3860/80 User’s Manual
12-6
BUSY: A signal generated by the printer to inhibit transmission from the data source. Menu
options are provided to produce either a positive or negative signal, and to reflect fault, paper-
out condition is true.
PAPER OUT: Output – high when a paper-out condition is true.
SELECT: Output – high when the printer is online.
PRIME: An input signal. If low for more than 50 microseconds, then the input buffer can be
optionally cleared.
FAULT: An active low signal generated by the printer to indicate a printer fault condition.
AUTO LINE FEED XT: Not Supported.
SELECT IN: Not Supported.
+5 VOLTS: This voltage is available on two interface pins for supplying power to external
devices.
Parallel Timing Diagram
4 u Sec
3.5 u Sec
0.5 u Sec
0.5 u Sec
0.5 u Sec
Minimum
Data
Strobe
