DVD burner health?

New to these forums - I have a suspicion my burner needs replacing. I can't successfully burn any disk. I just tried to burn an image. Here is the print out from /var/log/messages:

Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.357906] sr 2:0:1:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.357912] sr 2:0:1:0: [sr0] Sense Key : Illegal Request [current]
Feb 27 20:31:04 puppypc30125 user.warn kernel: [ 103.357917] Info fld=0x0
Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.357919] sr 2:0:1:0: [sr0] Add. Sense: Logical block address out of range
Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.357925] sr 2:0:1:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
Feb 27 20:31:04 puppypc30125 user.err kernel: [ 103.357933] end_request: I/O error, dev sr0, sector 0
Feb 27 20:31:04 puppypc30125 user.err kernel: [ 103.357936] Buffer I/O error on device sr0, logical block 0
Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.360655] sr 2:0:1:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.360658] sr 2:0:1:0: [sr0] Sense Key : Illegal Request [current]
Feb 27 20:31:04 puppypc30125 user.warn kernel: [ 103.360662] Info fld=0x0
Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.360664] sr 2:0:1:0: [sr0] Add. Sense: Logical block address out of range
Feb 27 20:31:04 puppypc30125 user.info kernel: [ 103.360668] sr 2:0:1:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
Feb 27 20:31:04 puppypc30125 user.err kernel: [ 103.360675] end_request: I/O error, dev sr0, sector 0
Feb 27 20:31:04 puppypc30125 user.err kernel: [ 103.360678] Buffer I/O error on device sr0, logical block 0
Feb 27 20:33:21 puppypc30125 user.info kernel: [ 240.478197] EXT4-fs (sdb3): mounted filesystem with ordered data mode. Opts: (null)

Thanks.