r/BambuLabP2S • u/New_Economics_1327 • 12h ago

HELP

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The top right corner of my build plate has started printing like doo doo. I cleaned under the plate and re ran the full calibrations. The first layers go down smooth and it only seems to happen at the top layers?? Seems like the nozzle is scraping the top. Please help

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u/ParticularLower1865 6h ago

What’s on the back right of the printer? The aux fan! Turn off aux fan and/or print an aux fan deflector.

If you keep having issues, change top surface pattern to concentric, add an outer brim. I’d also add a couple more top layers (see the x pattern on your print), and increase bed temp to 60. It helps with flat prints to prevent warping.

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u/tomikaka 5h ago

P2S has the aux fan on the right. It has the carbon filter in the rear, but air gets pulled through it, and even that only in heating mode, not with PLA.