The printer will not do certain things unless you specifically tell it to. You instruct the printer to change the way it prints by sending special codes through your computer. When you write a program, you include the codes for printing features you want in your program. In BASIC, for example, include them in an LPRINT statement.
Basic Programming
If you are familiar with programming, skip this section and go straight to the control codes.
Although we wrote our examples in Microsoft’s BASIC programming language, the principles are similar for other languages. The examples demonstrate how to select a few of your printer’s special features and try them. Later the features are explained in detail.
An LPRINT statement, or print statement, tells the computer to send information to the printer. Take a minute to check your BASIC manual to find out what form this takes in your version of BASIC.
Make sure your printer is ready to print (ribbon in, paper loaded, power ON, SEL indicator lit) and experiment a little with the print commands.
Type the following
LPRINT “WHO YOU GONNA CALL?”
2.Press RUN, then RETURN or CR.
3.The printer will then print:
WHO YOU GONNA CALL?
Programming 3 – 3