Felix 3D Printer Startup and ending GCode Scripts

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I will preference this saying that a a Felix 3.x printer, the Home point is on the back right hand side of the printer. Where I have it setup, it's a bit of a pain to reach, so my startup script brings the printhead up to the front of the printer to purge/extrude 10mm of filament, then returns back to home.

I currently use Simplify3D as my slicer, and it uses these gcode scripts before and after each print job.

Pre-Start gcode:

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G90 ; Absolute positioning
G28 ; Move to origin - go home
G1 Z10.0 F3000 ; Controlled move - take bed down 10mm
G1 Y180.0 F3000 ; Controlled move - bring head to near front of bed
G92 E0 ; Set position
G1 E10 F200 ; Controlled move - extrude 10mm of filament
G92 E0 ; Set position
G1 Y0.0 F3000 ; Controlled move - move head home
G1 Z0.0 F3000 ; Controlled move - take Z home

End gcode:

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M113 S0.0 ; Set extruder PWM
G91 ; Relative positioning
G92 E0 ; Set position
G1 E-5 F2000 ; Controlled move - retract filament to stop the ooze
G1 Z10 F1200 ; take the bed down 10 mm  so as to clear the printed part
G90 ; Absolute positioning
G1 X5.0 Y5.0 F3000.0 ; Controlled move - move head to 55
M84 ; Disable motors
M107 ; Fan off
M104 S0 ; Set extruder temperature to 0 deg C
M140 S0 ; Set heated bed temperature to 0 deg C