EPSON TM-U220
2 - EPSON TM-U220 5/03
DIP Switches/Memory Switches
Type A
Serial I/F
DIP Switch 1
DIP Switch 2
Parallel I/F
DIP Switch 1
DIP Switch 2
Bold = default setting
Cpl = characters per line on 76 mm paper
Types B and D
Serial I/F
DIP Switch 1
DIP Switch 2
Parallel I/F
DIP Switch 1
DIP Switch 2
Bold = default setting
* Type B default = on; Type D default = off
Cpl = characters per line on 76 mm paper
Memory Switch MSW 2
Memory Switch MSW 8
Customized value (Set with GS ( E Command)
No. Function On Off
1 Data reception error Ignored Print “?”
2 Receive buffer size 40 bytes 4KB
3 Handshaking XON/XOFF DTR/DSR
4 Word length 7 bits 8 bits
5Parity check Yes No
6 Parity selection Even Odd
7 Transmission speed 4800 bps 9600 bps
8 Busy condition Receive buffer full Offline
Receive buffer full
No. Function On Off
1 Characters per line (cpl) 42/35 40/33
2 Reserved (autocutter) Enabled Disabled
3 Undefined — —
4 Serial settings By memory switch By DIP switch
5 Undefined — —
6 Reserved (Flash rewrite) Enabled Disabled
7 Pin 6 reset signal Used Not used
8Pin 25 reset signal Used Not used
No. Function On Off
1 Auto line feed Enabled Disabled
2 Receive buffer size 40 bytes 4KB
3-7 Undefined — —
8 Busy condition Receive buffer full Offline
Receive buffer full
No. Function On Off
1 Characters per line (cpl) 42/35 40/33
2 Reserved (autocutter) Enabled Disabled
3-5 Undefined — —
6 Reserved (Flash rewrite) Enabled Disabled
7 Undefined — —
8Pin 31 reset signal Used Not used
No. Function On Off
1 Data reception error Ignored Print “?”
2 Receive buffer size 40 bytes 4KB
3 Handshaking XON/XOFF DTR/DSR
4 Word length 7 bits 8 bits
5Parity check Yes No
6 Parity selection Even Odd
7 Transmission speed 4800 bps 9600 bps
8 Busy condition Receive buffer full Offline
Receive buffer full
No. Function On Off
1 Characters per line (cpl) 42/35 40/33
2 Reserved (autocutter) Enabled Disabled
3Pin 6 reset signal Used Not used
4 Pin 25 reset signal Used Not used
5 Undefined — —
6 Reserved (Flash rewrite) Enabled Disabled
7 Undefined — —
8 Serial settings By memory switch By DIP switch
No. Function On Off
1 Auto line feed Enabled Disabled
2 Receive buffer size 40 bytes 4KB
3-7 Undefined — —
8 Busy condition Receive buffer full Offline
Receive buffer full
No. Function On Off
1 Characters per line (cpl) 42/35 40/33
2 Reserved (autocutter) Enabled* Disabled*
3 Undefined — —
4Pin 32 reset Used Not used
5 Undefined — —
6 Reserved (Flash rewrite) Enabled Disabled
7-8 Undefined — —
Bit Function 48 (Off) 49 (On)
1-2 Undefined Fixed to Off —
3 Character code (for Simplified
Chinese)
GB18030 GB2312
4-8 Undefined — —
Bit Function 48 (Off) 49 (On)
1-4 Undefined — —
5 Cover open status selection Paper end Cover open
6Undefined — —
7 Receive buffer BUSY goes off
when remaining bytes exceed
256 bytes 138 bytes
8 Printer cover open during
operation
Automatically
recovers
Can recover on
command
Function Value
Paper width 57.5 mm
76 mm
69.5 mm
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