Epson RP-300 User Manual download pdf (Page 15)

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4. Self Test

The self-test lets you know if your printer is operating properly. It checks the control

circuits, printer mechanisms, print quality, ROM version and DIP switch settings.

This test is independent of any other equipment or software.

Running the self test

1. Make sure the printer is turned off and the printer cover is closed properly.

2. While holding down the FEED button, turn on the printer using the switch on the front of

the printer to begin the self-test. The Self Test prints the printer settings and then prints

the following, Cuts the paper, and pauses. (Error LED On)

Self test Printing

Please press the PAPER FEED button.

3. Press the FEED button to continue printing. The printer prints a pattern using the

built-in character set.

4. The self test automatically ends and cuts the paper after printing the following:

*** Completed ***

The printer is ready to receive data as soon as it completes the self-test.

5. Hexadecimal Dump

This feature allows experienced users to see exactly what data is coming to the printer.

This can be useful in finding software problems.

When you turn on the hex dump functions, the printer prints all commands and other data

in hexadecimal format along with a guide section to help you find specific commands.

To use the hex dump feature, follow these steps:

1. After you make sure that the printer is off and Dip s/w 1-2 is ON, turn on the printer.

2. Run any software program that sends data to the printer. The printer prints

“Hexadecimal Dump ” and then all the codes it receives in a two-column format. The

first column contains the hexadecimal codes and the second column gives the ASC?

characters that correspond to the codes.

Hexadecimal Dump

1B 21 00 1B 26 02 40 40 .!..& . @ @

1B 25 01 1B 63 34 00 1B .%.. c4 ..

41 42 43 44 45 46 47 48 ABCDEFGH

? A period (.) is printed for each code that has no ASC? equivalent.

3. Turn off the printer, and make sure that Dip sw 1-2 off.

4. Turn on the printer.

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Epson RP-300 User Manual Page 15