Interface Specifications

Pulled up to +5 volts through

 

 

 

 

 

 

 

LOW, the printer controller is reset

 

 

 

 

 

 

 

to its power-up state and the print

 

 

 

 

 

 

 

buffer is cleared. This level is

 

 

 

 

 

 

 

usually HIGH; its pulse width must

 

 

 

 

 

 

 

be more than 50 microseconds at

 

 

 

 

 

 

 

the receiving terminal.

 

 

 

 

 

 

 

 

32

 

-

 

 

 

OUT

This level becomes LOW

 

ERROR

 

 

 

 

 

 

 

when the printer is in:

 

 

 

 

 

 

 

1) Paper-end state.

 

 

 

 

 

 

 

2) Off-line

 

 

 

 

 

 

 

3) Error state

 

 

 

 

 

 

 

 

33

 

-

GND

-

Same as for Pins 19-30.

 

 

 

 

 

 

 

 

34

-

 

NC

-

Unused.

 

 

 

 

 

 

 

 

35

 

-

-

 

 

-

Pulled up to +5V through 3.3K

 

 

 

 

 

 

 

ohm resistance

 

 

 

 

 

 

 

 

36

 

-

 

 

IN

The DC1/DC3 code is valid

 

SLCT IN

 

 

 

 

 

 

 

only when this signal is “HIGH”

 

 

 

 

 

 

 

(Internal fixing can be carried out

 

 

 

 

 

 

 

with Jumper J9. The level of this

 

 

 

 

 

 

 

signal is factory-set to “LOW”.)

 

 

 

 

 

 

 

 

8-7