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I learned that CPE is a co-polyester like PETG. I use PETG a lot (colorFabb 2.2 kg spools) and have had similar issues. I print PETG at 235 - 240 degC and no fan. This gives fairly good results, but not as nice as NGEN or PLA. You could try and print a custom temperature tower and see which temperature/speed/cooling/etc. options give you the best result.

There are post processing scripts available to pause at height or tweak at Z. The first could easily be used to change filament. You'll find the scripts under main menu item "Extensions" -> "Post Processing" -> "Modify G-Code" and then add the script of your choice.

Yay, I took me a while but I got it running after a lot of fiddling with the Cura profiles in the roaming\cura folder! Windows updates, graph driver update, etc. Bottleneck where the printer profiles...

Just installed Cura 3.2 BETA on an i5 with a GTX970 and again as version 3.1 it won't run on my machine... Please guys, make it work! I want to try those nice new features. P.S. Where is the signup for Beta testers, my machine is a killer for you! Running 3.2 will throw me this:

Hi, I have 4 banks of which 2 are filled with 8 GB memory modules, maybe I also qualify for these kind of software/hardware issues. I have no urge to pull modules, I'd rather wait for a new working version or stay on an older one for now. This should be something the devs could try on the test machines. Version 3.2 looks promising with nice features, I'd love to try those.

Dat probleem is al lang bekend. Bij de eerste versie van de moederborden was het probleem voornamelijk de stekker op het bord, die is in de latere versie (die je nu koopt; al vanaf dec. 2016) vervangen door schroef connectoren. Je moet echter wel zelf even c-clamps of vorken op goede kabels krimpen! De stekker op het heat bed moet wel direct worden vervangen door het liefst nieuwe draden (AWG 14) te solderen aan de achterkant van de connector, de draden voor thermistor kunnen wel blijven zitten. Wil je het demontabel maken stop er dan een XT60 connector tussen en een strain releave (om spanning van de kabel te halen). Een externe MOSFET is overigens niet noodzakelijk, niet voor het bed en zeker niet voor het hot end. Het grootste probleem zijn de kabel connecties. Wel een beetje een botte titel... Auto's zijn ook gevaarlijk.

Strange thing is I only can not run v3.1, but all other versions below that one run fine. Indeed very strange, and IMHO, there is no attention given to the people complaining. There is no problem as long as you ignore it. I hope v3.2 works, will try that tonight.

At least you get to see the 3.1 application... My 3.1 won't even start the splash screen... I hope that 3.2 works!

Thanks, I found the documentation on http://my_printers_ip/default.html for others that are reading in on this topic.

Feature request for Cura Connetc: Would it be possible/is there support to implement a history list that displays which prints have been printed (name) and by who (if send over network)? Our printer is used by various people, I'd like to keep track of what is printed when I'm out of the office.

3.1 Stable? After install if will not start up... coming from 3.0.4 (de-installed with 3.1 installer), when starting 3.1 I see the splash screen and then... a lot of nothing... so probably crash

Thanks for the reply, I did not factory reset the UM3E before updating. I'll look into that. What I did notice is that somehow the retraction option was disabled in the model. I certainly did not touch that (unless it had to be an accidental flick of the switch). Maybe caused by the limited view on the print parameters....

I recently updated the firmware (week ago or something) on the UM3E per question in the LCD panel (was running a beta firmware). What I see happening now (using Ultimaker black PLA with NFC) is that the movements on the first layer now also draw material. Furthermore, a 2 day print (crashed after a day because of some supposed error in the file... that happens more b.t.w.) showed "spider webs" in between all the printed components, way more than usual. Anybody experiencing similar problems? Can I go back to an older firmware to test if this is related?

That is a pity, but at least the leak is plugged!

Thanks guys, but the next question arises: "When can we expect Cura 3.0?", and: "Does it have a new material model for custom material specification?" Edit: Just found out that it is in two weeks time!