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Over Extrusion in Print Core#2

walterng

By walterng
in UltiMaker 3D printers

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walterng

walterng 0

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Posted · Over Extrusion in Print Core#2

Hello!

 

I am having trouble with Print Core No. 2 (0.4 BB printing Natural PVA) over-extruding during the print. When Print Core No. 1 is engaged (0.4 AA printing PLA), print core no. 2 continues to extrude material. I have both feeder blocks set to the indicated standard tension on the back side, have manually leveled the device, and run other diagnostics since noticing. 

 

One corner of the scaffolding in particular has trouble retaining its shape as this print goes on. I suspect the over extrusion causes that corner and then the rest of the print to mess up but I am at loss on how to fix this! Am I using too much scaffolding or should that not be an issue? Also, the LED light on print core is blinking blue constantly instead of solid blue in the standby mode. I am unsure what this indicates as well.

 

-Walter

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