Confidential
EPSON
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SHEET
REVISION
NO.
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.