[OS X TeX] printing help?

[get86 at mac.com]

we have a finished paper [pdf] with lots of equations and some graphs.

graphs: we have a X - Y graph with a couple curved lines on it and on 
each line there are 2 points (dots) -no big deal, very simple looking.

on the screen we see the dots, in print we see the dots -BUT when we 
email it to a collaborator who uses a PC and he prints it, the dots are 
missing.

further, we have noticed a difference between Acrobat Reader 4.0 and 
Acrobat Reader 5.0 in whether we see the dots on the *screen*:
in 4 we don't, in 5 we do; but both give dots when printed.

that's fine for us, but why can't the other guy get the dots printed?
(i'm not at work and forgot whether he sees them on screen -he's not 
there but the email is!

i'll get this info straight Friday, but i believe the process is 
something like (Mac OS9): OzteX5/MacGS PPC/Acrobat Reader.

thanks in advance.

-Ted
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