Citizen Systems iDP3423 - Manual (Page 37)

iDP3420/3421/3423 User’s Manual
21 CITIZEN
5. DIP SWITCH SETTING
5.1 Location of DIP Switch
1. Turn off the power.
2. Open the printer cover.
3. If the paper roll has been set, remove it from the paper holder.
4. Detach the DIP switch cover. The DIP switch can be found at the location shown in the figure below.
(Only DS1 is available for the parallel interface)
DIP Switch Cover