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  1. #1

    Excessive Extrusion After Resume - Repetier

    problem with windows version, not the mac version.

    I am seing strange behavior after programmatic pauses (@pause)

    on the first extruding move, after i continue to print, it absolutely gushes plastic, perhaps ten times more then it needs too.

    the resulting blob can easily ruin a print

    has anyone seen this?, has anyone overcome it?
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    printer model: Printrbot Simple Metal

    Repetier, 1.5.6, Windows 7 Pro, SP1.

  2. #2
    Staff Engineer LambdaFF's Avatar
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    ... Yes, it can happen. That is why I would suggest to make the pause not over your print or to ensure (if for instance you use the pause to change filament) that you extrude a bit first to relieve the pressure and do that on a scraper that you hold under the hot end.

  3. #3
    There is a few reason that can cause this and LambdaFF touched on one of the most common ones. In the past I have had this problem but adding a new script into your printer settings seemed to help me.

    Printer settings --> Script --> Script 1 (rename to something like "Run On Pause" --> Insert below Gcode --> Apply
    G91 ; set relative positioning
    G1 E-2 F1800 ; retract filament slightly to avoid drips
    G1 Z20 ; move extruder up 10mm
    G90 ; return to absolute positioning

    Hope this helped.

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