Also I have been getting this..... Can some one explain? I take it I need a new burner?

7/28/2007 12:58:16 AM info Media removed. Burning layer not ready to write
7/28/2007 12:53:41 AM error Write error at 0 (16) - Code 03 73 03 [Medium error, Power calibration fail (CD-burner is dirty)]
7/28/2007 12:53:28 AM info Write started 471504 sectors to write
7/28/2007 12:53:28 AM info Writing speed requested x2.4, effective x2.0
7/28/2007 12:53:28 AM info Available write speed: 2.4x
7/28/2007 12:53:28 AM info Media ID can't be read from this media
7/28/2007 12:53:28 AM info Media type: DVD+R
7/28/2007 12:53:28 AM info Ultra DMA mode 2 (ATA33)
7/28/2007 12:53:27 AM info Scanned files #18, folder #2 - total size 964524032 b. (920 Mb.)
7/28/2007 12:53:27 AM info Inserted media type : DVD+R
7/28/2007 12:53:27 AM info Write started
7/28/2007 12:53:26 AM info Media name: "50centp"
7/28/2007 12:53:26 AM info Burned folder: "C:\Documents and Settings\Owner\My Documents\ConvertXtoDVD\50centp"
7/28/2007 12:53:25 AM info New media inserted. Burning layer is ready to write
7/28/2007 12:53:24 AM info Compatible media types : DVD+R, DVD+RW, CD-R, CD-RW
7/28/2007 12:53:24 AM info New Drive selected : 1:0:0 - HP DVD Writer 300n 1.25 [E] (Ide)
7/28/2007 12:53:23 AM info New media inserted. Burning layer is ready to write
7/28/2007 12:27:48 AM info User default language : 1033 (0x0409h) - English (United States)
7/28/2007 12:27:48 AM info System default language : 1033 (0x0409h) - English (United States)
7/28/2007 12:27:48 AM info Version 2.2.3.258
7/28/2007 12:27:48 AM info ExeName : "C:\Program Files\VSO\ConvertXtoDVD\ConvertXtoDvd.exe"
7/28/2007 12:27:48 AM info OS : Microsoft Windows XP Personal Service Pack 2 (Build 2600)
7/28/2007 12:27:42 AM info ******************** Report session started ********************