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DIP SWITCH SETTING
The Epson 420i has two banks of eight DIP switches located on the back of the printer
next to the interface connectors. The switch banks are labeled 1 and 2, with the in-
dividual switches in each bank labeled from 1 to 8. To identify a particular switch
we use a two part number consisting of the bank number followed by the switch
number. For example, 2-4 identifies the fourth switch from the top in bank number 2.
BANK 1
BANK 2
DIP switches.
All DIP switch selections should be performed with the power OFF. The switches
are located at the rear of the printer next to the input connector. As shipped
from the factory, all switches are turned OFF.
DIP Switch Bank 1
DIP Switch Bank 1 controls the selection of the interface that you want to use. If you
are using a parallel interface, then you should be able to leave this bank of switches
alone (they should be all set to OFF). If you are using the serial (RS-232-C)
interface, then the settings of this bank of switches must be set to match the serial
interface settings of your computer.
• Interface and Protocol Selection
* Number of Data Bits Selection
26