From: phaedrus@halcyon.com (Mark Phaedrus)
Subject: Re: Geneva,Cairo display but don't print (sys 7.)
Organization: The 23:00 News and Mail Service
Date: Sat, 19 Dec 1992 18:11:23 GMT

In article <19905.2B331D54@zeus.ieee.org> Eric.Choi@zeus.ieee.org (Eric Choi) writes:
>  cu> From: cthurrot@jade.tufts.edu (cthurrot@pearl) Date: 14 Dec 92

>  cu> Help please! Hi, I just upgraded to system 7.0.1 from 6.0.5 and am
>  cu> having probs printing to my Laserwriter IIntx.  In all my
>  cu> applications, Geneva and Cairo display fine on the screen, but then
>  cu> print out as helvetica and a serif font (times?) when I send to the
>  cu> printer.  

>Chris, you need the Truetype fonts for Chicago and Geneva installed in the
>System file. If you choose view by icon, it is the suitcase wih the three "A".
>You still need those with the single "A". These are the bitmap fonts which
>appear on your screen, scaled according to the TrueType fonts.

     Huh?
     First of all, as far as I know, Chicago and Cairo don't have anything to
do with each other, other than both being bitmap fonts starting with "C" and
ending with "o". :)
     Second, you don't need to have any TrueType fonts installed (though of
course printing quality will degrade if you remove them and if you use a font
size for which there's no bitmap available), and if you have TrueType fonts
installed you don't need the bitmap versions installed (though the Finder won't
let you remove Chicago 12 and Geneva 9, the system and application fonts; I
believe you can remove these with ResEdit and the system will still work fine
as long as TrueType versions of Chicago and Geneva are available).  Having
both the bitmap and TrueType versions of the same font available gives you
two advantages; the bitmaps can usually be displayed faster than the TrueType
versions, and bitmaps are often more legible than TrueType fonts at small point
sizes.
     Third, I doubt the original poster's problem has anything to do with 
TrueType.  Check the LaserWriter's "Options" dialog.  If the "Font 
Substitution" checkbox is turned on there, the LaserWriter driver will 
substitute Postscript fonts for certain bitmap fonts (for example, I believe
Times is substituted for Geneva, and Helvetica for Chicago).  This happens
whether or not a TrueType version of these fonts is available.  So if you
have TrueType versions of all the fonts you're using in your document, you
will almost always want to turn Font Substitution off.  (Font Substitution is
usually a losing proposition in any case; the fonts that the driver substitutes
in generally don't have the same size and character metrics as the fonts
they're being substituted for, but they're printed as if they did, usually
resulting in funny-looking output.  If you want quality output, and you have
TrueType, turn Font Substitution off; if you don't have TrueType, then just
don't use Chicago, Geneva, Monaco, or any of those other "city-name" fonts,
and still turn Font Substitution off.)
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