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Zalmo

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  1. Have you tried starting Cura with administrative rights? That is: Right click on Cura executable, and select run as Administrator. I suspect CURA doesn't have sufficient rights to use the Serial drivers which obviously work with other applications you are running. Also, Richg click Properties, select Security tab, and make sure "System" User group has all rights checked. You can also create a security group, introduce your current user, and assign it to both COM driver and CURA software. That one is a bit more involved.
  2. Indeed gr5, at times, Windows can slap a super high port number. However, there is a workaround to that as well. I am posting this in hopes that other users do not get discouraged about printing over USB. I personally believe that is a necessary feature to have, especially when you try to tweak your print settings in order to save some good print profiles in Cura. I like that Cura allows you to save profiles, and that it has soo many print options. However, for those users that do not want to bother themselves with a raspberry pi attached to the 3D printer, USB is a way to go when it comes to tweaking settings. So let's demystify this high port number value thing that really happens sometimes: Here's how you fix that: Get rid of COM ports you don't need. (Unless you live in the '90's :)) ). Than do it by listening to" Backstreet Boys"! :)) Unplug your PC from 3D printer USB port first 1. Start command prompt with Administrative rights (right click run as administrator) 2. Change registry setting by typing: SET DEVMGR_SHOW_NONPRESENT_DEVICES=1 3. Next type: devmgmt.msc 4. Once device manager opens, got to VIEW and check "Show hidden devices" 5. Now look at com ports, you will see a lot of them in transparent icons. Right click and uninstall or delete them. Uninstall is preferred if available. 6. Congrats, now you got rid of drivers you don't need currently. 7. Plug in your 3D printer USB port again, and look at the COM port value you receive. If COM Port value is still too high here's plan B: In the same Device manager 1. right click the COM port for the 3D printer and select PROPERTIES 2. In "Port Settings" tab, select "Advanced" 3. Look for "COM Port Number" setting, and from the dropdown list, select a lower COM value THAT IS NOT CURRENTLY IN USE by another driver. 4. Click OK and confirm all the way out of all subsequent menus. 5. CONGRATS!!! You lowerred your port number. Now CURA should be happy again. Ok 3D people. That's all I have for you on this antiquated technology. Have fun!
  3. Hello There 3D people! :) I stumbled over this thread in an extensive effort to find how to print over USB on my original Creality Ender3 from Ultimaker Cura 4.8.0. I had Ultimaker Cura 4.8.0 installed as the sole slicer software and couldn't print via USB by default so I ended up performing a few steps which ultimately allowed me to usb print SUCCESSFULLY! I needed to print via USB because I needed to tweak the PETG settings before printing parts, and running around with a SD card was taking too much time. Finding how to print via USB took too much time as well btw :))). So here's what's happening: 1. Ultimaker Cura 4.8.0 has usb support still. 2. In order to print to USB, make sure your PC is connected via USB PRIOR to opening Cura. After you sliced your object, the "Save to File" option will show up, and after 5 more seconds, the button itself will show a dropdown arrow. if you click on that, you get the magic option of "print via USB". EVRIKA!!! I just wish a moderator would have made this mention super clean in a post somewhere. Now it's worth mentioning that you don't get to specify the COM port or BAUD rate.So the only way to get this going would be to install an older version, connect via usb successfully, and than upgrade. Yes, lame but it works. Also keep in mind that you need to setup USB drivers in Windows in order to translate Serial over USB signal, so check your device manager make sure you have drivers set up correctly. Well I hope this post passes the stringent moderator approval process and spares a few people some time in figuring out this issue. Cheers!
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