Microsoft Xbox Repair Manual page 34

When the actuator is to the left toward the circuit board the laser assembly is down and the hub
that the DVD/CD's would reside on is below the tray.
When it is below the tray as pictured below, slide the tray all the way out, there are two tabs
circled in green that will stop the tray from coming all the way out, depress these and completely
remove the tray.
If your tray slides in and out freely the large black gear circled in green on the left is probably out
of place and may be bouncing around in side the drive somewhere but you should have already
found it by now!
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