Make sure your 3Doodler PRO+ is turned on and heated up to the proper temperature for the material in your pen. Once it is, carefully remove the nozzle with the nozzle removal tool. After it has been removed, insert the unblocking tool in through the pen tip and engage the reverse function. This should push any clogged material out of the back of the pen, thus clearing any clogs. Note that you can also remove the magnetic maintenance panel for greater access to the feeding mechanisms.
If you’re still having issues after trying this, please contact us at [email protected] and we will be happy to help you troubleshoot your device.