Rev. D Setup 3-17
TM-U220 Technical Reference Guide
3.4.2.2 When the letters are US
Note:
When the printer has a data receive error, the printer prints “?.”
Usually DIP switch 1-1 should be turned off. The right side up printing mode is a mode used for a printer
that is hanging on a wall. For detail, see “What is “Right side up printing“ ?” (page 5-10). Regardless of
the setting of DIP switch 1-1, if you want to perform right side up printing, DIP switch 1-2 must be fixed
to off.
Serial model
(DIP Switch 1) (DIP Switch 2)
SW Function On Off SW Function On Off
1Printing mode Right side up
printing
mode
Normal
printing
mode
1 Print column 42/35 40/33
2 Receive buffer
capacity
40 bytes 4 KB 2 Reserved
(Auto cutter enable/
disable)
Type A, B
Fixed to On
Type D
Fixed to Off
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
8BUSY condition Receive
buffer full
Receive
buffer full or
Offline
8 Serial interface
selection
Memory
switch
DIP switch
Parallel / USB / Ethernet model (Except serial)
(DIP Switch 1) (DIP Switch 2)
SW Function On Off SW Function On Off
1 Printing mode Right side up
printing
mode
Normal
printing
mode
1 Print column selection 42/35 40/33
2 Receive buffer
capacity
40 bytes 4 KB 2 Reserved
(Auto cutter enable/
disable)
Type A, B
Fixed to On
Type D
Fixed to Off
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
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