Certain characters don't print on Mac OS 8.5 or later
This was discovered when trying to print language specific signs in this case Swedish ÅÄÖ in Excel. Other extended characters may also not print properly (for example accented characters in French).
To solve this problem:
Install "core font update" which you find at www.microsoft.com/mac and then under Downloads.
"Core Fonts Update
Description: You can get the newest Apple Macintosh versions of Times New Roman (2.91) and Arial (2.90)
This update includes a fix for a problem that prevented certain characters from being printed on PostScript level 3 printers."
Note: This information does not apply to Mac OS X.