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johank

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  1. While the upgrades/add-ons for the Ultimaker original has been discontinued you should still be able to get the spare parts through your local reseller. The Ultipanel rev1.1 is product no 1146 for ease of communication. https://github.com/Ultimaker/Ultimaker-Original-Plus/blob/master/1146_Ultipanel_Rev_1.1/B1146-Z1P-A.PDF
  2. @prb4: Looking through the gcode you posted named 14.09 I can only find a single G10 (retrection) command in the code at the very end. Also the extrusion values are as far as I can tell increasing, never decreasing (only checked for non-strictly increasing in the mathematical sense).
  3. @prb4: It seems the 14.09 gcode does not have retractions enabled.
  4. My guess is the power adapter can't deliver enough juice when the heated bed comes on. Try if turning the heat bed off will allow you to start a print.
  5. johank

    Cura (2.1.2) : How to turn Brim off?

    I think the "None" type in old Cura is actually like "Skirt" in Cura 2.1.2.
  6. johank

    Cura slices model incorrectly, unwanted holes

    In Cura 2.1.2, make sure "Union Overlapping Volumes" under "Mesh Fixes" is checked. The supports should be fine. The missing supports was a problem with the old Cura. That the model is broken is not a Cura issue, but Cura has options to _try_ to fix it. You should always check if Cura does what you expect and if not fix your model in an appropriate modelling software.
  7. johank

    Unusable results with ABS

    For the support Cura looks down vertically from the areas that need support. If the area in need of support is above the platform support is generated if support is turned on regardless of your support choice. If the part that needs support is above another part of the model you have to use support everywhere to generate that support. The model in your last picture doesn't look like it needs support anywhere the support would be build from somewhere on the model. When it comes to troubleshooting have you tried using another spool of PLA filament?
  8. If you are using an official Ultimaker 2 main board you don't need the extra amplifier, just connect the pt100 sensor to the input pins. You might want to change the connector.
  9. johank

    UNUSABLE 1.75 fillament on UM2+

    Hi, To be perfectly clear, the Ultimaker 2+ and every other Ultimaker printer is designed to be used with 2.85 mm filament. Not being able to print 1.75 mm filament is not an error it's a design choice. A printer designed for 1.75 mm filament will never be able to print 2.85mm filament, it simply wont fit. The same is true for a 2.85 mm printer like the Ultimaker, but for other reasons. Please use the correct diameter filament for your printer. Because the Ultimaker is open source people with enough know-how will be able to adapt it for use with 1.75 mm filament. However, this will require some serious modification to the printer. The kind of modifications @SandervG is talking about Best regards, Johan
  10. johank

    UM2 eating up PTFE couplers

    I think Ultimaker is currently using Sunon MC25060V1. When looking at that last picture the dent seems to be higher up than usual and I find the green deposits on the inside kind of strange. What kind of (PLA) filament is that? Also, could you post a picture of the top of your heater block?
  11. johank

    general forum feedback

    @Nicolinux: Do you check "Remember me" when logging in?
  12. johank

    general forum feedback

    Why should you need to strip away the youtube.com part. Seems cumbersome and error prone to copy part of the link only. I think it would be more intuitive and easier to allow "https://www.youtube.com/watch?v=...." to be pasted. I can't see why that would make it harder to figure out which video should be embedded. You can still allow "/watch?v=...." since that already works
  13. johank

    UM2 making me crazy

    When Marlin starts it checks EEPROM_VERSION of the current firmware versus a string stored in the EEPROM, if they match Marlin loads the stored settings from the EEPROM. If you have saved your settings to EEPROM and rebuilds Marlin with different motion parameters but with the same EEPROM_VERSION the saved settings will override the defaults on load until you manually restore the defaults. Factory reset is one way of reseting the defaults. Cura could connect to the printer after the firmware has been installed and reset the settings to default, but I don't think it does.
  14. johank

    UM2 making me crazy

    Does lowering the speed help with the problem? It could be that the E-steps isn't setup right. Best way to actually test is to connect the printer to your computer using Pronterface (or similar) and tell it to feed 10cm and measure. When installing a custom firmware you sometimes need to do a factory reset for the default settings to actually get loaded. Some other culprits could be the Olsson block touching the fan bracket or the hot-end cooling fan (middle) not blowing enough.
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