The fan is used when doing bridges I have edited the profile to have 10% fan speed but have not tested it yet.
I am using Anycubic Mega-S and Cura 4 Beta. I've been printing at 250 degrees as the filament roll says 245-265, bed temp is 110. No issues with first layer adhesion.
Are you using any fan? It looks like you have the fan off. what kind of printer is this?
ABS needs just a little bit of fan for overhangs and quality in general. But too much fan and it will have bad adhesion and very poor strength along layer lines and might even split while printing along layer lines.
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