I have a new issue. I have successfully printed the same types of models that are tall and very long prints (over 24 hours) several times in the past. Recently I have tried to print a similar model three or four times now and it looks fantastic for almost 24 hours straight and then it will turn into a spaghetti mess and I have no idea why. I am using a microswiss hotend with the regular nozzle not the CHT one. I have PID tuned. But I did notice something that makes me wonder if it is the cause.
Because the prints keep failing when the gantry is at a very high z height, I noticed that when I home the printer after the failure from that Z height that the cable drags across the linear rail and bumps and brushes against the belts on that rail and the gantry rail next to it on the X axis. Could it be rubbing the belts and causing missed steps or something at this z height resulting in the spaghetti mess? All other shorter prints work fine.
