Jumper Setting - Epson DM-D210 Technical Reference Manual

Setting the DP-110
Connector installation screw
Inch-type hexagonal lock screws are installed in the connector for serial cable connection of DP-110. 
If millimeter-type lock screws are needed, use the millimeter-type lock screws of the accessory.
Notch (one or more lines)
inch-type

Jumper setting

Set the jumpers as follows:
JP1 JP2
1-2 1-2
2-3 2-3
millimeter-type
For connecting both the TM printer and the DP-110. (Default setting)
Set this when using a standalone connection.
Installation screw
Description
Chapter 2 Setup
2
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