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Faulty gcode or incorrect settings?


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Posted · Faulty gcode or incorrect settings?

Hello all,

I'm just getting started in the 3d printing world and I think I'm doing quite well, except for sometimes that when my printer starts printing it makes a strange sound from the extruder and over extrudes and under extrudes fillament. At first it sounded like fillament grinding in the extruder but when I sliced again with different profile settings it worked fine. I haven't still figured out what option messes up the print. I'm comparing working and non-working gcodes to find out where the problem is. My printer is a core xy, Two Trees Sapphire pro and I use Cura 4.7.1 and 4.8 versions. I'm attaching a picture of how the first layer comes up when this problem occurs. I also attach the last faulty gcode file. Can anyone help? Thank you in advance.

20201124_132303696_iOS.jpg

Cell_Stand not working.gcode

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    Posted (edited) · Faulty gcode or incorrect settings?

    Instead of the Gcode it is better to attach the Project-File, then we have not only the item but also your printer settings... attach a project-file that is correct and one that doesn't work...

     

    For comparing Gcode you could use a program like NotePad++...

     

    What material are U using? PLA? PETG? ABS?

     

     

    Edited by Mari
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    Posted · Faulty gcode or incorrect settings?

    I don't think the Two Trees Sapphire pro printer is in the list of printers support by Cura. Which printer model did you select when slicing in Cura?

    What diameter is your nozzle?

     

    Quote

    M82 ;absolute extrusion mode
    G21 ; set units to millimeters
    G90 ; use absolute positioning
    M82 ; absolute extrusion mode
    M104 S185 ; set extruder temp
    M140 S60 ; set bed temp
    M190 S60 ; wait for bed temp
    M109 S185 ; wait for extruder temp
    M83 ; Relative extrusion mode
    G28; home all without mesh bed level

     

    Did you create this startup code? I can't find this in one of the existing printer models.

    It looks weird with 2 times the M82 code, you only need one. The M83 looks like an error and will mess up your extrusion (extruding way too much).

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    Posted · Faulty gcode or incorrect settings?
    16 hours ago, CarloK said:

    I don't think the Two Trees Sapphire pro printer is in the list of printers support by Cura. Which printer model did you select when slicing in Cura?

    What diameter is your nozzle?

     

     

    Did you create this startup code? I can't find this in one of the existing printer models.

    It looks weird with 2 times the M82 code, you only need one. The M83 looks like an error and will mess up your extrusion (extruding way too much).

    This code came up from cura with the settings I applied. I didn’t change anything manually. My printer is not in the default printers in cura but company says that it supports cura. I will delete M83 and see what happens. Thank you. 

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    Posted (edited) · Faulty gcode or incorrect settings?
    On 11/24/2020 at 8:33 PM, Mari said:

    Instead of the Gcode it is better to attach the Project-File, then we have not only the item but also your printer settings... attach a project-file that is correct and one that doesn't work...

     

    For comparing Gcode you could use a program like NotePad++...

     

    What material are U using? PLA? PETG? ABS?

     

     

    I will attach the profiles. I’m using PLA for now. Thank you for the reply. 

    Not working_sapphire_mod_real_size.3mf Working_sapphire_mod_real_size.3mf

    Edited by faraso
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    Posted · Faulty gcode or incorrect settings?
    On 11/25/2020 at 3:49 PM, faraso said:

    Did you come up with anything yet?

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    Posted · Faulty gcode or incorrect settings?

    OK, I solved the issue by enabling relative extrusion. I didn't know what it was for so I disabled it.

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