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  1. I have used these for about 2+ years and have found them to work very well on my UM2+ - certainly reduce the noise etc. Design by @UbuntuBirdy who used to be on here. https://www.youmagine.com/designs/ultimaker-2-2-damper-feet-12-55 I assume they would work on a UM3, but would be worth checking the dimensions of the grooves on the mounting area.
  2. I would think you need to increase the Y value - try mine and then work from there: G1 X25 Y25 F3000 ; bring extruder to the front.
  3. Have a look at my script which works fine for my setup - all depends on how far your head2 sticks out! Just change the x/y values to suit your needs for prime position.
  4. You have to be aware of Mark2 space limitations if you have 2nd head mounted, but has never caused me any problems. Get that sorted - presume it was during priming stage? and you'll be good to go 👍🏻
  5. Good question, but I don't know the answer to that one! Maybe it knows which head is mounted and just uses the feeder for that head but calls it head 1? All I know is that it works fine - presume as it is Marlin being used and not the built in UM2 code?
  6. That's what I do, as stated earlier - use standard UM2+ (Marlin flavour) for single head prints (Head 1 or 2 depending which head is mounted before starting print) and standard Mark2 profile for dual prints. Only takes seconds to choose between them!
  7. Right, I've just checked and running 17.09 firmware on my Mark2 with Cura 4.4.1 and normally just use the UM2+ setup with no problems by just loading Head 2 prior to start the print. Here is my start/stop script I use which may be helpful for you - Gcode flavour Marlin (Maybe it's this that helps? - as can't really see anything else out of the ordinary!) G21 ;metric values G90 ;absolute positioning M82 ;set extruder to absolute mode M107 ;start with the fan off G28 Z0 ;move Z to bottom endstops G28 X0 Y0 ;move X/Y to endstops G1 X25 Y25 F3000 ; bring extrude
  8. Strange as works fine on mine 🤔 When I get time I'll post my start/ stop gcode bits to see if anything there may help you.
  9. I just use the standard 'single head' um2 profile/slicing within Cura and just mount the 2nd head before starting the print. You just have to take care that the print head remains within the Mark2 area so it doesn't crash into obstacles.
  10. Whichever head is mounted when you start the print is the one that's used - original head or 2nd head if mounted using the mark2 change extruder command in the menu.
  11. Just mount the 2nd head before starting the print - I use default UM2 printer setting (not mark2) for slicing etc. It doesn't need any code changes - just remember print area restrictions for using 2nd head when slicing on standard UM2 setting. 👍🏻
  12. Try my Dropbox link: https://www.dropbox.com/s/3rfmjxsymrgvgf4/Cura-2.5.0-win64.exe?dl=0
  13. I don't know if this is the cause, but have a look at this thread, it helped me out 😀
  14. When doing the Z distance in the Mark 2 area in the maintenance menu for head 1 & 2, you do not need to use paper - just do what it says and get the bed to just touch the printer nozzle!! Just ensure your nozzles are clean and do not have remnants of material hanging off them which will affect the distances.
  15. Presume your talking about the 'normal' UM setup here to ensure bed is level etc?? Have you then gone into the 'dual head' area under maintenance and set the Z values in there? (can't confirm the name at the moment as printer running, but it's section for Mark2 upgrade!). Go to the bottom of the available options there until you see Z adjustment, and adjust head 1 until the nozzle just touches the glass bed (you can sometimes hear a change of tone from the stepper motor when it touches) then save. Go back up to change extruder head, and select head 2 - back
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