Operating System: Mac OS (Note: might work with other versions of this os.)
C5500n / C5800Ldn Intel MAC OS X.4.x GDI Driver
Download instructions for Mac OS Users: 1. Click on file 5558OSXGDIEB.dmg
2. Follow the instructions on your computer screen to save the file to your hard disk. (Note the location where you saved the file.)
3. Double click the downloaded image file on your system. This will contain the OKI Mac installer.