Epson C11CA31121 User Manual page 22

Stacker 3
Remove
Hold the handle, lift it up, and then pull towards you to take out.
Attach
 When you insert Stacker 3, first check that there are no discs in Stacker 4, and then
attach it.
 When you use Stacker 3, set the lock to [LOCK], and do not pull out Stacker 4.
Hold the handle, line up the indentations, and attach.
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