I am looking for some input on the following scans. I have an older (c. 2005) BenQ DW-1640 that I am using for disc quality scans. Here are typical Nero DiscSpeed 5 scans recently for Verbatim MCC 03RG20 disks which generally have been rather good.
Basic Disc Quality
Advanced Disc Quality
But then the TRT goes to all hell. (And it does so on about 50% of burns, lately.)
Here's the same disc TRT in a Lite-On iHAS-220. I know this is kind of comparing apples and oranges, but just adding it anyway.
Is this just a problem with laser tracking or something with the BenQ DW-1640? That is, should I put more credence into the Basic and Advanced Disc Quality scans and less in the TRT?
And, is there a better scanning-only firmware for the DW-1640 that might eliminate these issues?