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APPENDIX
Pin No.
Signal name
Direction Function
25 Pin
9 Pin

2) X-On/X-Off Communication Mode

Always space, except during following conditions:

• Period between reset and communication enabled

• During self printing

21~24 N/C Not used
25 INIT IN Status of this signal is not checked.
Printer status DIP SW 1-6
OFF ON
1.During the period from when the
power is turned on (including reset-
ting using the interface) to when the
printer is ready to receive data.
2.During the self printing.
3.When the cover is open.
4.When the printer stops printing due to
a paper-end.
5.During macro executing standby
status.
6.When an error has occurred.
7.When the receive buffer becomes
full.
BUSY BUSY
BUSY BUSY
- BUSY
- BUSY
-BUSY
-BUSY
BUSY BUSY
13
25
1
14
5
9
1
6
D-sub 25 PinD-sub 9 Pin