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Buffer error with TPU

I’m try to print with TPU and I’m have a problem with the buffer. When I pull the filament from the Palette 2, the feed does not keep up. Before I have enough filament to fill the medium outgoing tube, the buffer switch is trigged. I eventually it get to the point where the Palette 2 no longer feeds. This is all before I’m able load the extruder.

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Hey @jeffreybernath, thanks for reaching out about this. It sounds like your print speed might be too high for Palette to keep up with. However, the very first thing to consider with TPU is calibration. To print with flexibles, such as TPU, you would have to recalibrate your SPC/PPM, run a new splice tuning test, and a new calibration keychain. You can follow the full instructions here, which also includes some common troubleshooting steps. Hope that helps for now, and please let us know if you have any questions about the steps!

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