Confidential
EPSON
TITLE
SHEET
REVISION
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SHEET
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F
56 55
TM-T90
Specification
(STANDARD)
3.3.3 DIP Switches
DIP switch 1 is located on the right side inside the printer cover and is accessible when the DIP switch
cover is removed. DIP switch 2 is located on the main PCB.
3.3.3.1 Serial interface
Table 3.3.2 DIP Switch 1
SW 1
Function
ON
OFF
1
Power button function
Disabled
Enabled
2
Interface condition selection
By DIP switch
By memory switch
3 Handshaking
XON/XOFF
DTR/DSR
4
Data length
7 bits
8 bits
5 Parity
check
Yes
No
6 Parity
selection
Even
Odd
7
8
Transmission speed selection
Refer to Table 3.3.3
Table 3.3.3 Transmission Speed
Transmission speed (bps)
SW1-7
SW1-8
2400 ON
ON
4800 OFF
ON
9600 ON
OFF
19200 OFF
OFF
[bps: bits per second]
NOTE: Changes in DIP switch settings are recognized only when the printer power is turned on or
when the printer is reset by using the interface.
Table 3.3.4 DIP Switch 2
SW 2
Function
ON
OFF
1
Reserved
--
Fixed to Off.