Hex Dump Mode - Star Micronics SM-S230I Series Hardware Manual

3.4 HEX Dump Mode

All data sent from a host device is printed by hexadecimal codes.
This mode can be used to check if a program to be sent to the printer is coded correctly.
CAUTION
HEX dump mode cannot be used while status is being acquired from the application.
Follow the steps below.
1. While the printer cover is open, turn on the printer power by pressing and holding the FEED button
and the POWER button simultaneously for 5 seconds or more.
5 seconds
or more
2. After the POWER lamp and ERROR lamp flash alternately, the buzzer sounds and only the ERROR lamp
flashes continuously. Then, release the buttons and immediately press and hold the POWER button
and the FEED button for 3 seconds or more, and release the buttons.
POWER lamp and ERROR lamp
flash alternately.

Buzzer sounds.

Only the ERROR lamp
flashes continuously.
3. Set a paper and close the printer cover. The printer prints out "*** Hex Dump Printing ***" and enters
the HEX dump mode.
4. To exit the HEX dump mode, turn off the printer power.
As soon as the ERROR lamp
flashes, release the buttons.
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Immediately press and hold the
both buttons for 3 seconds or more.