G28 X0 Y0
;G1 X0 Y0 Z50 F5000
M83
G1 E5 F600
M400
T0
M221 D0 S102.7 
M592 D0 A0.0107 B0.00044 L0.45	
M291 S3 R"Extrusion test" P"Press OK to start test at 1mm/s. Important: as the extruder was just primed with 5 mm extrusion, take current position of filament now."
;G1 X50 F5000
G1 X50 E25 F60
M400
M291 S3 R"Measure extrusion" P"Measure filament taken at 1mm/sec extrusion, then press OK to extrude with 2mm/s"
G1 X0 E25 F120
M400
M291 S3 R"Measure extrusion" P"Measure filament taken at 2mm/sec extrusion, then press OK to extrude with 3mm/s"
G1 X50 E25 F180
M400
M291 S3 R"Measure extrusion" P"Measure filament taken at 3mm/sec extrusion, then press OK to extrude with 4mm/s"
G1 X0 E25 F240
M400
M291 S3 R"Measure extrusion" P"Measure filament taken at 4mm/sec extrusion, then press OK to extrude with 5mm/s"
G1 X50 E25 F300
M400
M291 S3 R"Measure extrusion" P"Measure filament taken at 5mm/sec extrusion, then press OK to extrude with 6mm/s"
G1 X0 E25 F360
M400
M291 S3 R"Measure extrusion" P"Measure filament taken at 6mm/sec extrusion, then press OK to finish procedure"
G28 X0 Y0