What’s the fix for the fluctuating extruder temperature?

Temperature fluctuation fix for v2 Units with the newer Melzi boards (v4.3) This is the “official” Wanhao response for now. If you have erratic temperature swings then this might be the f...

I am getting a “def” error on the LCD

If you are seeing a “def” error message next to the extruder and/or bed temperature indicators on your LCD screen then you most likely have a thermistor problem. The thermistor is what all...

Mk9/10 Filament Loading

Cut the end of the filament off at a sharp angle so the tip is pointed  Carefully straighten out at least the last inch of the filament out (PLA can be brittle). Make sure the extruder has been prehe...

Mk9/10 Filament Unloading

I find it best to unload the filament by heating the extruder up to temperature then after the temperature has been reached press down on the filament tension arm and then push the filament down (feed...