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Posted · Printed under extrude some part

i have a print that under extrude at the begin of the layer change. if i turn off fill gap in cura, then the problem is gone, but aother problem such as filament didnt fill the gap the rest of the print. so any idea which setting i need to turn on? if i turn on prime then it would be over extrude for the most of the starting print after retraction. my guess is the filament ooze out when filling gap and there is not enough filament to extrude after that, just couldn't find the setting to get over with this problem. please help. thanks in advance....

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    Posted · Printed under extrude some part

    If you would use "File | Save Project" and post a 3mf file here someone will take a look.  The usual suspects are:

    "Combing" (long moves allow the nozzle to ooze and loose pressure and any Prime is insufficient).

    "Coasting" (pressure is allowed to fall by design and there is a slight lag when extrusion re-starts).

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