PLA - filament start gcode

; filament start gcode
; {if  (bed_temperature[current_extruder] >45)||(bed_temperature_initial_layer[current_extruder] >45)}M106 P3 S255
; {elsif(bed_temperature[current_extruder] >35)||(bed_temperature_initial_layer[current_extruder] >35)}M106 P3 S180
; {endif};Prevent PLA from jamming

M106 P3 S180 ; set chamber fan speed to 70%

{if activate_air_filtration[current_extruder] && support_air_filtration}
M106 P3 S{during_print_exhaust_fan_speed_num[current_extruder]} 
{endif}