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leizhuo

extruder clogged in the printing and it continue running above model (UM 3)

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Posted · extruder clogged in the printing and it continue running above model (UM 3)

Problem Description:

I found my extruder is running above model with nozzle clogged when I return office after 3 hours start printing. Several material drippings are found on the model sections.

 

1.  It is single material printing – PVA material. CURA setting is shown in the attachment.

 

2.  Before start printing, I set print core temperature to 200 and try hot pull several times for nozzle clean. Meanwhile, I cleaned extended extruder suite feeder for filament importing easily. In the start, the material exporting is fluent and boundary line is broad; everything seems perform in a regular routine.

 

3.  I tried two times for printing, but they failed in the same way. It seems this case happens randomly.

 

How to fix this case?

comparasion.jpg

cura profile 01.JPG

cura profile 02.JPG

cura profile 03.JPG

cura profile 04.JPG

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