description of the pinch roller issue is about halfway down the
page.
>
great pictures ! martin do the "rounded edge" treatment of all the pinch roller on the m400#1498 . it seems to be a major improvement for me . it increase a lot the grip of the pinch roller on the tape . just like very good tyres on the road !