4.5 Self-Printing Function
When activating
(1)Test printing
Turn the printer power on while pressing and holding the LF switch, and the printer starts printing the status of current setting of DIP switch (including the content of setting in case of serial printer) and all characters available with the printer.
The SEL lamp is held off and BUSY signal is output during test printing.
On completion of test printing, the printer enters the standby state awaiting print data.
(2)Hexadecimal dump mode
Turn the printer power on with the LF switch and SEL switch pressed and held. The printer prints Hexadecimal Dump characters and then prints all data sent from the host in hexadecimal code.
When data for the last line is not sufficient for full one line, data of the last line is printed out with SEL switch pressed and deselected (OFF LINE).
This mode lasts till power is turned off.
Example of Printing in Dump Mode
31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 12345678 |
39 | 3A | 3B | 3C | 3D | 3E | 3F | 40 | |
41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | ABCDEFGH |
49 | 4A | 4B | 4C | 4D | 4E | 4F | 50 | IJKLMNOP |
51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | QRSTUVWX |
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