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Epson TM-U220 Series Service Manual

Epson TM-U220 Series
102 pages
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5-8 Adjustment and Setting Rev. B
Confidential
Note:
The switch functions are shown in the following sections.
US DIP switch functions are slightly different from the STD functions.
STD Tables
Note:
See the tables on the next page when the letters in the illustration above are “US.”
See “Notes for DIP Switch 2-1” on page 5-9 for further information on the settings for DIP SW 2-1.
When you use a serial interface model with 1200 bps, 2400 bps, or 19200 bps, adjust the “serial interface
selection“ DIP switch function and the “serial communication condition“ memory switch.
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 selection 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 Reserved Fixed to Off
4 Word length 7 bits 8 bits 4 Serial interface selection Memory
switch
DIP switch
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 Pin 6 reset signal Used Not used
8 Busy condition Receive
buffer full
Receive buffer
full or offline
8 Pin 25 reset signal Used Not used
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
3~7 Reserved Fixed to Off 3~7 Reserved Fixed to Off
8 BUSY condition Receive
buffer full
Receive buffer
full or offline
8 Pin 31 reset signal Used Not used
Look at the numbers and letters in the area indicated in
the illustration. If the last letters are “US,” use the “US” tables
on the next page. If the last letters are “STD,” use the “STD”
tables below.
ON
OFF
ON
OFF

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Epson TM-U220 Series Specifications

General IconGeneral
Print Method9-pin, serial impact dot matrix
AutocutterPartial cut
WeightApprox. 2.5 kg
Paper Thickness0.06 to 0.085 mm
Operating Temperature5 to 45 °C
InterfaceRS-232, Bi-directional parallel, USB, Ethernet
Number of Columns42 columns
Data Buffer4 KB
Character Set95 Alphanumeric, 128 x 12 Graphic
Power SupplyAC adapter
Operating Humidity10% to 80% RH (non-condensing)
Print Speed4.7 lines per second (at 40 columns, 16 dpi)
Paper Width76 mm / 69.5 mm / 57.5 mm ± 0.5 mm
Copy CapabilityOriginal + 2 copies

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