This is actually the v1.6 firmware upgrade to the MP9060A CD-R/RW/DVD drive. A fellow over at WinDrivers posted the actual location of this file ext.ricoh.co.jp/cd-r/cgi/e-/ndvd-de.html
Kudos to him for digging this one up, as Ricoh's web site support is non-existant at best. Caveat I haven't actually installed this myself, so I have no idea if it works or not, but it's supposed to clear up some of the problems with the earlier version of the firmware. See the above website for details.