beautypg.com

Maintaining your printer – Epson Apex-80 User Manual

Page 120

background image

Here is the way to adjust the width when it is the only problem. Tell

the computer that the print line is wider than 80 characters with this

WIDTH statement:

WIDTH "LPTl:",

255

The 255 is a special number that prevents the computer system from

inserting a CR-LF into the line-unless, of course, there’s one in your

program.

The extra line feed—CHR$(l0)—that accompanies each carriage

return—CHR$(13)—d oes not cause a problem unless you need to use

CHR$(13) in a graphics program. Getting rid of the extra CHR$(l0) is

rather complicated. First you open the printer as a random file:

OPEN "LPTl:" AS #l

Although this allows you to send any code to the printer, you can no

longer use the LPRINT command. Instead, you must use a PRINT #1

command:

PRINT #l, "Now I

can print anything”

This does allow you to print anything, but it ignores any previous

WIDTH statement.

If you want to print more than 80 characters per line in a graphics

program, you must change your opening statement to include the

appropriate WIDTH statement:

OPEN "LPTl:" AS #l : WIDTH #l, 255

And for the programs in this manual, don’t forget to use PRINT #l

wherever you see LPRINT

Maintaining Your Printer

Always keep the printer in a clean and safe place. Keep it away from

dust, grease, moisture and any source of heat, including direct sunlight.

A safe temperature range is 40° F to 95° F (5” C to 35° C).

If the outer case is dirty, clean it with a soft, clean cloth dampened

with mild detergent dissolved in water. Keep the printer lid in place to

prevent any water from getting inside the printer. Do not use a hard

Problem Solving and Maintenance

C-9