Seiko TM-U590/U590P - Manual (Page 17)

Setting Up the Printer 1-5
Connecting the Drawer
WARNING:
Use a drawer that matches the printer specification. Using an
improper drawer may damage the drawer as well as the
printer.
CAUTION:
Do not connect a telephone line to the drawer kick-out
connector; otherwise the printer and the telephone line may
be damaged.
Plug the drawer cable into the drawer kick-out connector on the
bottom of the printer next to the power supply connector.