Epson DM-D70 Technical Reference Manual page 27

7
Attach the stand to the extension pole. Insert the tab on the stand into the groove
on the pole.
8
Secure the USB cable by fitting it into the groove, and then route the cable so that
it passes through one of the three notches.
Make sure to fit the cable into the groove to secure the cable properly.
9
Connect the USB extension cable if necessary.
Chapter 3 Installing the Product in Various Ways
27