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You have severe underextrusion or maybe zero extrusion.
I guess the first thing to check is the "third fan". Is that coming on as the nozzle heats above 50C? Having that fan fail is a common cause of this kind of thing.
There's lots of possibilities - could there maybe be too many retractions? If the same piece of material goes through the feeder 20X it's usually fine but 40X or 100X and it can grind the filament down to dust by the 40th time going back and forth over the same spot. This infill looks fine but maybe another area?
Your nozzle could be much colder (pla like toothpaste) or hotter (pla chemically changing) than you thought.
Your feeder stepper combined with warm air nearby can cause the extruder to get above the glass temp of PLA and the PLA melts/squishes.
The PLA may be brittle and breaking in the bowden and catching in the print head - this has been very very common this last few months.
You need to start eliminating some of these possibilities.
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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
You have severe underextrusion or maybe zero extrusion.
I guess the first thing to check is the "third fan". Is that coming on as the nozzle heats above 50C? Having that fan fail is a common cause of this kind of thing.
There's lots of possibilities - could there maybe be too many retractions? If the same piece of material goes through the feeder 20X it's usually fine but 40X or 100X and it can grind the filament down to dust by the 40th time going back and forth over the same spot. This infill looks fine but maybe another area?
Your nozzle could be much colder (pla like toothpaste) or hotter (pla chemically changing) than you thought.
Your feeder stepper combined with warm air nearby can cause the extruder to get above the glass temp of PLA and the PLA melts/squishes.
The PLA may be brittle and breaking in the bowden and catching in the print head - this has been very very common this last few months.
You need to start eliminating some of these possibilities.
Link to post
Share on other sites