TA Triumph-Adler DC 2016 - Manual (Page 21)

Section 2 NAMES OF PARTS
2-5
Regarding the Automatic Drawer Switching
Function
When multiple drawers containing the same paper size have been
set, in the event the drawer supplying the paper becomes empty
during copying, the paper feeding will be automatically be switched
to another drawer.
Notes
• An optional drawer is required to do this.
• The Automatic Drawer Changing Function can also be
turned off if not needed. (Refer to P.6-20 "Auto
Drawer Switching ".)
• The paper has to be oriented in the same direction.