ArcMap freezes, crashes, or appears slow when opening the Page and Printer Setup dialog box, or while changing options related to page and printer settings.
The user is printing through a Novell print server. This is a known issue.
A patch is available at the ESRI Support Site. Navigate to http://support.esri.com and click Downloads > Patches and Service Packs > ArcView > 'ArcGIS Desktop 9.0 ArcMap Slow Page and Print Setup Dialog Patch' or click on the link in Related Information.