I am printing several pages.

Problem 1:
While the printout looks fine on one printer (OKI C9400 PCL) it comes out as
gibberish on another one (HP LaserJet 5/5M PostScript)

Other Windows applications (such as Word, Excel) print OK to both.

Problem 2:
If I preview the pages (using any of these printers), the printout looks OK
on screen.
When printing from the Preview dialog only partial data is printed (same on
both printers except for the gibberish).

Any ideas?