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OrcaSlicer/doc/Auxiliary-fan.md
Ian Bassi 33dc7bc1f2
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Wiki Update part 4 (#9872) 
* How to wiki

* Local images + pressure-advance realocation

* fill patterns WIP

+ Patch Until they fix this: https://github.com/orgs/community/discussions/118296

* Wiki images update 8fff1ca

Updated images with new style from commit 8fff1ca (pr: #9797)

* Internal Wiki Links + standardization

* Update Flow Calibration image

Co-Authored-By: Dowsha3d <216038220+dowsha3d@users.noreply.github.com>

* Seam wiki merge

* Updated Wiki Home

* MD Final lines

* How to index

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Co-authored-by: Dowsha3d <216038220+dowsha3d@users.noreply.github.com>
2025-06-13 23:09:05 +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}