Adjusting The Dip Switches; When The Letters Are Std - Epson TM-U220 Reference Manual

3.4.2 Adjusting the DIP Switches

The printer has two sets of DIP switches. The function of the DIP switches is different for each
interface model.
If you need to change settings, follow the steps below to make your changes:
CAUTION:
Turn off the power while removing the DIP switch cover to prevent an electric short,
which can damage the printer.
Use a crosshead screwdriver to remove the screw holding the DIP switch cover.
OFF
Note:
The functions of the switches are shown in the following sections.

3.4.2.1 When the letters are STD

Serial model
(DIP Switch 1)
SW Function
1 Data receive error
2 Receive buffer
capacity
3 Handshaking
4 Word length
5 Parity check
6 Parity selection
7 Transmission speed
8 BUSY condition
Rev. E
ON
ON
OFF
On Off
Ignored Prints "?"
40 bytes 4 KB
XON/XOFF DTR/DSR
7 bits 8 bits
Yes No
Even Odd
4800 bps 9600 bps
Receive Receive
buffer full buffer full or
Offline
TM-U220 Technical Reference Guide
Look at the numbers and letters in the area
indicated in the illustration.If the last
letters are "STD", use the "STD" tables.
CAUTION:
Be sure to put back the DIP switch
cover before using the printer.
(DIP Switch 2)
SW Function
1 Print column
2 Reserved
(Auto cutter enable/
disable)
3 Reserved
4 Serial interface
selection
5 Reserved
6 Reserved
7 Pin 6 reset signal
8 Pin 25 reset signal
On Off
42/35 40/33
Type A, B Type D
Fixed to On Fixed to Off
- Fixed to Off
Memory DIP switch
switch
- Fixed to Off
- Fixed to Off
Used Not used
Used Not used
Setup 3-15