Epson U375 - TM B/W Dot-matrix Printer User Manual page 21

Check the label on the power supply to make sure that the required
2.
voltage matches that of your electrical outlet.
Plug the power supply's DC cable connector into the printer's power
3.
connector as shown below.
TM-U375
TM-U375P
4. Plug the power supply's power cord into an electrical outlet.
Note:
To remove the DC cable connector, grasp the connector at the arrow
and pull it straight out. Make sure that the power supply 's power
cord is unplugged before you disconnect the DC cable connector.
Setting Up the Printer
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