23Part Names and FunctionsStacker 4Pull outHold the Stacker 4 grip and pull out the stacker.Push inHold the Stacker 4 grip and push the stacker in.Do not apply strong force to Stacker 4 when handling it.When the BUSY LED is flashing quickly, a disc is being ejected, so do not pull out Stacker4. Discs may be damaged.Set the lock lever to [UNLOCK] when using Stacker 4.