Epson TM
U220 User Manual

vii
STD
Serial (DIP Switch 1)
SW Function On Off
1 Data receive error Ignored Prints “?”
2 Receive buffer capacity 40 bytes 4 KB
3 Handshaking XON/XOFF DTR/DSR
4 Word length 7 bits 8 bits
5 Parity check Yes No
6 Parity selection Even Odd
7 Transmission speed 4800 bps 9600 bps
8
BUSY condition Receive
buffer full
Receive
buffer full or
Offline
Serial (DIP Switch 2)
SW Function On Off
1 Print column 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3 Undefined - -
4 Serial interface selection Memory
switch
DIP switch
5 Undefined - -
6 For internal use only
(flash memory rewriting)
Enabled Disabled
7 Pin 6 reset signal Used Not used
8 Pin 25 reset signal Used Not used
Parallel (DIP Switch 1)
SW Function On Off
1 Auto line feed Enabled Disabled
2 Receive buffer capacity 40 bytes 4 KB
3~7 Undefined - -
8 BUSY condition Receive
buffer full
Receive
buffer full or
Offline
Parallel (DIP Switch 2)
SW Function On Off
1 Print column selection 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3~5 Undefined - -
6 For internal use only
(flash memory rewriting)
Enabled Disabled
7 Undefined - -
8 Pin 31 reset signal Used Not used

Epson TM
U220 Specifications

General

Print speed	4.7 lps
Character size	1.6 x 3.1 mm
Print technology	Dot matrix
Paper dimensions	57.5±0.5/69.5±0.5/76±0.5 x 83.0
Dimensions (WxDxH)	160 x 286 x 157.5 mm
Certification	WEEE/RoHS
Mean time between failures (MTBF)	180000 h
Parallel connector	Yes
Standard interfaces	Parallel