Missing Lines when printing - DIFFERENT

[Mike-LI-NY]

When printing a merge letter from my MAC (FMP 8 Adv), it prints fine - when User B (Windows XP, FMP 7) prints the merge letter, it gets the first few lines ok, but then the middle of line 4 is blank - but there is words at either end of the line. And then when User C (Win Xp, FMP 8) prints it, there is only text at one end of the line and the rest is blank. The rest of the letter is intact the way it would be - it's like the words were "whited-out".

Has this ever happened to anyone? FYI It looks fine on the screen when it prints.