Epson PP-100II User Manual page 75

6. If you want to eject error discs to stacker 3, insert stacker 3.
Caution:
c
❏ Make sure that there are no discs in stackers 3 and 4.
❏ Do not pull out stacker 4. Be sure to lock the lock lever located on stacker 4.
7. If you want to eject error discs to stacker 4, unlock the lock lever located on stacker 4.
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Publishing Discs