FUJITSU Gigamo Disk Detection Error

I have a Fujitsu 3.5 inch Gigamo (MCE3130AP) CD-Magneto Optical drive and some CD-MO Discs.

Problem is, when I insert a disc, I cannot get the thing to recognize the disk. I try to format the 1.3 Gb & the 640 Mb discs to no avail.

Please help!:sad: