Can someone explain these multicolor artifacts

And most of my multicolor prints I always get these artifacts, they’re like little zits, although they don’t necessarily protrude from the surface, but they’re in the wrong color for the area they’re on, I thought they were on the seams, but it’s not necessarily just the seams, I’m thinking maybe it’s the supports too close to the object, but I’m not sure

Left over material from the previous color… so you need to purge/clear more….

or too high nozzle temperature. I had this happen with white filament, and i was wondering where does brown/black filament pieces came from. Too high temperature makes the filament too liquid and it sometimes overflow kinda, with too much filament, some of it would get stuck to the tip of the nozzle, end with circular movements it would then get stuck to the printed model.
Cleaning the nozzle and checking if temperature is not too high may solve the problem.

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Usually, this is because the nozzle is dirty; no printer—and I own many, ranging from Creality to Bambu Lab, among others—manages to clean itself perfectly. I always need to heat the nozzle to around 200°C and wipe it with a paper towel or something similar. If you don’t clean the nozzle manually before every print, you’re very likely to get poor results. I really dislike that absurd “plug-and-print” or “process-and-print” idea; that simply doesn’t exist. You always need to clean the nozzle manually, calibrate the printer, adjust the filament, and so on—nothing is perfect.