3 Installing Client Software for Macintosh126 About the InstallationAbout the InstallationPlease refer to following instructions for configuring printing systems on Macintosh computers.P.126 “About Client Software for Macintosh”P.126 “Planning for Installation”P.127 “Installing the Printer on Mac OS X 10.2.4 to Mac OS X 10.4.x”P.154 “Installing the Printer on Mac OS 8.6/9.x”About Client Software for MacintoshPostScript Printer Description FileThe Macintosh PPD (PostScript Printer Description) file contains information about controller-specific features. There are two PPD files provided in the Client Utilities CD-ROM: one is forMac OS 8.6/9.x and the other is for Mac OS X.Information within the PPD file for Mac OS 8.6/9.x works in conjunction with the standard Macin-tosh LaserWriter 8 printer driver version 8.6.5 (or later). This Macintosh PPDs are supplied forMac OS 8.6 to 9.x and it also supports Mac OS X 10.1/10.2 Classic mode.Information within the PPD file for Mac OS X works in conjunction with the Print Center (Mac OSX 10.2.4 to 10.2.8) or Printer Setup Utility (Mac OS X 10.3.x to Mac OS X 10.4.x) on Mac OS X10.2.4 to Mac OS X 10.4.x.Planning for InstallationSystem RequirementsTo install the printer drivers on a Mac OS computer, the following environment is required.Display Resolution: 1028 x 768 dots or moreOS: Mac OS 8.6 to 9.x, Mac OS X 10.1 (Classic), Mac OS X 10.2 (Classic)Mac OS X 10.2.4 to Mac OS X 10.3.xProtocol: TCP/IP, AppleTalk (Ethernet), BonjourPrinter Driver: LaserWriter 8 printer driver version 8.6.5 or later(not required for Mac OS X)Mac OS X 10.2 and its earlier versions of Mac OS X are supported in Classic mode using thePPD file for Mac OS 8.6 to 9.x. This equipment also provides the PPD file for Mac OS X 10.2.4to Mac OS X 10.3.x.