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v4.7.1 how to disable prime lines


mrx23dot
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Posted · v4.7.1 how to disable prime lines

In v4.7.1 how can I disable prime lines? (2 lines on side of the table before skirt)

Skirt is enough priming on my printer, more is just wasteful.

 

There is nothing relevant under 'Build plate adhesion'.

Searching for 'prime' also doesnt result much.

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    • 1 year later...
    Posted · v4.7.1 how to disable prime lines

    I have never heard of this.  This sounds like a printer specific feature maybe? 

     

    Actually - it's almost certainly in machine settings.  Make sure you are in PREPARE mode and go to top left area where you can see your machine.  Click drop down and look at the machine settings.  In there is some start gcode.  That is probably where someone put the lines.  What kind of printer do you two have?

     

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    Posted (edited) · v4.7.1 how to disable prime lines

    @gr5 nailed it again.  Most of the Creality printers have the purge lines on the side.  They are in the startup gcode in your Machine Settings.

    This is from an Ender 3 but they are all similar.  You can delete the lines in bold or put a semi-colon in front of them to comment them out.  The first G1 line after homing is better with the Z at 10 or 12.

     

    ; Ender 3 Custom Start G-code

    G92 E0 ; Reset Extruder

    G28 ; Home all axes

    G1 Z12.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed

    G1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position

    G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line

    G1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little

    G1 X0.4 Y20 Z0.3 F1500.0 E30 ; Draw the second line

    G92 E0 ; Reset Extruder

    G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed

    G1 X5 Y20 Z0.3 F5000.0 ; Move over to prevent blob squish

    Edited by GregValiant
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