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Installation 1-5
TM-U230 Developer’s Guide
Confidential
Parallel Interface
*1: Do not change the settings of DIP switches 2-2, 2-6, and 2-7.
DIP Switch 1
Switch No. Function On Off Default
1 Auto line feed
Enabled
Disabled Off
2 Receive buffer 1KB 16KB Off
3 - 7 Undefined -- -- Off
8 Busy condition Receive buffer-full Offline
Receive buffer-full
Off
DIP Switch 2
Switch No. Function On Off Default
1 Selects number of
characters per line (cpl)
(7 × 9 font/9 × 9 font)
42 cpl//35 cpl 40 cpl/33 cpl Off
2 For internal use only (*1)
(autocutter)
Enabled Disabled On
3 Undefined -- -- Off
4 Pin 31 reset signal Used Not used On
5PAPER OUT LED blinking
pattern
Blinks Lights on On
6 For internal use only (*1)
(Flash memory rewriting)
Enabled Disabled off
7 For internal use only (*1)
(Interface synchronization)
Asynchronous Synchronous with
clock
Off
8 Undefined -- -- Off