Epson TM-U220 Series Service Manual

Rev. B Adjustment and Setting 5-9
TM-U220 Type A Service Manual
Confidential
US Tables
Note:
See the previous page for STD tables.
Notes for DIP Switch 2-1
DIP switch 2-1 defines the number of print columns per line as shown in the following table
.
Units: cpl (characters per line)
Serial Model
(DIP Switch 1) (DIP Switch 2)
SW Function On Off SW Function On Off
1 Data receive error Ignored Prints “?” 1 Print column 42/35 40/33
2 Receive buffer
capacity
40 bytes 4KB 2 Reserved
(Autocutter enabled/
disabled)
Fixed to On —
3 Handshaking XON/XOFF DTR/DSR 3 Pin 6 reset signal Used Not used
4 Word length 7 bits 8 bits 4 Pin 25 reset signal Used Not used
5 Parity check Yes No 5 Reserved — Fixed to Off
6 Parity selection Even Odd 6 Reserved — Fixed to Off
7 Transmission speed 4800 bps 9600 bps 7 Reserved — Fixed to Off
8 Busy condition Receive
buffer full
Receive buffer
full or offline
8 Serial interface selection Memory
switch
DIP switch
Parallel / USB / Ethernet Model (Not for Serial Models)
(DIP Switch 1) (DIP Switch 2)
SW Function On Off SW Function On Off
1 Auto line feed Enabled Disabled 1 Print column selection 42/35 40/33
2 Receive buffer
capacity
40 bytes 4KB 2 Reserved
(Autocutter enabled/
disabled)
Fixed to On —
3 Reserved — Fixed to Off 3 Reserved — Fixed to Off
4~7 Reserved — Fixed to Off 4 Pin 31 reset signal Used Not used
8 Busy condition Receive
buffer full
Receive buffer
full or offline
5~8 Reserved — Fixed to Off
Paper width Character font
DIP switch 2-1 status
ON OFF
76 mm Font A (9 x 9) 35 33
Font B (7 x 9) 42 40
69.5 mm Font A (9 x 9) 32 30
Font B (7 x 9) 40 36
57.5 mm Font A (9 x 9) 27 25
Font B (7 x 9) 33 30

Epson TM-U220 Series Specifications

General

Print Method	9-pin, serial impact dot matrix
Autocutter	Partial cut
Weight	Approx. 2.5 kg
Paper Thickness	0.06 to 0.085 mm
Operating Temperature	5 to 45 °C
Interface	RS-232, Bi-directional parallel, USB, Ethernet
Number of Columns	42 columns
Data Buffer	4 KB
Character Set	95 Alphanumeric, 128 x 12 Graphic
Power Supply	AC adapter
Operating Humidity	10% to 80% RH (non-condensing)
Print Speed	4.7 lines per second (at 40 columns, 16 dpi)
Paper Width	76 mm / 69.5 mm / 57.5 mm ± 0.5 mm
Copy Capability	Original + 2 copies