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Explanation of "end gcode" for Anet A8 - Cura 4.5


djgraff209

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Posted · Explanation of "end gcode" for Anet A8 - Cura 4.5

I'm running into a slight issue with Cura 4.5's Anet A8 profile (thank you VERY much for including it)

 

So on print end - the following gcode is executed:

 

M104 S0
M140 S0
G92 E80
G1 E-80 F2000
G28 X0 Y0
M84

 

Cura 4.5 is a MARKED improvement over the previous 4.x releases. Application is very stable and starts reliably now. Upon finishing a print yesterday, I heard an interesting noise (not bad just unexpected) of the extruder retracting on completion.

 

Today I went to run a print and kicked it off. I look over after the print completed and noticed nothing had printed out at all. I figured my filament got stuck (not remembering hearing the retract). I tried pulling out the filament manually only to have it get stuck. I let everything cool down and unbolted the cooling fan on the extruder body. Sure enough, there was a nice glob at the end of the filament below the hobbed gear.

 

I think the retraction setting is a bit excessive.

 

Any suggestions to tune this?

 

Thanks in advance.

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    Posted · Explanation of "end gcode" for Anet A8 - Cura 4.5

    I think I solved this with the help of another post and github

    https://github.com/Ultimaker/Cura/blob/92691f68b6e969b07519a3dd91cff98796a765e4/resources/definitions/anet3d_a8.def.json

     

    M104 S0
    M140 S0
    G92 E0            ; Zero the extruder position
    G1 E-10 F2000     ; Retract 10mm instead of 80mm / Feed rate 2000
    G28 X0 Y0
    M84

     

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