Problem

Solution

Can’t deactivate paper-out

Computer systems that monitor printer

sensor with either DIP switch

cable pin 12 ignore both ESC 8 and the

1-4 or ESC 8

setting of switch 1-4. These systems stop

 

the printing when no paper is in contact

 

with the paper-end detector (a small

 

switch located behind the platen). Certain

 

printer cables are designed to overcome

 

this problem, or you can use a longer

 

page as a backing sheet.

 

 

Beeper Error Warnings

When the Apex80’s beeper sounds, it usually indicates that the printer is out of paper. The beeper can also be sounded by any program that sends the ASCII code 7 and by certain error conditions in the printer itself.

If the printer beeps and stops printing when it is not out of paper, turn the printer off and check to see that the paper is loaded correctly. If the paper is loaded correctly, turn the printer back on and try to print again. If the printer beeps and does not print again, take it to a qualified service person.

Data Dump Mode

The Apex80 has a special feature that makes it easy for experienced printer users to find the causes of problems. Called the data dump mode, it gives a printout of exactly what codes reach the printer.

To turn on this mode, turn on the printer while holding down both the FORM FEED and LINE FEED buttons. The printer responds by printing the words “Data Dump Mode.” Then, when you run a program, either an application program or one you have written in any programming language, the Apex80 prints one or more lines. Each line has three parts: the line number (four digits), the hexadecimal codes (up to 16 numbers), and the guide section (16 characters at the end of each line except the last).

C-4

Problem Solving and Maintenance