"Invalid data" when slicing? G-code is messed up...
 
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"Invalid data" when slicing? G-code is messed up...  

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TeachingTheDetails
(@teachingthedetails)
Eminent Member
"Invalid data" when slicing? G-code is messed up...

Copied over some G-Code settings from Cura to PrusaSlicer for my Cr-10s printer and it doesn't want to slice. Does PrusaSlicer interpret G-Code differently and does anyone know how to make it compatible? 

Start G-Code:

M80 192.168.178.35 1 ; Turn on Sonoff to power printer
M140 S60; # Heat bed to 60 and wait for it
M105;
M190 S60;
M104 S150; # heat extruder to 150C and wait for it
M105;
M109 S150;

M201 X500.00 Y500.00 Z100.00 E5000.00 ;Setup machine max acceleration
M203 X500.00 Y500.00 Z10.00 E50.00 ;Setup machine max feedrate
M204 P500.00 R1000.00 T500.00 ;Setup Print/Retract/Travel acceleration
M205 X8.00 Y8.00 Z0.40 E5.00 ;Setup Jerk
M220 S100 ;Reset Feedrate
M221 S100 ;Reset Flowrate

G28 ;Home
G29 ; BLTOUCH level bed
M190 S{material_bed_temperature_layer_0}; Heat to print temps
M109 S{material_print_temperature_layer_0}; Heat to print temps
G92 E0 ;Reset Extruder
G1 Z2.0 F3000 ;Move Z Axis up
G1 X10.1 Y20 Z0.28 F5000.0 ;Move to start position
G1 X10.1 Y200.0 Z0.28 F1500.0 E15 ;Draw the first line
G1 X10.4 Y200.0 Z0.28 F5000.0 ;Move to side a little
G1 X10.4 Y20 Z0.28 F1500.0 E30 ;Draw the second line
G92 E0 ;Reset Extruder
G1 Z2.0 F3000 ;Move Z Axis up

End G-Code:

G91 ;Relative positioning

G1 E-2 F2700 ;Retract a bit

G1 E-2 Z0.2 F2400 ;Retract and raise Z

G1 X5 Y5 F3000 ;Wipe out

G1 Z10 ;Raise Z more

G90 ;Absolute positionning

G1 X0 Y{machine_depth} ;Present print

M106 S0 ;Turn-off fan

M104 S0 ;Turn-off hotend

M140 S0 ;Turn-off bed

M84 X Y E ;Disable all steppers but Z

M81 192.168.178.35 1 ; turn off sonoff to turn off printer

Error:

G-code export to C:\Users\Me\AppData\Local\Temp\.11020.gcode failed due to invalid custom G-code sections:end_gcode

Parsing error at line 8: Not a variable nameG1 X0 Y{machine_depth} ;Present print ^start_gcode

Parsing error at line 18: Not a variable nameM190 S{material_bed_temperature_layer_0}; Heat to print temps

hw: PRUSA MINI+, FW 4.3.3 & Cr-10s w/ BLTouch, Ezboard, Hemerasw: PrusaSlicer 2.4, Windows 11

Respondido : 27/12/2021 8:02 pm
sylviatrilling
(@sylviatrilling)
Honorable Member
RE:

You have 2 placeholders in your custom gcode that are not available in PrusaSlicer: machine_depth and material_bed_temperature_layer_0

Here is a link to a list of all the placeholders that are available. https://help.prusa3d.com/en/article/list-of-placeholders_205643

Mk3S+,SL1S

Respondido : 27/12/2021 8:22 pm
sylviatrilling
(@sylviatrilling)
Honorable Member
RE:

You can replace the line 'G1 X0 Y{machine_depth} ;Present print' with 'G1 X0 Y200'

and you can replace 'M190 S{material_bed_temperature_layer_0}; Heat to print temps' with 'M190 S[first_layer_bed_temperature] ; wait for bed temp' (without the quotes).

This will give you placeholders that are compatible with Prusa Slicer. You make these changes at Printer Settings > Custom g-code.

 

OR you can most likely just use the default custom g-codes in PrusaSlicer. 

Mk3S+,SL1S

Respondido : 27/12/2021 8:42 pm
sylviatrilling
(@sylviatrilling)
Honorable Member
RE:

No, you wouldn't use the Prusa Slicer default custom gcode. I forgot that you are printing on the CR-10 when I wrote that last bit. 

Mk3S+,SL1S

Respondido : 27/12/2021 8:59 pm
TeachingTheDetails
(@teachingthedetails)
Eminent Member
Topic starter answered:
RE: "Invalid data" when slicing? G-code is messed up...

Perfect, those placeholder changes worked. Now it's slicing just fine. 

hw: PRUSA MINI+, FW 4.3.3 & Cr-10s w/ BLTouch, Ezboard, Hemerasw: PrusaSlicer 2.4, Windows 11

Respondido : 27/12/2021 9:38 pm
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