Mitsubishi Electric Apricot XEN pentium Owner's Handbook Manual page 47

Removing a cartridge
4. Push the control lever to the right to engage the
mechanism.
1. Do not attempt to remove the cartridge while it is
being accessed by the computer (that is, while the
green indicator is lit).
2. Push the control lever to the left to release the
mechanism.
3. Push the control lever further to the left (you will feel
a slight resistance as you do so) until the cartridge
springs a short way out of the drive.
Operating your computer
XEN OWNER'S HANDBOOK 3/15