Problems with PVA PrimaSelcet retraction - How do I print this? (Printing help)

RE: Problems with PVA PrimaSelcet retraction

Elvir — Tue, 30 Jun 2020 07:47:29 +0000

I belive my problems lays in Filament Sensor. Sometimes when the filament(PVA) is inside the extruder it just shows 0, after i reset the printer.

When i tried to test the sensor with allen key or with some ends of other filament (also tried it with PVA) it always works perfectlly. it always turn to 1.

RE: Problems with PVA PrimaSelcet retraction

Elvir — Tue, 30 Jun 2020 06:57:54 +0000

Yes i did, its dry.

but most interesting thing is, when i use the function filament unload it retracts normaly. But when I start to print a model it just stays blocked in extruder after the first layer.

RE: Problems with PVA PrimaSelcet retraction

Lichtjaeger — Tue, 30 Jun 2020 06:55:15 +0000

Did you dry the PVA before/during use? Moist PVA will easily get grinded by the gears what will result in a blockage.

Problems with PVA PrimaSelcet retraction

Elvir — Tue, 30 Jun 2020 06:36:59 +0000

Hello guys

i need some help. i have problems with PVA filament. the thing just doesn´t want to retract. after printing the first layer it always stays in extruted until MMU error comes out.

anyone with simiral problem?

Thanks in advance for any help