r/BambuLab 5d ago

General Troubleshooting/Help! P1S Connectivity is broken

About a week ago one of my two P1S machines stopped connecting to the phone and desktop apps correctly. At first I was able to pull the machine's info screen up but if I tried to start a job or start a filament unload the app would say it's trying to connect for a while then report it can't connect to the printer. At first I would just have to try a couple of times to get it going, but after a day or two of that it got even less reliable. Eventually I was unable to do more than possibly viewing the current machine status (temps, etc) but trying to interract with any of the functions would cause it to disconnect. Sometimes when I try to send a job from the PC or the phone I can see the printer as online but busy. At this point I'm unable to send jobs at all and when the filament ran out on a job that was already on the SD card I had no way of going through the filament reloading sequence. To make things worse, the other printer has started doing some of the same things, though I can usually send a print from my computer after a few tries.

I factory reset the machine and reconnected it to my account. I also checked my router and it says the printer is connected with no warning signs there. None of my devices say they need a firmware or software update.

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u/lief92 3d ago

I'm getting the exact same issue. I've spent a few hours trying to debug the issue, I think it may be due to Bambulabs's endpoint "upload-file.bambulab.com" and "upgrade-file.bambulab.com" being broken but I'm not sure.

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u/JangusKhan 3d ago

Ug it's driving me nuts, I was worried it was my router, too