rinter squeeze out bad plastic

[kolrom]

at the beginning the printer printed well, now it squeezes out a little plastic, put test files, the same thing, in standby mode the plastic itself falls out, and when it starts printing, very little comes out. can the printer be reset to factory settings

[William]

Hello, maybe the hotend and nozzle is blocked, you can try to clean it, please refer to the following video.
https://www.youtube.com/watch?v=sE2GSBKfb3s