Reading a CD that has no reflective layer

Antonio Carlini arcarlini at
Thu Nov 20 04:54:56 CST 2014

Here's one that looks like mine:

The Owner's manual is on the web too:

and that has drawings of the caddy.

There's an even better drawing here:


On 19 November 2014 23:45, Glen Slick <glen.slick at> wrote:

> On Wed, Nov 19, 2014 at 2:25 PM, Peter Coghlan >
> > I've got a few caddies that seem to fit in an RRD40 but the only markings
> > on them are a couple of arrows, "COMPACT disc" (on each side of the
> outside
> > translucent shell) and "LABEL", "DATA" and "Made in Belgium" (on the
> inner
> > flat-spectacle-frame-like-thingy).  There is a group of four over four
> notches
> > cut out of the front edge that look like they might have some
> significance.
> >
> > I've only just noticed now on examining one closely that on the other
> side
> > from the notches is a little slide control not unlike the write protect
> on
> > some types of magnetic media and the little arrow beside it actually
> looks
> > like a head over platter type symbol.  What's that about?
> >
> Are there any good quality photos of RRD40/CM-201 caddies on the net
> somewhere? I only have a couple of the drives and have never seen the
> caddies myself so I don't know exactly what they look like and how you
> would recognize one for sure.
> -Glen

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