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Start gcode from cura 3.6 to 4.2


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Posted (edited) · Start gcode from cura 3.6 to 4.2

So I have been out of the cura game for a while, last used 3.6 and everything was fine.  I get the new cura 4.2 and use my same start gcode and my print starts (it seems to heat bed, waits till bed is heated, then does home of all axis fine, then starts heating extruder and when heated it just starts extruding and lcd says printing but it just starts extruding in the middle of the bed without any x, Y, or z movement.   Is it my start gcode? It seems to skip my whole prime and start wipe procedure and position and go right into printing but only extruder is moving in the center of the bed.  Any suggestions? 


;Filament used: 2.10707m
;Layer height: 0.3
;Generated with Cura_SteamEngine 4.2.1
M82 ;absolute extrusion mode
G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M140 S65 ;set bed temp
M190 S65 ;wait for bed temp to be reached
M104 S218 ;set extruder temp
G28 X0 Y0 ;move X/Y to endstops
G28 Z0 ;move Z to bottom endstops
G29 A ;make sure mesh leveling calibrated points are loaded
G1 X15 Y15 Z3.0 F5000 ;lift z/nozzle up specified mm
M109 S218 ;wait for extruder temp
G1 Z0.5 F5000 ;move z down 0.5mm from bed
G92 E0 ;zero the extruded length
G1 E3 F1000 ;extrude 3mm of feed
G92 E0 ;zero the extruded length
G1 X30 Y30 E3 F600 ;move and extrude line
G92 E0 ;zero the extruded length
G1 X50 Y10 E3 F600 ;move and extrude line
G92 E0 ;zero the extruded length
G1 Z1 E-0.3 F9000 ;retract and lift
G92 E0 ;zero the extruded length again
G1 Y30 Z0.3 F9000 ;put back down again prepare for print
G1 F9000 ;Put printing message on LCD screen
M117 Printing...
M141 S28
G92 E0
G92 E0
G1 F3900 E-5.3
G0 F3200 X87.933 Y78.557 Z0.3
G1 F3900 E-0.00421

Edited by markus555
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    Posted · Start gcode from cura 3.6 to 4.2

    For all those who care, I managed to fix it by putting in M105(report temperature in between/right before M190 and M109.    What I want to know is why everytime Cura changes versions do I have to change, delete, modify or otherwise add extra gcode?  Really screws you up and makes me not too keen to upgrade

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    Posted · Start gcode from cura 3.6 to 4.2

    You don’t mention what printer you have, nor did you label in the listing the demarcation between Cura-generated gcode and your start code.


    However, I suspect this has more to to with a change to you printer’s firmware than Cura since it is your printer that executes the gcode.

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