Could be a driver issue, have you checked HP's website for updated drivers
or find out about support information and compatibility with Windows Vista?
Try removing and re-add the printer again and see if it corrects the
problem.
--
Andre
Blog:
http://adacosta.spaces.live.com
My Vista Quickstart Guide:
http://adacosta.spaces.live.com/blog...3DB!9709.entry
"Jasia Abush" <> wrote in message
news:6285EDAA-2F2F-4F66-932C-...
> My HP LaserJet 4 Plus prints a blank page AHEAD of the printed pages. It
> does
> so only on the first printing job after turning the printer on. The blank
> page comes with a small imprint, on the upper left corner: s1M
> Afterwards it continues printing without problem.
>