Prusa XL Start GCode (with front wiper from https://www.printables.com/model/1028341-prusa-xl-front-nozzle-purge-cleaner-a1a1-mini)

gistfile1.txt

;-----------
; Starting to create my own Start GCode for OrcaSlicer.
;   Author: Seth Hall
;-----------
M17 ; enable steppers
M862.3 P "XL" ; printer model check
M862.5 P2 ; g-code level check
M862.6 P"Input shaper" ; FW feature check
M115 U6.0.3+14902
G90 ; use absolute coordinates
M83 ; extruder relative mode
; set print area
M555 X{first_layer_print_min[0]} Y{first_layer_print_min[1]} W{(first_layer_print_max[0]) - (first_layer_print_min[0])} H{(first_layer_print_max[1]) - (first_layer_print_min[1])}
; inform about nozzle diameter
{if (is_extruder_used[0])}M862.1 T0 P{nozzle_diameter[0]}{endif}
{if (is_extruder_used[1])}M862.1 T1 P{nozzle_diameter[1]}{endif}
{if (is_extruder_used[2])}M862.1 T2 P{nozzle_diameter[2]}{endif}
{if (is_extruder_used[3])}M862.1 T3 P{nozzle_diameter[3]}{endif}
{if (is_extruder_used[4])}M862.1 T4 P{nozzle_diameter[4]}{endif}

; turn off unused heaters
{if ! is_extruder_used[0]} M104 T0 S0 {endif}
{if ! is_extruder_used[1]} M104 T1 S0 {endif}
{if num_extruders > 2 and ! is_extruder_used[2]} M104 T2 S0 {endif}
{if num_extruders > 3 and ! is_extruder_used[3]} M104 T3 S0 {endif}
{if num_extruders > 4 and ! is_extruder_used[4]} M104 T4 S0 {endif}

M217 Z{max(zhop, 2.0)} ; set toolchange z hop to 2mm, or zhop variable from slicer if higher
; set bed and extruder temp for MBL
M140 S[first_layer_bed_temperature] ; set bed temp
G0 Z5 ; add Z clearance
M109 T{initial_tool} S{((filament_notes[initial_tool]=~/.*HT_MBL10.*/) ? (first_layer_temperature[initial_tool] - 10) : (filament_type[initial_tool] == "PC" or filament_type[initial_tool] == "PA") ? (first_layer_temperature[initial_tool] - 25) : (filament_type[initial_tool] == "FLEX") ? 210 : (filament_type[initial_tool]=~/.*PET.*/) ? 175 : 170)} ; wait for temp

; Home XY
G28 XY
; try picking tools used in print
G1 F{travel_speed * 60}
{if (is_extruder_used[0]) and (initial_tool != 0)}T0 S1 L0 D0{endif}
{if (is_extruder_used[1]) and (initial_tool != 1)}T1 S1 L0 D0{endif}
{if (is_extruder_used[2]) and (initial_tool != 2)}T2 S1 L0 D0{endif}
{if (is_extruder_used[3]) and (initial_tool != 3)}T3 S1 L0 D0{endif}
{if (is_extruder_used[4]) and (initial_tool != 4)}T4 S1 L0 D0{endif}
; select tool that will be used to home & MBL
T{initial_tool} S1 L0 D0
; home Z with MBL tool
M84 E ; turn off E motor
G28 Z
G0 Z5 ; add Z clearance

M104 T{initial_tool} S{if idle_temperature[initial_tool] == 0}70{else}{idle_temperature[initial_tool]}{endif} ; set idle temp

P0 S1 L1 D0; park the tool to prevent oozing <-- added command
M190 S[first_layer_bed_temperature] ; wait for bed temp
G29 G ; absorb heat
T{initial_tool} S1 L0 D0; grab the initial tool again <-- added command

M109 T{initial_tool} S{((filament_notes[initial_tool]=~/.*HT_MBL10.*/) ? (first_layer_temperature[initial_tool] - 10) : (filament_type[initial_tool] == "PC" or filament_type[initial_tool] == "PA") ? (first_layer_temperature[initial_tool] - 25) : (filament_type[initial_tool] == "FLEX") ? 210 : (filament_type[initial_tool]=~/.*PET.*/) ? 175 : 170)} ; wait for temp

; Start nozzle brush cycle
; In the event that a printer doesn't have nozzle wiper in the wiper location, this shouldn't hurt anything.
; I'm using the nozzle wiper from here: https://www.printables.com/model/1028341-prusa-xl-front-nozzle-purge-cleaner-a1a1-mini
G1 E-2 F2400 ; more retraction to compensate oozing before nozzle cleanup
G1 X160 Y-5 Z5 F24000 ; nozzle brush cycle - move to brush
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - lower nozzle
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X200 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z0.1 F24000 ; nozzle brush cycle - wipe
G1 X160 Y-5 Z5 F24000 ; nozzle brush cycle - raise nozzle

; move to the nozzle cleanup area
G1 X{(min(((((first_layer_print_min[0] + first_layer_print_max[0]) / 2) < ((print_bed_min[0] + print_bed_max[0]) / 2)) ? (((first_layer_print_min[1] - 7) < -2) ? 70 : (min(print_bed_max[0], first_layer_print_min[0] + 32) - 32)) : (((first_layer_print_min[1] - 7) < -2) ? 260 : (min(print_bed_max[0], first_layer_print_min[0] + 32) - 32))), first_layer_print_min[0])) + 32} Y{(min((first_layer_print_min[1] - 7), first_layer_print_min[1]))} Z{5} F{(travel_speed * 60)}
M302 S160 ; lower cold extrusion limit to 160C
G1 E{-(filament_type[0] == "FLEX" ? 4 : 2)} F2400 ; retraction for nozzle cleanup
; nozzle cleanup
M84 E ; turn off E motor
G29 P9 X{((((first_layer_print_min[0] + first_layer_print_max[0]) / 2) < ((print_bed_min[0] + print_bed_max[0]) / 2)) ? (((first_layer_print_min[1] - 7) < -2) ? 70 : (min(print_bed_max[0], first_layer_print_min[0] + 32) - 32)) : (((first_layer_print_min[1] - 7) < -2) ? 260 : (min(print_bed_max[0], first_layer_print_min[0] + 32) - 32)))} Y{(first_layer_print_min[1] - 7)} W{32} H{7}
G0 Z5 F480 ; move away in Z
M107 ; turn off the fan
; MBL
M84 E ; turn off E motor
G29 P1 ; invalidate mbl & probe print area
G29 P1 X30 Y0 W{(((is_extruder_used[4]) or ((is_extruder_used[3]) or (is_extruder_used[2]))) ? "300" : ((is_extruder_used[1]) ? "130" : "50"))} H20 C ; probe near purge place
G29 P3.2 ; interpolate mbl probes
G29 P3.13 ; extrapolate mbl outside probe area
G29 A ; activate mbl
G1 Z10 F720 ; move away in Z
G1 F{travel_speed * 60}
P0 S1 L1 D0; park the tool
; set extruder temp
{if first_layer_temperature[0] > 0 and (is_extruder_used[0])}M104 T0 S{first_layer_temperature[0]}{endif}
{if first_layer_temperature[1] > 0 and (is_extruder_used[1])}M104 T1 S{first_layer_temperature[1]}{endif}
{if first_layer_temperature[2] > 0 and (is_extruder_used[2])}M104 T2 S{first_layer_temperature[2]}{endif}
{if first_layer_temperature[3] > 0 and (is_extruder_used[3])}M104 T3 S{first_layer_temperature[3]}{endif}
{if first_layer_temperature[4] > 0 and (is_extruder_used[4])}M104 T4 S{first_layer_temperature[4]}{endif}
{if (is_extruder_used[0]) and initial_tool != 0}
;
; purge first tool
;
G1 F{travel_speed * 60}
P0 S1 L2 D0; park the tool
M109 T0 S{first_layer_temperature[0]}
T0 S1 L0 D0; pick the tool
G92 E0 ; reset extruder position

G0 X{(0 == 0 ? 30 : (0 == 1 ? 150 : (0 == 2 ? 210 : 330)))} Y{(0 < 4 ? -7 : -4.5)} Z10 F{(travel_speed * 60)} ; move close to the sheet's edge
G0 E{if filament_multitool_ramming[0]}10{else}30{endif} X40 Z0.2 F{if filament_multitool_ramming[0]}500{else}170{endif} ; purge while moving towards the sheet
G0 X70 E9 F800 ; continue purging and wipe the nozzle
G0 X{70 + 3} Z{0.05} F{8000} ; wipe, move close to the bed
G0 X{70 + 3 * 2} Z0.2 F{8000} ; wipe, move quickly away from the bed
G1 E{- 1.5 * retract_length[0]} F2400 ; retract
{e_retracted[0] = 1.5 * retract_length[0]} ; update slicer internal retract variable
G92 E0 ; reset extruder position

M104 S{(idle_temperature[0] == 0 ? (first_layer_temperature[0] + standby_temperature_delta) : (idle_temperature[0]))} T0
{endif}
{if (is_extruder_used[1]) and initial_tool != 1}
;
; purge second tool
;
G1 F{travel_speed * 60}
P0 S1 L2 D0; park the tool
M109 T1 S{first_layer_temperature[1]}
T1 S1 L0 D0; pick the tool
G92 E0 ; reset extruder position

G0 X{(1 == 0 ? 30 : (1 == 1 ? 150 : (1 == 2 ? 210 : 330)))} Y{(1 < 4 ? -7 : -4.5)} Z10 F{(travel_speed * 60)} ; move close to the sheet's edge
G0 E{if filament_multitool_ramming[1]}10{else}30{endif} X140 Z0.2 F{if filament_multitool_ramming[1]}500{else}170{endif} ; purge while moving towards the sheet
G0 X110 E9 F800 ; continue purging and wipe the nozzle
G0 X{110 - 3} Z{0.05} F{8000} ; wipe, move close to the bed
G0 X{110 - 3 * 2} Z0.2 F{8000} ; wipe, move quickly away from the bed
G1 E{- 1.5 * retract_length[1]} F2400 ; retract
{e_retracted[1] = 1.5 * retract_length[1]} ; update slicer internal retract variable
G92 E0 ; reset extruder position

M104 S{(idle_temperature[1] == 0 ? (first_layer_temperature[1] + standby_temperature_delta) : (idle_temperature[1]))} T1
{endif}
{if (is_extruder_used[2]) and initial_tool != 2}
;
; purge third tool
;
G1 F{travel_speed * 60}
P0 S1 L2 D0; park the tool
M109 T2 S{first_layer_temperature[2]}
T2 S1 L0 D0; pick the tool
G92 E0 ; reset extruder position

G0 X{(2 == 0 ? 30 : (2 == 1 ? 150 : (2 == 2 ? 210 : 330)))} Y{(2 < 4 ? -7 : -4.5)} Z10 F{(travel_speed * 60)} ; move close to the sheet's edge
G0 E{if filament_multitool_ramming[2]}10{else}30{endif} X220 Z0.2 F{if filament_multitool_ramming[2]}500{else}170{endif} ; purge while moving towards the sheet
G0 X250 E9 F800 ; continue purging and wipe the nozzle
G0 X{250 + 3} Z{0.05} F{8000} ; wipe, move close to the bed
G0 X{250 + 3 * 2} Z0.2 F{8000} ; wipe, move quickly away from the bed
G1 E{- 1.5 * retract_length[2]} F2400 ; retract
{e_retracted[2] = 1.5 * retract_length[2]} ; update slicer internal retract variable
G92 E0 ; reset extruder position

M104 S{(idle_temperature[2] == 0 ? (first_layer_temperature[2] + standby_temperature_delta) : (idle_temperature[2]))} T2
{endif}
{if (is_extruder_used[3]) and initial_tool != 3}
;
; purge fourth tool
;
G1 F{travel_speed * 60}
P0 S1 L2 D0; park the tool
M109 T3 S{first_layer_temperature[3]}
T3 S1 L0 D0; pick the tool
G92 E0 ; reset extruder position

G0 X{(3 == 0 ? 30 : (3 == 1 ? 150 : (3 == 2 ? 210 : 330)))} Y{(3 < 4 ? -7 : -4.5)} Z10 F{(travel_speed * 60)} ; move close to the sheet's edge
G0 E{if filament_multitool_ramming[3]}10{else}30{endif} X320 Z0.2 F{if filament_multitool_ramming[3]}500{else}170{endif} ; purge while moving towards the sheet
G0 X290 E9 F800 ; continue purging and wipe the nozzle
G0 X{290 - 3} Z{0.05} F{8000} ; wipe, move close to the bed
G0 X{290 - 3 * 2} Z0.2 F{8000} ; wipe, move quickly away from the bed
G1 E{- 1.5 * retract_length[3]} F2400 ; retract
{e_retracted[3] = 1.5 * retract_length[3]} ; update slicer internal retract variable
G92 E0 ; reset extruder position

M104 S{(idle_temperature[3] == 0 ? (first_layer_temperature[3] + standby_temperature_delta) : (idle_temperature[3]))} T3
{endif}
{if (is_extruder_used[4]) and initial_tool != 4}
;
; purge fifth tool
;
G1 F{travel_speed * 60}
P0 S1 L2 D0; park the tool
M109 T4 S{first_layer_temperature[4]}
T4 S1 L0 D0; pick the tool
G92 E0 ; reset extruder position

G0 X{(4 == 0 ? 30 : (4 == 1 ? 150 : (4 == 2 ? 210 : 330)))} Y{(4 < 4 ? -7 : -4.5)} Z10 F{(travel_speed * 60)} ; move close to the sheet's edge
G0 E{if filament_multitool_ramming[4]}10{else}30{endif} X320 Z0.2 F{if filament_multitool_ramming[4]}500{else}170{endif} ; purge while moving towards the sheet
G0 X290 E9 F800 ; continue purging and wipe the nozzle
G0 X{290 - 3} Z{0.05} F{8000} ; wipe, move close to the bed
G0 X{290 - 3 * 2} Z0.2 F{8000} ; wipe, move quickly away from the bed
G1 E{- 1.5 * retract_length[4]} F2400 ; retract
{e_retracted[4] = 1.5 * retract_length[4]} ; update slicer internal retract variable
G92 E0 ; reset extruder position

M104 S{(idle_temperature[4] == 0 ? (first_layer_temperature[4] + standby_temperature_delta) : (idle_temperature[4]))} T4
{endif}
;
; purge initial tool
;
G1 F{travel_speed * 60}
P0 S1 L2 D0; park the tool
M109 T{initial_tool} S{first_layer_temperature[initial_tool]}
T{initial_tool} S1 L0 D0; pick the tool
G92 E0 ; reset extruder position

G0 X{(initial_tool == 0 ? 30 : (initial_tool == 1 ? 150 : (initial_tool == 2 ? 210 : 330)))} Y{(initial_tool < 4 ? -7 : -4.5)} Z10 F{(travel_speed * 60)} ; move close to the sheet's edge
G0 E{if filament_multitool_ramming[initial_tool]}10{else}30{endif} X{(initial_tool == 0 ? 30 : (initial_tool == 1 ? 150 : (initial_tool == 2 ? 210 : 330))) + ((initial_tool == 0 or initial_tool == 2 ? 1 : -1) * 10)} Z0.2 F{if filament_multitool_ramming[initial_tool]}500{else}170{endif} ; purge while moving towards the sheet
G0 X{(initial_tool == 0 ? 30 : (initial_tool == 1 ? 150 : (initial_tool == 2 ? 210 : 330))) + ((initial_tool == 0 or initial_tool == 2 ? 1 : -1) * 40)} E9 F800 ; continue purging and wipe the nozzle
G0 X{(initial_tool == 0 ? 30 : (initial_tool == 1 ? 150 : (initial_tool == 2 ? 210 : 330))) + ((initial_tool == 0 or initial_tool == 2 ? 1 : -1) * 40) + ((initial_tool == 0 or initial_tool == 2 ? 1 : -1) * 3)} Z{0.05} F{8000} ; wipe, move close to the bed
G0 X{(initial_tool == 0 ? 30 : (initial_tool == 1 ? 150 : (initial_tool == 2 ? 210 : 330))) + ((initial_tool == 0 or initial_tool == 2 ? 1 : -1) * 40) + ((initial_tool == 0 or initial_tool == 2 ? 1 : -1) * 3 * 2)} Z0.2 F{8000} ; wipe, move quickly away from the bed
G1 E{- 1.5 * retract_length[initial_tool]} F2400 ; retract
{e_retracted[initial_tool] = 1.5 * retract_length[initial_tool]}
G92 E0 ; reset extruder position