A lot of folks have issues with the default Bambu Lab X1 Carbon PETG settings right out of the box. When I first got my Bambu Lab X1C, I could not print PETG.
Nozzle collects filament when printing with PETG-CF - Bambu Lab X1-Carbon - Bambu Lab Community Forum
Wham Bam PEX Plate - Bambu Lab X1C - PLA, PETG, ASA Testing
Tips for printing PETG? : r/BambuLab
Bambulab p1s PETG : r/BambuLab
Nozzle collects filament when printing with PETG-CF - Bambu Lab X1-Carbon - Bambu Lab Community Forum
How to Print with Bambu PETG-CF Filament on a Bambu Labs X1 Carbon 3D Printer
Bambu Lab - Filament - PETG CF Violet Purple / Spool / 1.0 kg
X1C PETG settings : r/BambuLab
Tuned Bambu Labs X1C for multiple filaments
Bambu Lab X1 Carbon PETG Settings - Get Perfect Prints
Bambu Lab X1 Carbon PETG Settings - Get Perfect Prints
So I Switched to PETG - Bambu Lab X1-Carbon - Bambu Lab Community Forum
MatterHackers Trade-In Program Bambu Lab X1-Carbon Combo (GR-N)
I'm having a really hard time printing with PETG Atomic Filament - Troubleshooting - Bambu Lab Community Forum