On 16 Mar 2007 11:45:39 -0700, "Sid B"
wrote:

"Writing Error: (3) Error reserving DVD-R track/Session blocks.
Unknown error - use extended data for more information (1051). Error
Sense Data: SENSE KEY: 5 ASC: 30 ASCQ: 5"

So, your next move would be to try a different brand of DVD
media.

But MAT****A UJ-840D seams to have some reputation in the early
retirement field :-)

--
Kind regards,
Gerard Bok