Prusa i3 Cooldown GCODE

G92 E0 ; zero extruder
G1 E-3.0 F1500 ; retract
G4 ; wait
M104 S0 ; turn off temperature
{if layer_z < max_print_height}G1 Z{z_offset+min(layer_z+30, max_print_height)}{endif} ; Move print head up
M106 S255 ; turn fan on
G1 X125 Y0  F3000.0 ; goto middle
M190 R0 T40 ; turn off bed and wait for cooldown
M107 ; turn off fan
G1 X0 Y200 F3000 ; home X axis
M84 ; disable motors

Prusa i3 Startup GCODE

; GILES' STARTUP SETTINGS
M862.3 P "[printer_model]" ; printer model check
M862.1 P[nozzle_diameter] ; nozzle diameter check
M115 U3.10.0 ; tell printer latest fw version
G90 ; use absolute coordinates
M83 ; extruder relative mode
M204 S[machine_max_acceleration_extruding] T[machine_max_acceleration_retracting] ; MK2 firmware only supports the old M204 format

; BED LEVELING
G28 W ; home all axes
G1 Z40 F5000 ; Lift nozzle
M190 S40 ; wait for bed ambient temp
M140 S0 ; turn off bed
G80 ; mesh bed leveling
G81 ; check mesh leveling results

; G10 SHEET SETUP
; G1 Z1.5 ; move up for G10 sheet
; G92 Z0 ; set z to zero
G1 Z40 F5000 ; Lift nozzle
G1 X0 Y210 F5000 ; ready for sheet
M18 S240 ; set stepper disable timeout 4m
M17 Y ; lock y

; PREHEAT
M190 S77 ; wait for warm bed temp
M104 S[first_layer_temperature] ; set extruder temp
M190 S[first_layer_bed_temperature] ; wait for bed temp
M109 S[first_layer_temperature] ; wait for extruder temp

; INTRO LINE
G1 X0 Y0 Z40 F5000 ; home XY axis
G1 Y-2.0 Z10 F1000.0 ; go outside print area
G1 X50 Z{first_layer_height+z_offset} F1000 ; home z axis
G92 E0.0
G1 X100.0 E13.5  F1000.0 ; intro line 0.6mm
G1 X150.0 E18.75 F1000.0 ; intro line 0.6mm
G4 S1.0 ; pause
G1 Z10.0 ; lift
G1 E1 F2100 ; prime

; END OF STARTUP GCODE