Da Vinci 1.0a not releasing filament

I have a XYZPrinting Da Vinci 1.0a printer that worked for a year but has stopped (for almost a year now). When I go to print something, with a design from my computer and the preinstalled options on the machine itself, the extruder and bed will move as they normally would but no filament is released. The machine also makes a popping sound while "printing".


I've tried about 4 different spools and cartridges and always the same result. I've calibrated the bed to be between 240 and 250, cleaned the nozzle with the brush provided and metal piece to clear the opening. I know the material is not moist as one of the spools used was sealed just before I loaded it to try and still the same result.


I've checked some of the connections directly on the extruder per XYZPrinting customer support and still no luck. I would prefer not to flash the machine or do anything like that as I would like to get help from customer service still but if someone else has had this same issue and knows it fixes it please comment, thanks.


Check that the nozzle is not plugged, clean if needed.



Once complete, you'll see the drive gears. Clean as in this example for the Jr.



A plugged extruder or drive gears that have taken on a lot of filament between their teeth will prevent feeding.


Lastly, when the printer is at operating temperature, once calibrated, confirm that you can slide a piece of paper between the nozzle and the bed.  My DaVinci calibration doesn't work at all. It gets the bed level enough, but it is too low, and my first layer won't stick. I have to calibrate by starting a print, turning the machine off and quickly adjust the bed height to just drag on a piece of paper as I slide it between the extruder and the bed.


If your's is too high, it won't allow the filament to feed. I had this happen on a prior unit that I had to return.



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