Interface Timing; Printing Enabled/Disabled Signals And Control Conditions - Epson ActionPrinter 3000 User Manual

Interface timing

The 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
(Indicator
on)
on line
off line
BUSY
ERROR
High High/Low
High
Low
Interface Specifications
ACKNLG
Pulsed
ea. char.
Not
generated
Technical Specifications
Printing
(Disabled/
enabled)
Enabled
(normal
cond.)
Disabled
7-11