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V3DPrinting

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  1. Have you checked your machine is perfectly grounded ? No issues with your mains ground ? Have you checked and calibrated the lift switch ? Are your print cores perfectly seated when loaded into the printhead ? If everything else is OK, PCB in the printhead might be faulty or the sensor board.
  2. Maybe you have another machine too close making EMI ? Or it's the PCB ... Ask @gr5, he's the expert.
  3. Is the print core 1 touches the build plate when doing the active bed leveling ? If not, maybe a PCB issue. The one in the printhead.
  4. My BCN3D Epsilon has arrived and will be production ready today. Having some free capacity on one of my UM3E, I have downgraded to 4.3.3. So far, for the first dual extrusion print, my 2 printcores (both 3d Solex Hardcores) are leveled at the same height. So the problem was FW 5.2.11 on UM3E I will downgrade my other 4.3.3 too over the weekend. And not going to upgrade anymore. Again poor non regression tests from the Ultimaker FW team. Thumbs down !
  5. Also having all my Ultimaker printers wired and the S5 host with 2 UM3E slaves. With Cura 4,3 and above, the S5 disconnects frequently from Cura. This may lead to many instances of the networked printer created in the Printers list. Since I've downgraded to Cura 4.2.1 not any single disconnection from Cura. Regarding the disconnection from the web page, I haven't noticed it under macOS 10.14 and Safari, even with Little Snitch
  6. Hi @maht Sure we should have a video call. I am pretty busy with COVID products, but we can manage to make 30 min video call this afternoon after 15.00. Send me a PM with the link.
  7. @ghostkeeper I am not sure, still have the issue with 4.6.1 see my post on GitHub I do not agree at all ! It was perfectly working without ANY disconnection on 4.2.1 see my post from January. In addition, my hardware (printers, firmware, network) is exactly the same with 5.2.11 FW, LAN connection, same Ultimaker cluster. And it's not a WIFI issue as all my printers are wired. The problem is there since 4.3 release. I have just downgraded to Cura 4.2.1 end of the morning, since no more disconnections. Also the networke
  8. @ghostkeeper I have upgraded to 4.6.1, but the same bugs are still there : - material are not loaded properly opening a project (GitHub issue #6626) - some materials cannot be removed (GitHub issue #6731) - disconnections - messing up with the networked printer 4.5 and later have optimized tool path compared to 4.2.1, which is stable, that's why I'm not downgrading a second time. So please fix the bugs !
  9. I hadn't the opportunity to downgrade before the lockdown in France. Since, I'm busy printing COVID parts in single extrusion where there is not leveling issues. I'm expecting a new printer next week and hope to have some slots end of the month to do the downgrade
  10. @ghostkeeper` Any update on these issues. On top of them I also have multiple disconnections with Cura 4.5 and strange behavior regarding the networked printer management. It might be linked with this issue, due to shadow printers not properly purged when uploading a project. See the screenshots. I don't have any logs nor time to explain more. Just have a look at the screenshots. After a disconnection I had this message Trying to reconnect I had the following Weird isn't it ? Another bloody bug in Cura 4.5 !
  11. I do confirm that this wrong behavior / Bug is present on 4.5 and happens when loading a project based on a different printer than the previous one.
  12. No at all, I've created the materials when reinstalling from scratch the 4.2.1 months ago. I know about the fact that the settings are specific to each printer type (and also printcore). The bug is within the same printer type. I create a project using my custom material with 6,5 mm retraction distance on my S5 then save it. Reloading the project, overwriting the printer, material and profile definition, the material is often altered and the retraction set to 4.2 mm (which is not standard nor custom for me).
  13. @ghostkeeper Thanks for the head up. I'm 100% sure, I am editing my custom material : Colorfabb PLA White Quite often, even after carefully saving a project with my own retraction distance (8mm), standby temp (100°C), retraction speed (25), when reloading the project in the day, retraction is set to 4.2 mm, 35 mm/s and standby temp is at 175°C. Exactly the same issues as the bug I've found on 4.4 and 4.4.1. Same bug regarding the disconnections and shadow printer creation. That's my printers connections after half a day working.
  14. Also numerous networked printer disconnections. Basically the PITA as the 4.4 and 4.4.1. Please Ultimaker Team fix the bugs !
  15. @nallath I have finally migrated to 4.5, from my previous 4.2.1 installation The issues are still there, but impact seems to be less. - a new networked printer is created each time I switch from S5 to UM3E. - material settings are altered from the saved project (i.e. retraction setting) After removing all the networked printers, reconnecting my S5, quitting Cura, reopening Cura and loading my project, another instance of my networked printer has been created, not connected. Removing the non active networked printer removes all c
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