Epson TM-T20II, Technical Reference Manual

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7
Turn off the printer or select "Exit" and "Exit and Reboot Printer" to exit this
mode.
Hexadecimal Dumping Mode
I n t he hexadec i mal d u mp ing mode, t he pr int er pr int s t he da t a t ra n sm itt ed from a hos t comp ut er
in hexadec i mal nu mbers a n d t he i r correspo n d ing charac t ers. I t e n ables yo u t o check i f da t a i s
t ra n sm itt ed t o t he pr int er correc t ly.
Starting the hexadecimal dumping mode
Follow t he s t eps below t o r un t h i s mode.
1
Open the roll paper cover.
2
While pressing the Feed button, turn on the printer.
3
Close the roll paper cover.
The pr int er s t ar t s pr inting da t a rece i ved from t he n o n in hexadec i mal nu mbers a n d t he i r
correspo n d ing charac t ers.
T u r n off t he pr int er or press t he Feed b utt o n t hree ti mes t o re tu r n t o t he n ormal mode.
Printing example:

To select the item number 0, hold down the Feed button until the printer starts printing.

If you pressed the button for the number of times that is not listed on the print, the
operation is invalid, and the same result is printed again.

If there is no character corresponding to print data, “.” is printed.

If print data is less than one line, press the Feed button to print the line.
Hexadecimal Dump
To terminate hexadecimal dump,
press FEED button three times.
1B 21 00 1B 26 02 40 40 1B 69
1B 25 01 1B 63 34 00 1B 30 31
41 42 43 44 45 46 47 48 49 4A
*** completed ***
. ! . . & . @ @ . i
. % . . c 4 . . 0 1
A B C D E F G H I J