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Printing over USB has not gotten any serious attention from Ultimaker over the past 4 years. It is not something Ultimaker has any interest in. So even if your Cura version is recent, the part that does printing over USB is basically 4 years old and unmaintained. If it works, that is great. If it doesn't, my best advice is not to use it.
Export gcode and use SD card printing, use a different application for printing that gcode over USB (eg printrun), or use OctoPrint. OctoPrint can run on your PC, but you'll get the most out of it with a small board computer like the raspberry pi; if your computer restarts for updates or outright crashes, this would not affect your print.
2 hours ago, abtrooper82 said:
Any ideas why.
Instead of being smart about it and storing the last known working port and baudrate, Cura opens all your serial ports one by one and tries to connect at a list of different baudrates before finding your printer. That takes time on your system, apparently.
Cura has to start up the USB printing plugin and initialize it. Then it polls the printer for certain settings (like temperature). Once loaded though, if you were to start a second print it's nearly instantaneous.
I have to ask though, why over USB? There are known issues when using Cura or Pronterface as host software (I don't know about Octoprint). Random pausing that requires a button click to re-start tops the list. I know my E3Pro much prefers the SD card.
Thanks everyone, yes I have looked at Octoprint and TBH been lazy and maybe revist. Don't have any other problems with USB, although I not one to run big long prints at the moment so that might change things.
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Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more.
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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ahoeben 1,948
Printing over USB has not gotten any serious attention from Ultimaker over the past 4 years. It is not something Ultimaker has any interest in. So even if your Cura version is recent, the part that does printing over USB is basically 4 years old and unmaintained. If it works, that is great. If it doesn't, my best advice is not to use it.
Export gcode and use SD card printing, use a different application for printing that gcode over USB (eg printrun), or use OctoPrint. OctoPrint can run on your PC, but you'll get the most out of it with a small board computer like the raspberry pi; if your computer restarts for updates or outright crashes, this would not affect your print.
Instead of being smart about it and storing the last known working port and baudrate, Cura opens all your serial ports one by one and tries to connect at a list of different baudrates before finding your printer. That takes time on your system, apparently.
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GregValiant 1,251
Ahoeben types faster than me...
Cura has to start up the USB printing plugin and initialize it. Then it polls the printer for certain settings (like temperature). Once loaded though, if you were to start a second print it's nearly instantaneous.
I have to ask though, why over USB? There are known issues when using Cura or Pronterface as host software (I don't know about Octoprint). Random pausing that requires a button click to re-start tops the list. I know my E3Pro much prefers the SD card.
Edited by GregValiantLink to post
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ahoeben 1,948
Ahoeben cheated by copy/pasting a previous comment he made.
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abtrooper82 0
Thanks everyone, yes I have looked at Octoprint and TBH been lazy and maybe revist. Don't have any other problems with USB, although I not one to run big long prints at the moment so that might change things.
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