Interface Specifications

Interface timingThe figure below shows the timing for the parallel interface.Printing enabled/disabled signals and control conditions

The table below shows the relationship between printing being enabled or disabled and the on-line/off-line status.

ON LINE

ERROR

BUSY

ACKNLG

 

Printing

(Indicator

 

 

 

 

(Disabled/

on)

 

 

 

 

enabled)

 

 

 

 

 

 

 

 

 

 

 

on line

High

High/Low

Pulsed

Enabled

 

 

 

ea. char.

(normal

 

 

 

 

 

cond.)

 

 

 

 

 

 

off line

Low

High

Not

Disabled

 

 

 

generated

 

 

 

 

 

 

 

Technical Specifications 7-11