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ABS is damn tricky to print. One of many reasons that it is not a popular material (weaker layer bonding, clogs easily, smells horrible, corners warp off print surface). I recommend not using ABS as there are better materials.
Anyway, worry about temperature. Could it be that the second nozzle is heating up to the wrong temperature? You want around 240-245C for ABS.
Another possibility is that it is heating to 240C and staying there while printing on the left nozzle. 240C for 10 minutes will bake ABS into a gummy clog that can not be removed easily! It can only be removed by manual labor and tools. Even 2 minutes at 250C is sometimes enough to get a clog started. You never want the ABS nozzle at printing temperatures unless it is actually printing and you want to do thicker layers with ABS (none of this 0.06mm layer crap for ABS) such that the material doesn't stay in the hot nozzle for very long.
You can look the gcodes to see what is going on regarding temperature of the right nozzle.
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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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gr5 2,170
ABS is damn tricky to print. One of many reasons that it is not a popular material (weaker layer bonding, clogs easily, smells horrible, corners warp off print surface). I recommend not using ABS as there are better materials.
Anyway, worry about temperature. Could it be that the second nozzle is heating up to the wrong temperature? You want around 240-245C for ABS.
Another possibility is that it is heating to 240C and staying there while printing on the left nozzle. 240C for 10 minutes will bake ABS into a gummy clog that can not be removed easily! It can only be removed by manual labor and tools. Even 2 minutes at 250C is sometimes enough to get a clog started. You never want the ABS nozzle at printing temperatures unless it is actually printing and you want to do thicker layers with ABS (none of this 0.06mm layer crap for ABS) such that the material doesn't stay in the hot nozzle for very long.
You can look the gcodes to see what is going on regarding temperature of the right nozzle.
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