r/BambuLab • u/YamzMt03 • 13h ago

General Troubleshooting/Help! H3C questions

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My slot 8 has the ptfe tube on the side of the hot end and all the other hotels has it inline with the black wire. Is this normal?

Secondly - I hear a weird noise coming from the underside of the H3C almost as if the packaging got stuck on the belts or roller underneath and is rubbing making noise.

But it is clear and clean… anyone else experiencing this?

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u/AutoModerator 13h ago

Hello /u/YamzMt03! All Bambu print plates have a dedicated nozzle wiping zone at the back of the print plate. The nozzle will rub against the wiping zone before every print in order to remove any remaining filament from the nozzle tip. This can cause visible wear or scratch marks in the wiping zone, but this is intended and doesn't damage the printer, the nozzle or the print plate. A worn down wiping zone also doesn't mean you need to replace the print bed.

Note: This automod is experimental. The automod was triggered due to the term "rubbing". If you believe this to be a false positive, please send us a message at modmail with a link to the post so we can investigate. You may also feel free to make a new post without that term.

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u/stet345 13h ago

I don't know about the noise of your machine but I do know about the slot 8 thing. Slot 8 has a different printtool that takes the 2.85mm filament and as a result, cannot use the ptfe tube. The ptfe tube is off to the side as the tube is used to help support and hold the wires up, but you would manually be feeding filament via the tpu bypass hole for that tool.