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MK4. I've followed the videos and everything is working correctly except when I start a print my gcode skips the step of doing my 20 second load from y pipe to extruder but it does do the 86mm load from extruder to hotend. its like i have a gap in the starting g code but it will continue to print nothing and do the unload properly and then again not load from y pipe.

Not running autoclippy

Ender 5 S1 with sonic pad

Marlin 2 language

; Auto generated 3D Chameleon Mk4 Mode 3 Tool Change GCode for PrusaSlicer

; - 3D Chameleon Mk4 Tool T{next_extruder} -

;begin switch from extruder {previous_extruder} to extruder #{next_extruder}

M117 Unloading Tool T[previous_extruder]

M83 ; turn relative distances for the extruder

; unload extruder {previous_extruder}

G92 E0

; go to holding position to unload the stock extruder

G0 Y0 F2000 ; <<----- EDIT THIS LINE TO SET THE INITIAL LOCATION OF THE BUTTON

; if this is the first load, then don't unload

G91 ; move to relative mode

M83

; load extruder #{next_extruder}

M117 Loading Tool T{next_extruder}

{if previous_extruder>-1}

; back out the filament for cutting

G0 E-20 F500 ; retract a bit, adjust this to tune waste

; <<<< insert mechanical cutter code here! >>>>

;<<< Start Of Tip Shaping- Remove If No Cutter! >>>

M109 R180; cool down to prevent swelling

M302 S0 ; enable cold extrusion

M106 S255

G0 E20 F1500 ;

G0 E-5 F500 ;

M109 R165; cool down to prevent swelling

G0 E5 F1500 ;

G0 E-1 F500 ;

M109 R155; cool down to prevent swelling

G0 E1 F1500 ;

G0 E-25 F500 ;

M109 R150; cool down to prevent swelling

G0 E24 F1500 ; last tip dip with cold tip

G0 E-24 ; last tip dip with cold tip

M109 R180; ok... go back up in temp so we can move the extruder

G0 E-80 F500 ; back out of the extruder

G92 E0

M104 S[temperature];

;<<< End Of Tip Shaping >>>

; we skipped to here if it was extruder -1

{endif}

{if previous_extruder>-1}

; retract it back out of the extruder

G92 E0

G0 E-86 F2000

G92 E0

G0 E-30 F2000 ; <<<---- if mechanical cutter, change to a positive value of at least 5mm

G92 E0

; ok - out of extruder - press button to remove it all the way

G91 ; move to relative mode

M82

; we skipped to here if it was extruder -1

{endif}

; press the button to select the new extruder

G0 Y3 F2000

{if next_extruder==0}

G4 P500 ; dwell for .5 seconds - adjust this to match your machines single pulse time

{endif}

{if next_extruder==1}

G4 P1000 ; dwell for 1.0 seconds - adjust this to match your machines two pulse time

{endif}

{if next_extruder==2}

G4 P1500 ; dwell for 1.5 seconds - adjust this to match your machines three pulse time

{endif}

{if next_extruder==3}

G4 P2000 ; dwell for 2.0 seconds - adjust this to match your machines four pulse time

{endif}

G0 Y-3

G4 P2000 ; wait for cutter to work

; ok command selected - back out filament if needed after cut

{if previous_extruder>-1}

G0 Y3 F2000 ;

G4 P20000 ;

G0 Y-3;

G4 P400

{endif}

G0 Y3 F2000 ;

G4 P20000 ;

G0 E25 F1500; <<<--- adjust this E value to tune extruder loading

G0 Y-3;

G4 P400

G92 E0

G90 ; move back to absolute mode

M83 ; but make sure the extruder stays in relative

; reload filament all the way into extruder

G92 E0

G0 E61 F2000 ; <<<<<----------- EDIT THIS DISTANCE TO FINE TUNE THE FILAMENT LOADING TO STOP BLOBBING OR UNDEREXTRUSION

G92 E0

M83 ; turn relative distances for the extruder

M302 S180 ; prevent cold extrusion

M117 3D Chameleon Tool T{next_extruder}

{if previous_extruder==-1}

G1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position

G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line

G1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little

G1 X0.4 Y20 Z0.3 F1500.0 E30 ;

G4 P2000

{endif}