Epson 5000 - Manual (Page 102)

Assembling the double-bin cut-sheet feeder
You can connect the single-bin cut-sheet feeder to the
high-capacity cut-sheet feeder to create a double-bin cut-sheet
feeder. Follow these steps:
1. Remove the gear cover from the back of the high-capacity
cut-sheet feeder and store it in a safe place.
Caution:
Once you connect the single-bin cut-sheet feeder to the
high-capacity cut-sheet feeder, you cannot disconnect them
by yourself. If you want to disconnect them, contact your
dealer.
4-10 Using Printer Options