first of all I want to preface this with the fact that I think the UMO+ kit is the best value for quality and cash out there, great printer all around and I love this kit to no end.
#1- yes this is still an issue on the kits I've seen in the last year, but the addition of the "spare parts bag" has greatly helped this. I have seen 'wrong" parts as well...for example instead of a 2.0mm hex driver they ship a 1.5mm hex driver(not use at all for the kit) OR the wrong PT100 cable (as in they packed the ~42inch one for the UM2 and not the ~63inch one for the UMO+ a bothersome error since you may not notice this until you've completely assembled almost everything and are trying to attach the electronics) OR they send you a table spring in place of the extruder tentioner spring. I recommend doing a full parts inventory before starting your build. I have posted a link to the spreadsheet I use here.
#2 - Yes extra tools are needed. as listed here BUT you can ignore the counter sink bit.
#3 - yes still get these.
#4 - no this has been fixed. I have not had to counter sink the heated build plate for over a year now. I'm very pleased this has been fixed.
also I still use my annotated build notes since the official version has errors. I'll check the version I have posted...i think I may have a v2.3 now.
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neotko 1,417
1) It can happen. It didn't to me
2) Not that I can think right now
3) Maintly there are 2. The belt tension springs are no use at the beggining. And the z cable grip it's still undocumented on the manual but isn't a must. Its easy to install anyhow.
4) On my first umo kit it was perfect. The second one also perfect. But the umo bed kit needed some work on the holes. It just takes 5mins with the correct tool.
For me the only weak point of umo+ it's the mxl belt/pulleys. I think it's a must to buy/install a gt2 upgrade as soon as you can.
https://ultimaker.com/en/community/15874-mxl-vs-gt2-print-results
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