Apple has recently released a patch for issues displaying and printing OpenType fonts across various applications.
Some of the issues addressed:
Address an issue in which some OpenType fonts don't display correctly in certain applications
Resolve issues printing from Preview
Address an issue with PDF files not opening in third-party PDF viewing applications
Resolve invalid font errors when printing to PostScript printers
If you currently have Snow Leopard installed please be sure to run Software Update under the Apple icon in the upper left-hand corner of the menu bar.
Please see the following link for further details from Apple.
Edited by JimW