Epson ActionPrinter T-750 User Manual page 147

Table E-2. Printing enabled/disabled signals and control conditions
On-Line
SLCT IN
(Indicator on)
LOW
ON-LINE
(interface)
HIGH
ON-LINE
ON-LINE HIGH
HIGH/LOW
OFF-LINE
(no effect)
'Even though printing is disabled, data characters are received and acknowledged, since the printer is looking for another DC1 character, which
would allow it to resume printing.
DC1/DC3
ERROR
(Data on/off contr.)
DC1 /DC3
HIGH
(no effect)
DC1 RECV'D HIGH
DC3 RECV'D HIGH
DC1 /DC3
LOW
(no effect)
ACKNLG
BUSY
HIGH/LOW PULSED EA. CHAR. (normal cond.)
HIGH/LOW PULSED EA. CHAR. ENABLED
HIGH/LOW PULSED EA. CHAR. *DISABLED
HIGH NOT GENERATED DISABLED
Printing
(Disabled/enabled)
ENABLED