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Customize value
Function
Automatic Paper Reduction
Roll paper width
Note:
These setting can be set by "Memory switch setup mode." See "Memory Switch Setup Mode" on page 3-
19.
Automatic Paper Reduction setting is available with firmware version 5.12 ESC/POS or later.
See "Adjusting Roll paper width" (page 3-25) also to adjust roll paper width.
Serial communication
Function
baud rate
Parity
Handshake
Data length
Note:
There are two methods, DIP switch and Memory switch, to adjust the serial communication conditions.
DIP SW2 selects which is effective, DIP switch or Memory switch.
To enable the "Serial communication" setting, you have to adjust the "Serial interface selection" function
of DIP switch 2 to "Memory switch."
These settings can be set by "Memory switch setup mode." See "Memory Switch Setup Mode" on page 3-
19.
3.4.4 Memory Switch Setup Mode
The following items are specified in the memory switch setup mode:
❏ Basic Serial communication condition (Serial communication)
Rev. H
Reduction of top margin
Reduction of bottom
margin
Reduction of line spacing
Reduction of line spacing
where extra line feeds are
included
Selectable value
1200 bps
4800 bps
19200 bps
None
Even
DSR/DTR
7 bit
TM-U220 Technical Reference Guide
Selectable value
Does not reduce (default
value)
Does not reduce (default
value)
Does not reduce (default
value)
Reduces 50%
Does not reduce (default
value)
Reduces 50%
57.5 mm
76 mm (default value)
2400 bps
9600 bps
--
Odd
--
XON/XOFF
8 bit
Reduces
Reduces
Reduces 25%
Reduces 75%
Reduces 25%
Reduces 75%
69.5 mm
--
Setup 3-19
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