Homebrew PCBs

Hi all

I know that laser printers has to be used and not inkjets. I like to
know if this model #C520n prints dark enought on the first try and if
not, can you reprint a few more times.

How long can you not use the printer before the toner drys same as
injets dry up if you don't use printer for long  periods of time as I
will only be using this printer for circuit boards and Decals.

How long can you leave the toner on the paper before transfering to the
copper boards.Is there a time fame.

I just bought a new lexmark from staples depot on clearance sale for $85
with a 30 day return policy. I'd like to know if anyone here has used
this printer before I take it out of the box, as the return will be
easier.

allie