This printer has been outstanding! After 6 months and over a thousand hours of printing it has been near flawless. After a month of near constant printing I did have a failure of the Bowden tube, it was slipping from the connectors. I replaced that with a Capricorn tubing and connector kit and had no further trouble. The only other issue I had was with the plastic extruder drive feed arm. I upgraded to a HICTOP Upgraded Replacement Aluminum MK8 Extruder Drive Feed and it has worked perfect. I did switch to a direct drive extruder from https://www.fargo3dprinting.com/products/ender-3-direct-drive-upgrade-kit/ in preperation for some testing on soft materials. The Fargo 3D kit has worked very well, but I am going to try the PrinterMods kit next time because it has the provisions for multiple hot ends. I use 0.4MM brass nozzles from AJSPOW, I inspect every one and they have all shown great workmanship and quality. I am planning on remote mounting the electronics and building an enclosure so I can print ABS for another project. I am tempted to purchase another one of these printers due to the fact that I have more projects that are ready but waiting for printer availability. One day in the future I am going to build a COREXY printer, probably the VORON 2.2 http://vorondesign.com/voron2.2 , but have zero complaints with this Ender 3 Pro and have not seen a better printer anywhere near the price of these.
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