Signal

Return

Direction

Description

Pin

 

 

 

Signal

Pin

 

 

35

 

 

 

 

 

 

 

OUT

Pulled up to +5 V through 3.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K W resistance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

 

 

 

SLCT IN

IN

The DC1/DC3 code are valid

 

 

 

 

 

 

 

 

 

 

 

 

only when this signal is

 

 

 

 

 

 

 

 

 

high. (This signal can be fixed

 

 

 

 

 

 

 

 

 

low by changing a DIP switch,

 

 

 

 

 

 

 

 

 

jumper, or SelecType setting on

 

 

 

 

 

 

 

 

 

the printer.) The printer

 

 

 

 

 

 

 

 

 

monitors this signal, so this

 

 

 

 

 

 

 

 

 

signal’s function depends on

 

 

 

 

 

 

 

 

 

the printer’s specifications.

 

 

 

 

 

 

 

 

 

 

Note

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

All interface conditions are based on TTL level. Both the rise and fall of each signal must be less than 0.2 µseconds.

14