OT: Thank you so much for the reply. One more question: Does the Printer remember its Power state - like if the relais cuts it off and then it turns on again once it regains power? That would be super awesome to know and something I could not research on the net :-(. I'm happy with my HL-2130 (dirt cheap repleacement for drum (15€) and toner (10€)) for now, but some day in the future ...
If I turn on power to the printer from the power strip, it immediately powers up and will print. I think it has some sort of power-saver mode after it is done printing, but when I'm done I usually cut power to the printer at the power strip anyway.
It does have a power button (near the wifi button) but I expect that is a soft switch of some sort.
That said, I plug peripherals like this into a power strip with individual switches for each outlet.