(2008-01-04) Problem Printing Wikipedia From Firefox

I'm having problems printing "printable versions" of pages from Wikipedia on both my MacBook and IBook. I have no problems printing

• selections from the regular versions of Wikipedia pages

• full simple web pages (e.g. this page)

• simple stuff from other apps

This is a new development. (Problem noticed ~Jan22; probably successfully printed "printable" pages a month prior....