Epson EU-m30 Series, Developer'S Manual

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(b) Executing using a command
Step 1: Transmit the GS ( A command (Hexadecimal dump print).
Step 2: Turn off the power, or press the Feed button three times to complete this procedure.
Notes:

If no characters correspond to the data received, the printer prints ".".

During hexadecimal dumping, any commands other than DLE EOT do not function.

Print data that is less than one line can be printed by pressing down the Feed button
<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 .%..c4..01
41 42 43 44 45 46 47 48 49 4A ABCDEFGHIJ
*** completed ***
3.8 Information Print Modes and Setting Modes
3.8.1 NV graphics information print mode
(1) NV graphics information printing function
Prints the NV graphics information registered in the printer.
The following information is printed.

Capacity of the NV graphics

Occupied capacity of the NV graphics

Unused capacity of the NV graphics

Number of NV graphics that are registered

Key code, number of dots in X direction, and number of dots in Y direction for each piece of data

NV graphics data
(2) Starting the mode
Step 1: With the roll paper cover closed, turn the printer power on while pressing the Feed button until printing
of the printer status starts.
Step 2: After the printer status is printed, press the Feed button until printing of the instructions for operation
method starts.
Step 3: After the instructions for operation are printed, press the Feed button once.
Step 4: Then, press and hold the Feed button until printing of the NV graphics information starts.
(3) Ending the mode
Turn the power off.