I was trying to burn an ISO disk image through Disk Utility last night on my MacBook Pro (where burning previously worked flawlessly). At first I thought it might have been related to the recent drive firmware that came in an update and that I was going to be in for a real fight to get it to work.
The error message was very simple, and didn't have any real useful details, but Disk Utility keeps a burning log at ~/Library/Logs/DiscRecordling.log and it said this:
Disk Utility: Burn started, Wed Jan 20 01:00:58 2010 Disk Utility: Burning to DVD+R (RITEK F16) media with DAO strategy in MATSHITA DVD-R UJ-868 KB19 via ATAPI. Disk Utility: Requested burn speed was 47x, actual burn speed is 8x. Disk Utility: Burn failed, Wed Jan 20 01:01:17 2010 Disk Utility: Burn sense: 3/73/03 Medium Error, Power calibration area error Disk Utility: Burn error: 0x8002006D The disc can't be burned; it might be incompatible with this disc drive. Please try a different brand of disc, or try burning at a slower speed.
Some googling got me to the Apple support forums, with a whole bunch of suggestions, many of which sounded like superstition (SMC reset, fix permissions, etc.). I went with the simple one.
Blow some compressed air into the drive.
The thing worked flawlessly after that. Try that first. :-)
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