Layer Change Script Tab

[DonStauffer]

I don't think First Layer Width is what you want.

My understanding is that First Layer Width will change the spacing between nozzle positions on the first layer as well. That is, the First Layer Height and Width affect nozzle physical location as well as extrusion.

This should work, in the Layer Change Script:

{IF "[current_layer]==1"} M221 S80
{IF "[current_layer]==2"} M221 S100