To replace the filament on the Bambu Lab P1 series, follow these steps:
¶ Video Operation
¶ 1. Select the 'Unload' option on the screen. The printer will begin heating up the hot end, then cutting the filament automatically.
¶ 2. After completing the first step, you need to pull out the filament to complete the unloading process manually. Please manually pull out the filament as soon as possible according to the tips on APP/Studio. If the nozzle temperature is maintained at 142℃ and does not decrease, it means that there are remaining filaments in the extruder e, and the unloading is considered incomplete.
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¶ 3. Select ‘Retry’ to repeat the process if you didn't pull out the filament.
¶ 4. Bambu Lab P1P load filament on spool holder | Bambu Lab Wiki
That's it! Now you can start printing!
In the current firmware version, 01.02.02.00, the "load" / "unload" buttons can cause a layer shift. This issue will be solved in the next firmware.
For 01.02.02.00, we advise not to use the "load" / "unload" option, for example, when changing filament during a paused print. You can use the extruder "feed" and "retract" buttons on the printer screen or in the Handy App.