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Start gcode for Cura 15.4.4


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Posted (edited) · Start gcode for Cura 15.4.4

I am printing with a Lulzbot Mini printer that now has Cura 15.4.4 recently installed.

Cura 15 is an unfamiliar change from the earlier versions of Cura that allowed me to manipulate the print head position and bed/head temperatures with a simple interface. So I started to tinker with the gcode in the newer version to try and get what I wanted from the driver.

I'm now running this start gcode:

;Sliced at: {day} {date} {time}

;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density}

;Print time: {print_time}

;Filament used: {filament_amount}m {filament_weight}g

;Filament cost: {filament_cost}

;M190 S{print_bed_temperature} ;Uncomment to add your own bed temperature line

;M109 S{print_temperature} ;Uncomment to add your own temperature line

G21 ;metric values

G90 ;absolute positioning

M82 ;set extruder to absolute mode

M107 ;start with the fan off

M109 S180 B210 F1;activate auto temp min 180 max 210 scaling factor 1 (for PLA)

G28; Home Axis

G29; Z-Probe the bed (requires Z-Probe!)

G1 Z5.0 F9000 ;move the head 5mm up for CYA clearance

G92 E0 ;zero the extruded length

M117 Cleaning...;Put Cleaning message on screen

G1 X100 Y0 F4000 ; move half way along the front edge

G1 Z1 ; move nozzle close to bed

M109 S200 ; heat nozzle to 200 degC and wait until reached

G4 P10000 ; wait 10 seconds for nozzle length to stabilize

G1 E10 ; extrude 10 mm of filament

G1 z15 F12000 E5 ; move 15 mm up, fast, while extruding 5mm

G92 E0 ; reset extruder

M117 Printing...;Put printing message on LCD screen

It begins printing the object 5-10 millimeters off of the print bed, which I think is attributed to the fact that the bed leveling washers in the corners of the bed are approximately that same height (5-10mm) off of the bed. It seems not to recognize that. What is the ideal start gcode for me to run on a Lulzbot Mini with Cura 15.4.4?

Edited by Guest
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    Posted · Start gcode for Cura 15.4.4

    I think your solution, nallath, will work best. For whatever reason I was only perusing the normal versions of Cura, as opposed to the Lulzbot-specific ones.

    This does keep me dumber to the functioning of gcode, but it will be easiest.

    Didier, I think I'll play with some of those commands as well, in order to learn.

    Thank you both!

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