About two years ago, I started running into a problem with our print farm: the filament sensors on the printers began to fail. It was a very specific failure: the filament sensors started producing erroneous out-of-filament reports. That means that the printer would pause and beep, requesting new filament since it had run out. But… Continue reading False positives on the filament sensor on your Prusa Mk3? Here’s how to fix it.