Epson TM-T20II Technical Reference Guide - Page 80

Hexadecimal Dumping Mode, Starting the hexadecimal dumping mode

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7 Turn off the printer or select "Exit" and "Exit and Reboot Printer" to exit this mode.  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. Hexadecimal Dumping Mode In the hexadecimal dumping mode, the printer prints the data transmitted from a host computer in hexadecimal numbers and their corresponding characters. It enables you to check if data is transmitted to the printer correctly. Starting the hexadecimal dumping mode Follow the steps below to run this mode.  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. 1 Open the roll paper cover. 2 While pressing the Feed button, turn on the printer. 3 Close the roll paper cover. The printer starts printing data received from then on in hexadecimal numbers and their corresponding characters. Turn off the printer or press the Feed button three times to return to the normal mode. Printing example: Hexadecimal Dump To terminate hexadecimal dump, press FEED button three times. 1B 21 00 1B 26 02 40 40 1B 69 i 1B 25 01 1B 63 34 00 1B 30 31 . % . . c 4 . . 0 1 41 42 43 44 45 46 47 48 49 4A A B C D E F G H I J *** completed *** 80

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80
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
ABCDEFGHIJ