Operating System: Mac OS (Note: might work with other versions of this os.)
B2540MFP MAC OS X.2 PS Driver Installer
Install instructions for Mac OS Users: 1. Click on file B254OSXPSFCB.dmg.
2. Follow the instructions on your computer screen to save the file to your hard disk. (Write down the location where you saved the file.)
3. Double click the downloaded file on your system. This will extract the Mac Installer at the default file location.