PrusaSlicer first line on other printers
 
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Ondrej Rafaj
(@ondrej-rafaj)
Active Member
PrusaSlicer first line on other printers

hey guys, any way how to add that dual cleaning line I get on my MK3s at the front of my bed before the print starts on my new CR10Max? I setup a new printer profile there but id won't do that first run so first few cm of my print are screwed a bit (missing filament)

Posted : 03/04/2020 3:04 pm
JoanTabb
(@joantabb)
Moderator
RE: PrusaSlicer first line on other printers

Copy the Mk3 Start code into the CR10 Custom Gcode Start code area.

Mk3S Custom Gcode, Start code

M862.3 P "[printer_model]" ; printer model check   >>Mk3 specific, not needed on CR10
M862.1 P[nozzle_diameter] ; nozzle diameter check  >>Mk3 specific, not needed on CR10
M115 U3.8.1 ; tell printer latest fw version  >>Mk3 specific, not needed on CR10
G90 ; use absolute coordinates
M83 ; extruder relative mode
M104 S[first_layer_temperature] ; set extruder temp
M140 S[first_layer_bed_temperature] ; set bed temp
M190 S[first_layer_bed_temperature] ; wait for bed temp
M109 S[first_layer_temperature] ; wait for extruder temp
G28 W ; home all without mesh bed level    
G80 ; mesh bed leveling>> does your CR10 do mesh bed levelling
G1 Y-3.0 F1000.0 ; go outside print area
G92 E0.0
G1 X60.0 E9.0 F1000.0 ; intro line   >>>>> the green text is your Intro line Gcode add this after your CR10 Auto home commandand heating commands
G1 X100.0 E12.5 F1000.0 ; intro line
G92 E0.0
M221 S{if layer_height<0.075}100{else}95{endif}  >>this reduces the extrusion slightly by setting the Flow value to 95% for layer heights above 0.075mm

Regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Posted : 03/04/2020 4:53 pm
Neophyl
(@neophyl)
Famed Member
RE: PrusaSlicer first line on other printers

Heres the start of what I use on My cr10S

M104 S[first_layer_temperature] ; set extruder temp
M140 S[first_layer_bed_temperature] ; set bed temp
M190 S[first_layer_bed_temperature] ; wait for bed temp
M109 S[first_layer_temperature] ; wait for extruder temp
M117 Clean ; Indicate nozzle clean in progress on LCD
M107 ; Turn layer fan off
G21 ; Set to metric, change to G20 if you want Imperial
G90 ; Force coordinates to be absolute relative to the origin
G28 ; Home X/Y/Z axis
G0 X1 Y0 Z0.16 F9000 ; Move in 1mm from edge and up z 0.15mm
G92 E0 ; Set extruder to 0 zero
G1 Y145 E50 F500 ; Extrude 50mm filiment along Y axis 145mm long to prime and clean the nozzle
G92 E0.0 ; Reset extruder to 0 zero end of cleaning run
;G1 E-1 F5000 ; Retract filiment by 1 mm to reduce string effect
G1 X3 Y145 Z15 F9000 ; Move over and rise to safe Z height
G1 X3 Y0 Z15 F9000 ; Move back to front of bed at safe Z height to shear strings

Only difference is it puts the purge line up the left hand side instead.

Posted : 03/04/2020 5:09 pm
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