What weight are you using now? I think I will have to re-look up the
conversion factors from European to American paper, but I believe 20
pound american is plenty heavy enough. I think I've even use 18 with
decent results. I don't think I've used A3 much (or 11x17 american). I
suspect with the
Bruce says all good things, to which I add:
Some papers that are too smooth jam in my HP LaserJet 4, including
premium papers with the HP brand on them! Smooth paper tends to get
ghosts as well, that is to say, some dense item like the title on an
extracted part shows up every couple of inches