Feat: Replace custom KNCM with official Open-Elegoo-Community version
Replaced our custom nozzle cleaning macros with the official Klipper Nozzle Clean Macro (KNCM) from Open-Elegoo-Community. Changes: - Added KNCM/nozzle_clean.cfg (official macro code) - Updated KNCM_settings.cfg with official variable-based config - Updated KNCM/KNCM_settings.cfg (copy for include path) - Removed custom CLEAN_NOZZLE, SMART_PARK, LINE_PURGE macros Benefits of official KNCM: - Proper wiper position calculation (not hardcoded X0 Y0!) - Variable-based configuration (easy to customize) - Filament-specific cleaning temperatures - Sinusoidal wiping pattern for better cleaning - PurgeShake to remove strings before wiping - Actively maintained by Open-Elegoo-Community Neptune 4 Plus specific settings: - printer_bed_y_max: 330 - wiping_axis: Y (bed moves) - cleaning_height: 30 (CALIBRATE THIS!) - bed_corner_to_wiper_offset: 40.5 (MEASURE THIS!) Reference: https://github.com/Open-Elegoo-Community/klipper-nozzle-clean-macro
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# ============================================================================
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# KNCM - Nozzle Cleaning Macros
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# Simplified nozzle cleaning for reliable prints
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# ============================================================================
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#############################################################################
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# NOZZLE CLEAN SETTINGS - Neptune 4 Plus
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#############################################################################
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# Original: https://github.com/Open-Elegoo-Community/klipper-nozzle-clean-macro
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# Adapted for Neptune 4 Plus with corner wiper holder
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#
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# INSTALLATION:
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# 1. Install wiper holder: https://www.printables.com/model/1221208-neptune-4-plus-corner-guide-with-wiper
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# 2. Measure your wiper position and adjust variables below
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# 3. Calibrate cleaning_height carefully!
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#############################################################################
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# ----------------------------------------------------------------------------
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# SDCARD_RESET_FILE - Fix for Klipper SD card reset error
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# ----------------------------------------------------------------------------
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[gcode_macro SDCARD_RESET_FILE]
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description: Reset SD card file (placeholder to prevent errors)
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[include KNCM/nozzle_clean.cfg]
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[gcode_macro _KNCM_SETTINGS]
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description: "Nozzle cleaning settings for Neptune 4 Plus"
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# ------------------------------------------------------------------------
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# BASIC CLEANING CONFIGURATION
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# ------------------------------------------------------------------------
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# Set nozzle height for cleaning at the brush
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# ⚠️ IMPORTANT: Calibrate this value! Start high (35) and work down
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# Too low = damages wiper, Too high = doesn't clean
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variable_cleaning_height: 30
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# Specifies the axis that will move during wiping (X or Y)
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# Y = Bed moves (Neptune 4 series)
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# X = Nozzle moves (most CoreXY printers)
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variable_wiping_axis: 'Y'
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# Set maximum Y value of the usable bed area (not the nozzle max travel)
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# Neptune 4: 229, Neptune 4 Plus: 330, Neptune 4 Max: 430
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variable_printer_bed_y_max: 330
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# Number of times the cleaning motions are executed
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# 1 loop = 3 passes (first, second, third pass)
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variable_cleaning_loops: 1
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# Disable (0) / Enable (1) PurgeShake motion before cleaning
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# Shakes off filament strings before wiping
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variable_purge_shake: 1
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# Disable (0) / Enable (1) Wait for nozzle temp restore after cleaning
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variable_wait_nozzle_temp_restore: 1
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# Disable (0) / Enable (1) debug messages in console
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variable_debug: 0
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# ------------------------------------------------------------------------
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# ACCELERATION (mm/s²) & SPEED SETTINGS (mm/s)
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# ------------------------------------------------------------------------
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# Acceleration (0 = use printer default acceleration)
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variable_acceleration: 0
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# Travel speed (fast non-cleaning moves)
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variable_travel_speed: 350
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# Speed for slow cleaning moves (deep cleaning)
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variable_slow_speed: 250
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# Speed for fast cleaning moves (final wipe)
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variable_fast_speed: 500
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# ------------------------------------------------------------------------
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# FILAMENT CLEANING TEMPERATURES
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# ------------------------------------------------------------------------
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# Cleaning temperatures by filament type (lower than print temp)
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# Prevents oozing during cleaning
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variable_cleaning_temperatures: {
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"PLA":140,
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"PETG":160,
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"TPU":180,
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"ABS":190,
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"ASA":190
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}
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# ------------------------------------------------------------------------
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# WIPER SETUP (brush geometry and offsets) - NEPTUNE 4 PLUS
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# ------------------------------------------------------------------------
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# ⚠️ MEASURE THESE VALUES for your specific wiper installation!
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# ------------------------------------------------------------------------
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# Wiper width (X-axis space used by the brush in mm)
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variable_wiper_width: 8
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# Wiper length (Y-axis space used by the brush in mm)
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variable_wiper_length: 37
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# Thickness of the wiper holder wall (distance from bed to silicone start)
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# Usually 0 if silicone starts at wall edge
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variable_wiper_walloffset: 0
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# Distance from bed origin (X=0) to start of silicone brush area
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# ⚠️ MEASURE THIS: From X=0 to where silicone begins
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# Neptune 4 Plus typical: 40.5mm (adjust for your setup!)
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variable_bed_corner_to_wiper_offset: 40.5
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# Number of sinusoidal waves during cleaning motion
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# More waves = more thorough cleaning, but slower
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variable_waves: 2
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# ------------------------------------------------------------------------
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# !!! DO NOT EDIT BELOW !!!
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# ------------------------------------------------------------------------
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gcode:
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# Placeholder - SD card operations handled by Klipper
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RESPOND MSG="SD card reset acknowledged"
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# ----------------------------------------------------------------------------
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# PRINTER VARIABLES - Neptune 4 Plus
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# ----------------------------------------------------------------------------
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# Adjust these values in your user_settings.cfg if needed!
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# ----------------------------------------------------------------------------
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# Bed dimensions (not nozzle travel, but usable bed area)
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# N4=229, N4Plus=330, N4Max=430
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# This is set via mesh_max in [bed_mesh] section
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# ----------------------------------------------------------------------------
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# CLEAN_NOZZLE - Wipe nozzle on brush/cloth
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# ----------------------------------------------------------------------------
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[gcode_macro CLEAN_NOZZLE]
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description: Clean nozzle on brush or cloth
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gcode:
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{% set FILAMENT_TYPE = params.FILAMENT_TYPE|default("PLA")|upper %}
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{% set CLEAN_X = params.CLEAN_X|default(0)|int %}
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{% set CLEAN_Y = params.CLEAN_Y|default(0)|int %}
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{% set CLEAN_Z = params.CLEAN_Z|default(0.5)|float %}
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{% set PASSES = params.PASSES|default(3)|int %}
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RESPOND MSG="Cleaning nozzle..."
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# Move to clean position
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G1 X{CLEAN_X} Y{CLEAN_Y} Z{CLEAN_Z} F3000
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# Wipe passes
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{% for i in range(PASSES) %}
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G1 X{CLEAN_X + 10} F1800
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G1 X{CLEAN_X} F1800
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{% endfor %}
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# Lift Z
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G1 Z10 F600
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RESPOND MSG="Nozzle clean complete!"
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# ----------------------------------------------------------------------------
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# SMART_PARK - Park near front for easy access
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# ----------------------------------------------------------------------------
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[gcode_macro SMART_PARK]
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description: Park nozzle at front of bed for easy access
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gcode:
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{% set PARK_X = params.PARK_X|default(165)|int %}
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{% set PARK_Y = params.PARK_Y|default(10)|int %}
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{% set PARK_Z = params.PARK_Z|default(50)|int %}
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G1 X{PARK_X} Y{PARK_Y} Z{PARK_Z} F6000
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RESPOND MSG="Printer parked at front"
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# ----------------------------------------------------------------------------
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# LINE_PURGE - Print purge line at start of bed
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# ----------------------------------------------------------------------------
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[gcode_macro LINE_PURGE]
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description: Print purge line at start of bed
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gcode:
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{% set PURGE_START_X = params.START_X|default(10)|int %}
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{% set PURGE_END_X = params.END_X|default(300)|int %}
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{% set PURGE_Y = params.Y|default(10)|int %}
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{% set PURGE_Z = params.Z|default(0.2)|float %}
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{% set PURGE_AMOUNT = params.AMOUNT|default(30)|int %}
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# Move to purge start
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G1 X{PURGE_START_X} Y{PURGE_Y} Z{PURGE_Z} F3000
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# Extrude purge line
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G1 X{PURGE_END_X} E{PURGE_AMOUNT} F600
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# Lift Z
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G1 Z2 F600
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RESPOND MSG="Purge line printed"
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# ----------------------------------------------------------------------------
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# Frame Light Control (Neptune 4 Plus)
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# ----------------------------------------------------------------------------
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[gcode_macro Frame_Light_ON]
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description: Turn on frame LED lights
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gcode:
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SET_PIN PIN=frame_light VALUE=1
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[gcode_macro Frame_Light_OFF]
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description: Turn off frame LED lights
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gcode:
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SET_PIN PIN=frame_light VALUE=0
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# ----------------------------------------------------------------------------
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# Part Light Control (Neptune 4 Plus)
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# ----------------------------------------------------------------------------
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[gcode_macro Part_Light_ON]
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description: Turn on part cooling fan light
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gcode:
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SET_PIN PIN=part_light VALUE=1
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[gcode_macro Part_Light_OFF]
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description: Turn off part cooling fan light
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gcode:
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SET_PIN PIN=part_light VALUE=0
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# This macro only stores shared variables, no actual commands
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{action_respond_info("Running KNCM_SETTINGS does nothing - it stores settings only")}
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