Specifications

13
'SELECT
14
OV
15 NC
16
OV
17 FG
18
+5V
19 - 30 GND
31
PRIME
32 FAULT
33 av
34 IRT
35,36 NC
• (Note)
Conditions for
SELECT (ON-LINE)
• Signal to indicate whether the printer is in SELECT
or DESELECT mode. When the printer
is in SELECT
mode (ON-LINE mdoe), data can be received.
• High level when the printer is in SELECT mode.
(Positive logic)
• PULL UP at 330n
• Twist pair, GND
• Printer reset signal (Negative logic)
(Note) IRT for terminal No.34 is also a printer reset
signal, bu t has an opposite logic. When one
reset signal
is employed, the other signal shall
be made NC.
• Signal to indicate that the printer is in FAULT state.
(Negative logic)
• Conditions for FA UL T
• PE
•
Dese1ect
• Printer reset signal (Positive logic)
(Refer
to terminal No.3I.)
• When ON-LINE/OFF-LINE switch is pressed during DESELECT.
• When "DC I " is received.
• When PE Occurs.
•
If the ON-LINE/OFF-LINE switch is pressed in PE state, the select state emerges to cancel PE,
I-line data is read and printed, and then OFF-Line state emerges again. Then, the SELECT signal
becomes
LOW. (Override function)
Conditions for DESELECT
• When ON-LINE/OFF-LINE switch is pressed during SELECT.
• When "DC3" code is received.
• When PE occurs.
• When power source is turned on.
(This state can be altered by the operation
of the internal function switch.)
• When an error occurs in the printer.
36