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g.davis

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  • Field of Work
    Education
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    SK
  1. Well, I did learn some strange behavior of this bug if anyone is seeing or experiencing this... If I send the print over the network it will lose connection after 10-20 minutes of printing. If I abort the print manually and restart it locally after clearing the build plate it appears to stay connected for the duration of the print. I will try using a USB next.
  2. I know this post is long dead so I understand if no one follows up... I am having this exact same issue! We have 3 Ultimaker 3 printers on our network and there are regular issues with at least one printer disconnecting after 20 minutes of printing. At this time the only way I have found to fix it is to restart the printer. Obviously this is a pain because on long prints that means the printer is connected only the first 20 minutes or so. (So... for most of every print.) I also wish it was a consistent issue, at this time it appears only sometimes. OS X laptops - Mojave 10.14.6 Cura - 4.3.0 Ultimaker Firmware - 5.2.11.20190503 The printer that most often cuts out has been reset and had is firmware flashed more than once to try and fix it. Is it possibly a network power save "sleep" issue? I remember an issue years ago with Apple network cards that would get stuck at 54mbps after the network tried to enter low power mode but then never "woke up."
  3. I will try and see what I can put together. I just reinstalled the app. I do my best to keep everything updated so not sure why it popped up again, I have Oreo on my phone. Not sure if that effects anything.
  4. Hey, I just saw this duplicate thread over in firmware and wanted to pass on what I have found...
  5. Hey! I don't know if anyone is still following this but I found a workaround for this!! It is the NFC. That sounds strange but after months of troubleshooting this exact issue on my Galaxy S8+. It disconnects as soon as the printer recognizes any filament NFC chip. Select the filament manually and see if that works for you. It works for me immediately. Firmware updates only seem to fix it for me temporarily.
  6. Ok further troubleshooting and it seems to be all NFC enabled filaments. The disconnect is instantaneous. When adding the filament it goes from connected the "Maintenance" screen straight to cannot connect. When the NFC feature is overridden with a manual material selection it magically connects again.
  7. This is the weirdest issue that I have been troubleshooting for months. I have a lot of trouble connecting to my UM3 both with Cura (all OS X versions) and with Ultimaker 3 android app (v1.0.1). When I load Ultimaker PVA onto the printer it disconnects and refuses all control connections. I can always see it with the manual IP address and pings come back fine. When I remove the NFC PVA and select PVA manually I have no issues. The only exception appears to be after a firmware update it will connect until the printer is restarted. It is almost acting like port 80 (control port) stops listening as soon as the NFC chip recognizes a spool of filament. I have tried resetting the printer to factory defaults and clearing the Cura Connect cache. Does anyone else experience this? I am a teacher on a medium-large network. We are an Apple network but I have an Android S8+ (Oreo). At this time I am no longer suspecting this is a network issue but a weird bug.
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