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OrcaSlicer/doc/Auxiliary-fan.md
Ian Bassi 4e59b0abc6
Wiki + Readme: MD security and improvements (#9807) 
* Wiki + Readme: MD, security and improvements

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Co-Authored-By: Noisyfox <timemanager.rick@gmail.com>
Co-Authored-By: dewi-ny-je <2866139+dewi-ny-je@users.noreply.github.com>
Co-Authored-By: Nico Domino <7415984+ndom91@users.noreply.github.com>
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Co-Authored-By: Rodrigo <162915171+RF47@users.noreply.github.com>

* MD Indentation + images update

---------

Co-authored-by: Noisyfox <timemanager.rick@gmail.com>
Co-authored-by: dewi-ny-je <2866139+dewi-ny-je@users.noreply.github.com>
Co-authored-by: Nico Domino <7415984+ndom91@users.noreply.github.com>
Co-authored-by: Martin Ulmschneider <7497782+mulmschneider@users.noreply.github.com>
Co-authored-by: Rodrigo <162915171+RF47@users.noreply.github.com>
2025-06-08 11:11:43 +08:00

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Auxiliary Fan

OrcaSlicer use M106 P2 command to control auxiliary cooling fan.

If you are using Klipper, you can define a M106 macro to control the both normal part cooling fan and auxiliary fan and exhaust fan. Below is a reference configuration for Klipper.

Note

Don't forget to change the pin name to the actual pin name you are using in the configuration

# instead of using [fan], we define the default part cooling fan with [fan_generic] here
# this is the default part cooling fan
[fan_generic fan0]
pin: PA7
cycle_time: 0.01
hardware_pwm: false

# this is the auxiliary fan
# comment out it if you don't have auxiliary fan
[fan_generic fan2]
pin: PA8
cycle_time: 0.01
hardware_pwm: false

# this is the exhaust fan
# comment out it if you don't have exhaust fan
[fan_generic fan3]
pin: PA9
cycle_time: 0.01
hardware_pwm: false

[gcode_macro M106]
gcode:
    {% set fan = 'fan' + (params.P|int if params.P is defined else 0)|string %}
    {% set speed = (params.S|float / 255 if params.S is defined else 1.0) %}
    SET_FAN_SPEED FAN={fan} SPEED={speed}