Exabyte 230D Library Installation And Operation Manual page 112

Chapter 5
To access the cartridges, you must first open the library door.
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open the library door unless you need to remove
and replace cartridges or perform a maintenance
operation. After the door has been opened and
then closed, your backup application may perform
a time-consuming cartridge inventory process, in
addition to the library's own power-on self-test.
Insert the key into the lock, push in, and turn it clockwise
one-quarter turn.
When the robot finishes the current operation and moves to
the park position, the door's interlock mechanism releases.
Open the library door.
Do not force the library door open. The door's
interlock mechanism may be prevented from
releasing by LCD security, laser scanner
operation, a SCSI PREVENT/ALLOW MEDIA
REMOVAL command, or by the application
software.
During library operation, do not
Exabyte 230D