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  1. tkoco
    Post

    Mosquito hotends?

    I would say that differences in the overall length would be a major concern.
    Post by: tkoco, Oct 31, 2020 in forum: General Questions
  2. tkoco
    Post

    Robo R2 Black/Grey Screen

    Power supplies can develop a major noise problem ( a rare type of problem ). At least now you know, for certain, where the problem is.
    Post by: tkoco, Oct 28, 2020 in forum: Troubleshooting
  3. tkoco
    Post

    Robo R2 Black/Grey Screen

    Just for the sake of completeness, please try swapping the power supply between the printers and see if the flawless working printer continues...
    Post by: tkoco, Oct 28, 2020 in forum: Troubleshooting
  4. tkoco
    Post

    Outer wall 'delaminations'

    Might be debris in the nozzle. Have a look at this article: http://community.robo3d.com/index.php?threads/purging-the-filament.23661/
    Post by: tkoco, Oct 24, 2020 in forum: Troubleshooting
  5. tkoco
    Post

    Under extrusion, a lot...

    It certainly will not hurt to replace the main board. I was considering the cost of repair and heat sinks would be less expensive.
    Post by: tkoco, Oct 24, 2020 in forum: Troubleshooting
  6. tkoco
    Post

    Power Supply Fan Whine

    Nice to know about the fans of the power supply. I was referring to the internal fans of the printer ( like the ones at the hot-end ), not the...
    Post by: tkoco, Oct 24, 2020 in forum: Troubleshooting
  7. tkoco
    Post

    Please read this message FIRST

    Backups of the firmware settings and RoboOS can save you when one or the other gets corrupted.
    Post by: tkoco, Oct 21, 2020 in forum: Troubleshooting
  8. tkoco
    Post

    PID calibration

    It's 6 months since the problem was posted. Did everything work out for you?
    Post by: tkoco, Oct 21, 2020 in forum: Troubleshooting
  9. tkoco
    Post

    R2 FAQ

    Slicing software can introduce problems. Point in case: I use the appimage version of Cura under Linux. The latest version is 4.7.1. I was running...
    Post by: tkoco, Oct 21, 2020 in forum: Troubleshooting
  10. tkoco
    Post

    Under extrusion, a lot...

    https://www.partsbuilt.com/mainboard-replacement-r2-robo-3d/ According to an article posted for this part, the problem might be the heatsinks....
    Post by: tkoco, Oct 21, 2020 in forum: Troubleshooting
  11. tkoco
    Post

    What are the exact steps to turn off autoleving in R2?

    Always leave in the G28 command so that the hot-end always starts from a known position. Makes for repeatability while printing.
    Post by: tkoco, Oct 18, 2020 in forum: General Questions
  12. tkoco
    Post

    Power Supply Fan Whine

    Actually, the main board steps down the voltage for the fans to 12 volts. The 24 Volt power drives the hot-end heater and print bed heater. If the...
    Post by: tkoco, Oct 18, 2020 in forum: Troubleshooting
  13. tkoco
    Post

    Printer runs checks then stops working

    Please keep in mind that if this problem should reoccur, you might want to look at the power supply for the printer. Several members have reported...
    Post by: tkoco, Oct 18, 2020 in forum: Troubleshooting
  14. tkoco
    Post

    Stringing

    Very interesting.
    Post by: tkoco, Oct 18, 2020 in forum: Filament
  15. tkoco
    Post

    Garolite Bed for Robo R2

    Now that you have been using the garolite surface for a while, does the surface smooth out to the point where models do not stick well to it?
    Post by: tkoco, Oct 18, 2020 in forum: Show and Tell
  16. tkoco
    Thread

    Utility Use of 3D Printing

    My daughter showed me the lid to her crock pot. [ATTACH] So I designed a replacement knob for the lid using FreeCAD. [ATTACH] The center...
    Thread by: tkoco, Oct 8, 2020, 0 replies, in forum: Show and Tell
  17. tkoco
    Post

    Bad Cura profile but I do not know what is causing the problem

    I just checked the Simplify3D website. Looks like they have expanded the software to include Linux. Last time I looked, I remember it being for...
    Post by: tkoco, Oct 8, 2020 in forum: General Questions
  18. tkoco
    Post

    What release of Cura are you using? Found so many bugs since 4.0 and forward

    Are you using Cura 4.7.0 or 4.7.1 ? Generally, the initial release (x.x.0) usually has problems.
    Post by: tkoco, Oct 7, 2020 in forum: Software
  19. tkoco
    Post

    How to replace the glass on a flexplate

    Acetone ( Finger Nail Polish Remover - the pure stuff - i.e. 100% acetone ) also works well in removing glue.
    Post by: tkoco, Oct 6, 2020 in forum: Mods and Upgrades
  20. tkoco
    Post

    Slicer problem?

    The obvious answers 1) (software) Cura has changed over the time frame and 2) (mechanical) wear and tear.
    Post by: tkoco, Oct 5, 2020 in forum: Troubleshooting
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