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09-19-2020, 04:12 AM #27
- Join Date
- Oct 2016
- Posts
- 184
To my understanding, everything should be ok. This print doesn't seem to have the filament priming feature enabled, it just loads the first filament and starts to print. Have you tried printing it yet?
Here's the initial start gcode, standard stuff. Add mesh bed leveling command if you need to:
Code:M73 P0 R137 ; progress indication M107 ; fan off G90 ; use absolute coordinates M83 ; extruder relative mode M104 S240 ; set extruder temp M140 S60 ; set bed temp M190 S60 ; wait for bed temp M109 S240 ; wait for extruder temp G28 ; home all without mesh bed level
Code:; Send the filament type to the MMU2.0 unit. ; E stands for extruder number, F stands for filament type (0: default; 1:flex; 2: PVA) M403 E0 F0 M403 E1 F0 M403 E2 F0 M403 E3 F0 M403 E4 F0
Code:;go outside print area G1 Y0.0 F1000.0 G1 X260 F1000.0 G1 Z0.2 F1000.0 ; select extruder T0 ; initial load G1 E29.0 F1073.0 M73 P0 R137 G92 E0.0
For some reason does another loading of first filament, not sure if this actually does anything because the filament is already loaded. Don't know why this is here, but I have it too so apparently it's needed or just redundant stuff that Prusa team hasn't cleaned away.
Code:G92 E0.0 G21 ; set units to millimeters G90 ; use absolute coordinates M83 ; use relative distances for extrusion T0 ; Filament gcode G1 Z0.500 F4800.000 ;BEFORE_LAYER_CHANGE G92 E0.0 ;0.3
Code:G1 E-1.00000 F2100.00000 G1 Z1.100 F4800.000 G1 Z0.500 ;AFTER_LAYER_CHANGE ;0.3 G1 E-2.00000 F2100.00000 G1 Z1.100 F4800.000 G1 X101.016 Y209.785 G1 Z0.500 G1 E3.00000 F2100.00000 ;------------------------------------- ; CP WIPE TOWER FIRST LAYER BRIM START
I suggest you check the Printer Settings -> Single extruder MM setup section, this is what I have:
SingleMMSettings.jpg
Edit: actually the initial load section seems to be in the Start gcode-section, this is what I have in there:
Code:M862.3 P "[printer_model]" ; printer model check M862.1 P[nozzle_diameter] ; nozzle diameter check M115 U3.9.0 ; tell printer latest fw version 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 ; Send the filament type to the MMU2.0 unit. ; E stands for extruder number, F stands for filament type (0: default; 1:flex; 2: PVA) M403 E0 F{"" + ((filament_type[0]=="FLEX") ? 1 : ((filament_type[0]=="PVA") ? 2 : 0))} M403 E1 F{"" + ((filament_type[1]=="FLEX") ? 1 : ((filament_type[1]=="PVA") ? 2 : 0))} M403 E2 F{"" + ((filament_type[2]=="FLEX") ? 1 : ((filament_type[2]=="PVA") ? 2 : 0))} M403 E3 F{"" + ((filament_type[3]=="FLEX") ? 1 : ((filament_type[3]=="PVA") ? 2 : 0))} M403 E4 F{"" + ((filament_type[4]=="FLEX") ? 1 : ((filament_type[4]=="PVA") ? 2 : 0))} {if not has_single_extruder_multi_material_priming} ;go outside print area G1 Y-3.0 F1000.0 G1 Z0.4 F1000.0 ; select extruder T[initial_tool] ; initial load G1 X55.0 E29.0 F1073.0 G1 X5.0 E29.0 F1800.0 G1 X55.0 E8.0 F2000.0 G1 Z0.3 F1000.0 G92 E0.0 G1 X240.0 E25.0 F2200.0 G1 Y-2.0 F1000.0 G1 X55.0 E25 F1400.0 G1 Z0.20 F1000.0 G1 X5.0 E4.0 F1000.0 G92 E0.0 {endif} G92 E0.0
Last edited by spegelius; 09-19-2020 at 04:33 AM.
New member with print issue
06-11-2024, 08:57 AM in Tips, Tricks and Tech Help