One of my DVD writers, an NEC ND-2510A, has been in use for over two years now and must have burnt a lot of DVDs, and perfectly too. But in the past couple of weeks I've noticed the discs have started to develop small scratch marks on them after they have finished writing.
I always check the disc surface before I put a disc in to be written and they are always scratch free. But after the write process has finished and I take the disc out at least one scratch is then on the disc. The scratch is always on the outer edge and between .5 and 1 cm in length going from the edge of the disc towards the centre in a near straight line.
Any ideas what part of the drive could be causing this scratch?
I'm wondering if it could be getting scratched after the disc has finished writing, when it is being ejected, but I have no way of testing this.
The scratch doesn't seem to effect the reading of the disc though as I run them all through CDCheck after writing and they have no errors reported.
Maybe it's time to just replace that writer with one of the new NEC drives.