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Hops

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  • 3D printer
    Ultimaker S5

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  1. Ive had this same problem on my S5 since i got it, all be it not as bad as yours. Mine seems to happen when the geometry of the print changes abruptly. Ive tightened everything down and still have the same issue. I still have a a month or so on a S3D subscription and will try to print the same model with as close to same settings as possible and use that to see if this is mechanical or software. This is printing using latest Cura, Engineering preset with 0.15 changed to 0.2 and thats it. what you have looks was more severe, check that your shafts are sticking to the pullys. you can do this by taking a black market and marking both at the point where they meet, reprint and see if they are no longer aligned. red lines on uploaded pictures show what i mean.
  2. This is almost certainly a scam. Won’t say how I know (don’t want to tip off scammer). We’ve seen some scams lately. Strongly recommend pickup printer only (not through mail). If they send you a photo of their license – that’s not good enough to trust them. -gr5 (moderator) Interested to sell my S5 It would come with Full sets of all standard nozzles + 1 x 0.6CC, an extra air filter for the air manager and some filament. Pictures of nozzle information are by far the most used. all maintenance done by the book. No damage of any kind and in perfect working order. 4000 € Ships from the Baltics. (the black thing between the doors is just some tape to prevent drafts)
  3. What is the prerequisite for jobs in the queue to have a preview of the models shown? Often mine will look like the attached screenshot.
  4. You are right, you didnt say that specifically. I have contacted support and have sent logs a few times, i think i also did so for the UM3 years ago but we never got it solved. I really hope its something that your teams are looking into and that it does one day get fixed. Other then this wifi issue ive had great support from Ultimaker so i dont want you to think i have all around bad feelings. I just hope you understand that its frustrating when the most expensive piece of equipment that we have what uses wifi does not stay connected to the software built for it. Has your team been able to reproduce the issue ever or is it like ghost hunting?
  5. No sorry thats just not meaningfully true anymore. Maybe in the extremes that you are talking about like putting your router near a microwave but in everyday normal use that you find in most offices and houses it's just not true. My S5 is about 2 meters from the wifi router which is in the ceiling behind ONE layer of gyproc. EVERYTHING else that connects to wifi in this office has a sustainable connection (or at least reconnects itself seamlessly so that ive never noticed) this includes, 3 smartwatches, 4 phones, 3 laptops, apple tv, a desktop running on wifi, home security cameras... everything runs without issue. You saying that wifi isnt a reliable enough technology to run a 3D printer on is kind of ridiculous. To be honest the Ultimaker itself is connected to the router via wifi and shows its MAC address is registered and everything. The broken part seems to be the printer connection to Cura or the cloud. Maybe this is where you need to look. Also the S5 does indeed see (and connect to) 5G connections from the router. We only have 5g in the office and when it stays connected, its via 5G There may be hundreds of printers that run ok on the specific wifi set up that you have tailored to your specific environment. Im just gonna guess here that you have sold many thousands of printers. There are constant complaints about the wifi connectivity of these printers and have been for years and years. This is really something you should look into instead of just saying that wifi as a technology isn't reliable enough and use a cable...
  6. Cura version 4.8.0 MACOS Video of problem: STL / 3mf Attached, made and exported with fusion 360 Body3.stl ARTIFACT UMS5_ec930335-e80d-4de7-85ea-50d81526dc65.3mf
  7. Thanks for all your help! I think you are right that the Alpha version was better, this makes me think its down to line heights and thicknesses and if they add up to a height thats divisible by the height. For example if the change is at 10mm and you have the layer height at 0.1 then it would be at the right height when it hits this change, But if you had the layer height at 0,15 then it would not be correct and would cause this problem more. This is just a guess and ive yet to test it. Will see if i get the chance...
  8. Yes unfortunately this is on every print where there is an abrupt change. There is play in the head, guess ill have to contact my reseller and see if its considered “too much”. To be honest I really hope thats the issue cause then at least there is a possibility to fix it
  9. Ok so heres the finished reprint on the alpha software. Not sure if its the software or that i doubled the triangle count or that i lowered the outerwall speed to 20 but its better. Still has a nasty band at the top and at the bigger change near the middle, none of which are visa le in preview
  10. downloaded the alpha, will give it a try. Here are some pictures of what was printed overnight. Unfortunately this is not something i can handover to client. interesting note that i think it is indeed software related and not a layer shift as the inside is printed beautifully and without the errors....... if only i can find out how to swap outside for inside.
  11. Hei. Thanks for the advice but im not sure what you mean by new version of cura. I am indeed on 4.8, is there a newer one? The printer is well maintained and everything greased / oiled. Not sure what you mean here :S ive added a picture of the whole model currently printing and it has the same issues. thanks!
  12. Hi all, So this happens on alot of models on my S5 and so here i am looking for a solution. At the point where the model has an abrupt change or goes from "C"shaped lines to "O" shaped lines(that go from back and forth to all the way around the model) there is often what seems like a missing outer wall line or that the print head is no longer where it should be for one layer. Please see the attached picture & 3mf file. This is using Cura 4.8 and latest S5 Firmware Thanks! IMG_0241.pdf Small Black Scanner Cover.3mf IMG_0245.pdf
  13. @sj3fk3 Neither of my Ultimakers (3 Extended, S5) have ever worked on wifi reliably. Nor does the one at the Uni that ive worked with or the Ultimakers resellers demo machine. Basically 4/4 does not work reliably on wifi. The idea that wifi isnt as stable as ethernet is a 10+yr old idea that does not really make sense today. If you are in an office thats got tons of glass walls then maybe yea but my router is and has been less then 3m away from the machine, still disconnects constantly from both network and cloud. I and im sure many other people would really appreciate a real explanation for this. Is it just a weak chip? coded for a specific router and we should look for some specifics when choosing an router? Help us out here other then saying its our machine with no way of actually fixing it.
  14. Glad to hear the 2nd one is known and being looked into. I hope this connection issue is fixed in the next release, but im a little sceptical. Im not sure if its a hardware or software limitation but its been around since ive had ultimaker products (about 5 years) across 2 machines, nor am i the first, second or third person to report it, so it seems hardware related and something that wasent addressed in the making of the S5. I understand that there can be several things that can cause issues with wifi but certainly not so many that they can not have been fixed by now.
  15. Can we just not have metal blocks that screw together and hold the bar permanently?
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