EZABL with Prusaslicer2

OldGaf

I have the EZABL Pro Mini and it is working perfectly in Cura.
I want to use PrusaSlicer2 as well as it has some very cool features.

I copied and pasted the start / end code into PrusaSlicer... and when it runs the mesh gen it does not stop at the last point (back left) to wait on the nozzle temp, but returns to the front right and waits there.
Then,.. when the temp is reached it starts the wipe / prime run it does not extrude anything.
It also does not extrude the skirt even tho it goes through the motion.

I can see that the skirt maybe something going on in PrusaSlicer.... but as for the start code it does not make sense to me at all.

Has anyone else had this misbehavior?

woody

My guess is that somehow the retraction was very high at the end of a print and it takes a lot of extrusions until you get filament out.
I wrote my own start and stop Gcode for PrusaSlicer 2. It is not perfect, but has evolved over time. Here it is - I use it for my Ender 5 and 5 Plus. Let me know if you need to know what the command do.

Start G code
M140 S[first_layer_bed_temperature];
M104 S[first_layer_temperature];
M109 S[first_layer_temperature];
M190 S[first_layer_bed_temperature];
G28;
G29;
G92 E0;
G1 E-4 F1500;
G1 X1 Y3 Z0.350 F2000;
G92 E0;
G1 E8 F1500;
G92 E0;
G1 X1 Y185 E30 F1000;
G1 X2 Y185;
G1 X2 Y3 E60;
G92 E0;
G1 E-4 F1500;
G92 E0;
G1 X1 Y1 Z4;
M300 S1000 P500;
G92 E0;
G4 S5;
G1 E4 F1500;
G92 E0;

End Gcode
G28 X0 Y0;
G92 E0;
G1 E-4 F4800;
M104 S0;
M140 S0;
M84;
M107;
M300 S500 P500;

OldGaf

Thanks for the reply Woody 🙂

So, I had 2 irregularities.
One was the odd behavior when finishing the mesh gen.
I got it to behave better by changing the code type to RipRap rather then Marlin.
But that makes the "Machine Limits" menu disappear.... which means no acceleration or jerk control 🙁
I also do not get any filament extruded.

I will check the nozzle before hand tomorrow and also watch the extruder to make sure it is actually turning at the start.

OldGaf

About that start code of yours... (thanks!), is it for use with the ezabl? ( sorry... I would need to look it all up to know at a glance).

What do you think of PrusaSlicer2?

Thanks again !

woody

I use the same start code for my Ender 5 with EZABL pro and for my Ender 5 Plus with the BL touch. The key command is the G29 - Bed Leveling (Automatic). Here is a link to Marlin docs - very helpful to understand Gcode. http://marlinfw.org/docs/gcode/M104.html
Curious what printer you have and what mainboard. I really like Prusa Slicer 2. I was a big CURA fan until I saw a youtube by Dr. Vax showing some of the features in Prusaslicer. Since I started using it, I never went back to CURA.

OldGaf

Its a CR10s with stock board running latest TH3d Marlin
.
And ya... I REALLY like some of the features I have seen in Prusa Slicer 2 vids.
I assume you have Marlin set in PS2 as the code type?

OldGaf

"M140 S[first_layer_bed_temperature];
M104 S[first_layer_temperature];
M109 S[first_layer_temperature];
M190 S[first_layer_bed_temperature];"

What ya got going on here?

woody

M140 S sets the bed temp it uses the value you have in PrusaSlicer under filament (see screen shot) in my case 210
M104 S sets hot end to the value for first layer extruder
M109 waits until the extruder is at the set temp
M190 waits unitl the bed is at the set temp

Putting them in this order allows both the bed and nozzle to heat at the same time,. Nothing will happen until both have reached the correct temp. You do not have to change the Gcode to change temp, just change in PrusaSlice in the filament section

OldGaf

Awesome... thanks!

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