The original poster did not mention an Optical Drive.
All CD Drives have drivers.
p.s.: A Driver is the software that controls the device.
Q.E.D.
First, a CD Drive IS an optical drive. It uses a laser. and it uses a a photosensitive detection mechanism to read. Optical.
Also Your post indicates that the solution would be in updating the driver. While your pedanticism that they have drivers is correct, it is NOT correct that any of that is relevant. Updating the driver will not help simply because
there is nothing to update to. The "driver" used by every single Optical (CD, DVD drives) is the exact same driver. it's a Class driver designed to run Any CD-ROM or DVD-ROM drive.
Secondly, it would appear that there is some confusion over what the driver does in this particular instance. All drives send the host machine a signal when the drive door is closed; this signal inevitably is trapped by the Driver and immediately passed off to the operating system.
I really don't see how updating a driver could possibly help in this instance, given the fact that, as stated in the first post, the issue only occurs with blank discs. The first location on the system where there is any sort of branch based on wether the disk is empty would be within autoplay.
http://support.microsoft.com/kb/314060
This link is no help either, since it states quite clearly "Your CD drive or DVD drive is missing or is not recognized by Windows or other programs". However, if we look closely at the original post, we see:
"Why does my computer (windows XP) reboot whenever I put a blank CD/DVD in the tray?"
whereas to match the scenario in question they would likely ask, what happened to their drive icon.