Star Micronics NX-2400 User Manual page 63

Pin No.
Signal
Name
Direction
Function
10 7xX
OUT
5-Microsecond
Low pulse acknowledges receipt of data.
11 BUSY OUT
Low when the printer is ready to accept
data.
12
PAPER OUT
Goes High if the printer runs out of paper.
OUT
Can be held Low permanently by turning
DIP switch l-5 off.