There is an independent forum for Davinci 3D printer users to share ideas. While on the forum I saw they were discussing broken bearing mounts for the Y-axis shaft. So I looked at mine and discovered I had the same issue. The back right bearing mount was cracked at the bottom as seen in the picture below.
I haven't seen any issues from it but I do note that small holes don't seem to print well. I'm not sure if this broken mount has anything to do with it but I want fix it so I can find out. I sent an email request to the support team at XYZprinting and since they were very responsive with the broken extruder, I'm hoping this can be fixed as well. One forum member said they sent him 4 new brackets. I just sent the email request today so we'll see how fast they respond.
One of the forum members (bret4) created a replacement and posted it on Thingiverse. Now this makes the most sense because I can 3D print a replacement before the bearing mount completely comes apart. Why XYZprinting doesn't have the plastic parts as 3D print files for customers to download is beyond me. I hope they eventually do so because then, when this thing is out of warranty, I'll be able to print replacement parts easily.
Some people prefer the Thingiverse mount because its stronger but I'd still like to have a good set of originals to work with. If you have a Davinci 3D printer and have already replaced the bearing mount, comment below how the replacement process went. It looks like it's going to be a pain to replace and some have mentioned on the forum that you have to get the Y axis perfectly square to the X axis or your prints will be off. That makes a lot of sense but also sounds like a very sensitive procedure. I'd prefer to have picture supported directions or YouTube video on how to replace them. If not I may end up creating that.
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