Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
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A
TM-U220A
Specification
(For Argentina Fiscal)
29 28
3.3 Switches and Buttons
3.3.1 Power button
The power button (a rocker switch) is located on the upper right front of the printer turns the power on
or off.
3.3.2 Panel buttons
FEED button (Non-locking push button)
[Function]
•
If you push this button once and release it, the printer feeds paper one line, based on
the line spacing set by
ESC 2
and
ESC 3
. However, paper feeding using the FEED
button cannot be performed when the roll paper end sensor detects a paper end.
•
During self-test printing, you can stop the self-test temporarily by pressing this button
and restart it by pressing the button again.
NOTE: This button is disabled by
ESC c 5
.
3.3.3 DIP switches
The DIP switch settings set before shipment and cannot be changed.
3.3.3.1 DIP switch settings
Table 3.3.1 DIP Switch 1
Switch
no.
Function ON
OFF
Default
1
Data reception error
Ignored
Print “?”
Off
2
Receive buffer capacity
40 bytes
4 KB
Off
3 Handshaking
XON/XOFF
DTR/DSR
Off
4
Word length
7 bits
8 bits
Off
5 Parity
check
Yes
No
Off
6
Selection of parity
Even
Odd
Off
7
Selection of transmission
speed
4800 bps
9600 bps
Off
8 BUSY
condition
•
Receive
buffer-full
•
Offline
•
Receive
buffer-full
Off
