Definitely worth buying. I have an Ender 3 v2 with a 4.2.2 board. I was almost ready to get rid of it as I couldn't get a consistent print after the first few prints. While waiting for this I found at the end that my extruder was loose and the cause the skipping some lines problem was easily fixed. After installing the replacement parts, the print quality is simply stunning! I've seen a lot of complaints about bl touch but to be honest it was very easy to install. The problem I had was that the mount for the bl touch fits either way and mine was upside down which caused the nozzle to hit the bed in front of the bltouch. I've also experienced a black screen when updating because I was using the wrong firmware. I accidentally used ender 3 update instead of ender 3 v2 and then version 4.2.2. You should see your version on the board when you connect bl touch. Adjusting the Z axis is also easy if you understand it with a simple YouTube video. The Bowden cable is long and needs to be shortened. I like it because I have a stash for next year or a friend. The extruder spring was slightly larger than the bearing and put a lot of tension on the roller. This caused the filament to flatten and get stuck in the tube. I switched to a standard spring and it works great. Didn't get this for bltouch but I'm glad I got it! I no longer have to align the damn thing after 2 prints or restart the print after a few hours because then you realize it's an unbalanced rite. The springs are solid, I'm sure this won't be a problem any time soon. straight from creativity, except for the extruder kit. If you're mechanical and comfortable with computers, you shouldn't have any problems other than tweaking here and there. It should also be easy for other people with YouTube and some patience. It took about 3 hours for everything to work perfectly. If I had to start all over again if I knew what I'm doing now. It takes 30 minutes.
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