Microplex PP 404 User Manual page 119

Appendix A Configuration of the printer

SELF TEST
This function can be some internal test printouts produce (see. Section 1.14 Test printouts). The
printer has three test printouts and an interface test available:

TEST 1
shows a pattern of all printable characters. Thus, the print quality as well as the upper and left
edges may be checked.

TEST 2
a standard DIN letter according to ECMA-132, with the printer's throughput is measured.

TEST 3
This test print provides information on the state of the art and is used only for service
purposes.

I/F Test (Serial Interface-Test)
In order to verify the serial port with this function, the test data output from the printer and
looped over a test plug into the serial interface port. The test data are the data of the test 3.

HEX DUMP
This function makes it possible to analyze the data received from by the printer.
Control codes are not executed, instead, all the data in hexadecimal format, will printed in ASCII
format. Non-displayable characters, such as CR, appear as a single dot (.) In the ASCII collection.
It may happen that the Hex Dump the transmission of data is interrupted to the printer. In this
case, the pressure after the break of the received data, begun on the next free line. An irregular
right margin is the result, but does not mean a loss of data.
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