Epson Epson - Manual (Page 60)

When you want to remove the diskette, make sure the drive
light is off; then press the release button. Remove the diskette
and store it properly.
C a u t i o n
Never remove a diskette, reset the computer, or turn it off
while a diskette drive light is on. You could lose data. Also,
remove all diskettes before you turn off the computer.
Stopping a Command or Program
You may sometimes need to stop a command or program while
it is running. If you want to stop a DOS command or DOS
application program, try one of the following from the DOS
prompt:
Press Pause
Press Ctrl C
Press CM Break
Using Your Computer 3-9