Printing Enabled /Disabled Signals - Epson ActionPrinter 4000 User Manual

Specifications
Interface
Printing Enabled/Disabled Signals and Control Conditions
The table below shows the relationship between printing being
enabled or disabled, the on line/off line status, and the receipt of the
data on/off control characters, DC1 or DC3.
ON LINE
SLCTIN DC1/DC3 ERROR BUSY
(Indicator
on)
on line Low (J10
interface) (no effect)
on line
High
on line High
off line
High/Low DC1/DC3 Low
(no effect) (no effect)
* While printing is disabled, character data is being received and
acknowledged so that the printer can look for another DC1
character, which would allow it to resume printing.
8-12
Technical Specifications
(Data
on/off
control)
DC1/DC3 High
High
DC1
Recv'd
DC3 High
Recv'd
ACKNLG
High/Low Pulsed
ea. char.
High/Low Pulsed
ea. char.
High/Low Pulsed
ea. char.
High
Not
generated
Printing
(Disabled/
enabled)
Enabled
(normal
cond.)
Enabled
Disabled*
Disabled