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161 appendix – Star Micronics SCP700 User Manual

Page 165

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161

APPENDIX

4

DTR

OUT

2) X-ON/X-OFF mode

Indicates whether or not the printer can receive data from the host.
This signal is a space, except in the following cases.

1. After reset until communication is possible
2. During test printing

5

SG

Signal ground

6

DSR

IN

Signal line that indicates if the host computer can receive data.
SPACE: host can receive
MARK: host cannot receive
In the X-ON/X-OFF or Star mode, the status of this signal is not confirmed.
• The status of this signal is not confirmed.
This signal can be specified as an internal reset signal using Switch 7 of DIP Switch 1
(page 156). MARK of 1ms or longer activates the reset.

7

RTS

OUT

Same as DTR (Pin 4).

8

INIT

IN

This signal can be specified as an internal reset signal using Switch 8 of DIP Switch 1
(page 156). SPACE of 1ms or longer activates the reset.

9

N/C

Not connected

Pin

No.

Signal
Name

Direction

Function

Printer Status

Memory SW #4-4

1

0

1. From when the power is turned on or I/F

reset until communication possible

BUSY

BUSY

2. Test printing

BUSY

BUSY

3. Paper feed by paper feed switch

BUSY

4. Stop due to no paper

BUSY

5. During waiting for switch input in macro

execution

BUSY

6. Other errors

BUSY

7. Receiving buffer full

BUSY

BUSY