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    Ultimaker 2

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  1. Thank you for clarifying that. I will use the term feeder skipping, then. The material in the video is indeed not PLA. It is PETG and I have had lots of successful prints with that very filament until the feeder out of nowhere started skipping. However, the skipping happens on all my filaments: Official Ultimaker PLA, no-name ABS and no-name PETG. A list of possible causes would be very welcome. Thank you a lot for your reply and your effort, Morten
  2. With my Ultimaker 2 I see this: Problem My feeder backlashes at a frequency of roughly 1Hz. This leaves gaps in my prints because filament pressure on the nozzle disappears for a quarter of a second or so every time. See this video It happens with all my kind filaments: PETG, PLA and ABS The malfunction started out of nowhere. I had finished a print and was about to start the next. Then the backlashing began. Perhaps I changed filament, but I dont remember. What I have tried I have cleared the bowden tube. It is easy for me to push filament through the removed bowden tube without force. I have cleared the nozzle using the atomic method. Help Does anybody know what I can do to ensure a steady flow of filament. Preferably by fixing the backlashing. Best regards, Morten
  3. mowijo

    Cura hangs

    Hello Nallath and thanks for getting back to me so quickly. Logs? Definitely. Where do I find them?
  4. mowijo

    Cura hangs

    Cura 3.2.1. Linux x64 when I start cura this happens me@host:~$ ls -la `which cura` lrwxrwxrwx 1 root root 29 Apr 5 2018 /usr/local/bin/cura -> /opt/cura/Cura-3.2.1.AppImage me@host:~$ cura Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: non-double matrix element Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: non-double matrix element Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 80: saw unknown, expected number and the splash screen gets stuck at "Loading machines". I deleted me@host:~/.config/cura without any difference. Then I deleted the config atain and tried downloading and ran Ultimaker_Cura-3.6.0.AppImage Then cura hangs when setting up my machines. Yesterday cura worked flawlessly and after a reboot this morning it always hangs. What do I do now?
  5. Thanks a lot. I will see how that works once I get some wax-mix extruded. I will mark this as solved until proven otherwise by me
  6. Hi there. (Temperatures in celcius) I am experimenting with making my own wax based filament, and for that I need a very low nozzle temperature. The specifications specify 170 as the lowest the UM2 can go. but I need to go all the way down to 50 degree in nozzle and 30 degree on build place. Is there any way to obtain such low temperatures? I am open to alternate firmware if nessecary. Best, Morten
  7. So, the "ERROR - STOPPED Temp sensor BED" happened to me. I have tried all the waiting, cooling down, rebooting, magic wishing I can and I have started googeling instead. It seems like there can be a lot of reasons, so I have started with the bed. First I checked for loose connections and next I re-soldered the screw terminal - that didn't help much. Before I take the printer more apart, I want to confirm that the bed is healthy and I plan to to that by measuring the electical resistance of the bed while it is disconnected. My question is there fore: What should the resistance of the heating element be and what should the resistenance of the sensor be on a healthy bed whgen disconnected? Cheers, Morten
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