How to utilize/calibrate print fans for PLA?
Fan Fails to Start
How to configure Marlin to enable auto-fans with dual extruder
Is it advisable to use additional external fan(s) for printing PLA?
Understand what CR-10S fans are cooling
Cooling fan noise when head is moving in the X axis
Why turning off model cooling for first layer?
Cooling fan spins extremely fast, noisy on startup