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  1. Thanks everyone for your suggestions. I ended up reducing the print speed down 20 mm/s and that did help. As geert_2 pointed out - I also did notice a lot of goo's accumulating so I ended up cleaning the nozzle on a regular basis during the print. I guess the next thing to try is a lower print temperature.
  2. I'm using a noozle temperature of 250 and a plate temperature of 85 (eSUN recommend this temperature) and I read somewhere that PETG needs a high bed temperature. I do use glue on the bed but I did not change the speed but used the "default" for CPE material in Cura 4.0. Will try a lower speed.
  3. I have problems when printing with PETG material (I only tried material from eSUN) What happens is that occasionally the printer leaves "holes" in my print (i.e it doesn't dispense material) I'm not sure what can cause this (picture attached) In this particular case: 1) The bed was leveled prior to the print 2) The bed was cleaned prior to the print 3) The eSUN filament is unpacked a couple of days ago (i.e new) 4) Settings similar to Ultimakers CPE material. Anyone has any suggestions? Thanks,
  4. Thanks gr5. I'm a bit confused though. I supposed the first section of your reply suggest that USB which served the computing community for a couple of decades suddenly has become unreliable when used with UM2+? In my case - I'm not talking about failure after some hours but "unexpected" behaviour right away. With respect to the 2nd half - I have not found where I can set reprap mode. Appreciate any guidance. That said - if a mode or function in Cura is either not supported or in early beta-state (perhaps even alpha) - shouldn't this be highlighted to the user when selecting this function ? Sure - the software is free but the printer is not and in my case - I do feel that if the combination of the software and the hardware can damage the hardware there ought to be amble warnings.
  5. Hello I've had an Ultimaker 2+ for a some month. So far I've used an SD Card to transfer STL files and print from this but I recently hooked the printer up via a USB cable thinking this would be easier. Cura 2.3.1 immediately recognized the printer and offered an "Print via USB" option. However - when I selected this option with a design - here is what happened. My printer started immediately attempting to print. It ignored that the temperature of the print-bed and the nozzle were not even close to the temperature set my material settings. Needless to say that printing something without the material heated to the right temperature yielded nothing. I then cancel and the printer just stopped. Nozzle stayed were it was and the print bed didn't moved! I then selected "move the nozzle home" option from the Printer control. This did home the nozzle but the print bed remained where is was resulting the the nozzle hitting the back glass-bed clamp as it returned. What am I doing wrong ? thanks in advance, Robert
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