Launch Disk Utility from Applications:Utilities and select your CD from the list on the left.
Click the New Image button to create a dmg of your CD or DVD.
Enter a name and location to save your image as then click the Create button.
Disk Utility will now create your new disk image.
Once done you will notice that your disk image will appear on the left hand side of the Disk Utility window. (ie Solo.dmg).
Select the dmg from the left side of the Disk Utility menu then click the Burn button.
Your original CD or DVD will then be ejected and Disk Utility will indicate that it is waiting for a blank CD or DVD.
Insert a blank CD or DVD then click the Burn button.
Once the burning has completed you will notified that it was successful. Click the OK button to finish the process.