CHASSIS GND

s 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

-

ERROR

 

 

OUT

 

zis level becomes LOW when the printer

 

 

 

 

 

 

 

1) in paper-out state

 

 

 

 

 

 

 

2) off line

 

 

 

 

 

 

 

3) in error state.

33

-

GND

-

 

Same as for Pins 19 - 30.

34

-

NC

-

 

Not used.

35

-

-

 

 

OUT

 

Pulled up to 5V through 3.3K ohm

 

 

 

 

 

 

 

resistance.

36

-

 

lN

 

The DClIDC3 code is valid only when this

SLCT IN

 

 

 

 

 

 

 

 

 

signal is “HIGH”. he same effect can

 

 

 

 

 

 

 

be achieved with&YelecType.)

•

0

The column heading “Direction” refers to the direction of signal flow as viewed from the printer.

“Return” denotes the twisted-pair return, to be connected at signal ground level. For the interface wiring, be sure to use a twisted-pair cable for each signal and to complete the connection on the return side. These cables should be shielded and connected to the chassis of the host computer and the printer.

A-10

Technical Specifications