Printing issues with Soleyin Ultra PLA - Grey Only

Flagship K Series Creality Flagship K2 Plus & CFS
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I have a Creality K2 Plus 3d (firmware 1.1.4.11) printer with the CFS (firmware 1.1.3) attached.

The CFS currently has in it Soleyin Ultra PLA Black and White and been printing no problems for months.

Today I added a Soleyin Ultra PLA Grey, configured on the front panel as Soleyin Ultra PLA and also in Creality Print 7.1

When I print with the grey filament it’s causing it to jam up in the extruder gear kit, resulting in having to take it apart and remove the clump of PLA jammed in between the ridged wheels.

I thought it was the CFS so swapped the filament and put the grey in the place of the working black. Same thing it jammed.

Is there something special / different about the Grey vs Black and White?

Could it be Creality Print 7.1, as I only upgraded today?

It appears to be printing with the extruder at 220C does that sound right? With a pressure advance of 0.6

I’m using the same print settings (default settings from Creality Print) for all the colours.

I’m confused.

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I have had issues with the Soleyin Ultra PLA as well - although I don’t have a solution for you as I’ve been just muddling my way yhrough things myself. I have issues with both grey and white. The white tends to pick up on the nozzle while printing - while the grey the trees seem weaker and i’ve had to adjust setting there….

all the best - hopefully others can help more , but i’ll be following along for more info myself

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I too have had issues with Soleyin. In fact I believe it was the gray also. One major thing that helped was really drying the filament before use

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