a Connect the 25-pin end of the cable to the PC’s parallel port.
b Tighten all screws.
c Connect the 36-pin end of the cable to the printer’s parallel
port (it’s labeled “PARALLEL”).
d Close the clips.
Serial Cable
a Connect the serial cable (with the null modem adapter
attached) to the PC’s 9- or 25-pin male serial port.
b Connect the other end of the cable to the printer’s serial port
(labeled “SERIAL”).
c Tighten all screws.
2 Turn on both the printer and the PC.
3 Test communication between the printer and the PC.
You can do this by printing a file from one of your applications, or
you can see the following section, “Testing Communication.”