When you connect the wrong power supply unit, the printer will not perform correctly. See below to determine which power supply unit should be connected to the printer.
|TM-U220 Alphanumeric model (Type A,B, D)||TM-U220 Multilingual model (Type A,B, D)|
|AC Adapter,C, AC Adapter,C1, or PS-180 (option)||PS-180 or AC Adapter,C1|
This information was taken from the Epson TM-U220 Technical Reference Guide.
Additional guides and manuals are available at: