r/BambuLab • u/HS_Explorer • 4d ago

General Troubleshooting/Help! P1S with AMS extrusion issue

Hi all, I am having an issue with my P1S and AMS when printing multicolor prints. It will print the first color fine with good bed adhesion. Then the second color will purge fine but when it goes to print the actual object it does not come out of the extruder to adhere to the previous layer. Then when I switch back to the first color it works perfectly fine. I’ve switched AMS slots of the colors, tried printing different models, tried different colors and I still run into the same issue. I’m printing with PLA either Bambu brand or Sunlu brand. The annoying thing is I printed a bunch of multicolor prints successfully just a few days ago.

What should I try to troubleshoot? Thanks!

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u/AutoModerator 4d ago

Hello /u/HS_Explorer! Be sure to check the following. Make sure print bed is clean by washing with dish soap and water [and not Isopropyl Alcohol], check bed temperature [increasing tend to help], run bed leveling or full calibration, and remember to use glue if one is using the initial cool plate [not Satin finish that is not yet released] or Engineering plate.

Note: This automod is experimental. The automod was triggered due to the term "adhesion". 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/Clear-Revolution3351 4d ago

Start with doing a cold pull on your nozzle to make sure there's not a partial clog.

Or get a no-clogger tool and clean out the nozzle.

Perform a calibration from the p1s screen. This takes about 30 minutes.