Hex Dump Mode; Instruction For Auto Power Down(Sleep) Mode - Star 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.
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.
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.
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.

3.5 Instruction for Auto Power Down(Sleep) Mode

The printer in the Power Down(Sleep) Mode will recover to the Print Ready Mode when receiving
commands or button operations.
However, print data received while shifting from the Sleep Mode to the print Ready Mode (for approx.
1 sec.) is discarded and cannot be printed.
Therefore, if the printer is in the Sleep Mode, please be sure to recover it to the Print Ready Mode before
sending print data.
[How to Recover to Print Ready Mode & How to Check]
① Send the Status command (DLE EOT EOT) and try to resend it until the printer receives the returned
status value (any value from 30H to 37H). (*1
Or
② Press the FEED button or the MODE button and confirm that the Power lamp (Green) is turned on.
(*1: When the status value is not returned in the above ① method, it is possible that the printer is
turned off by the Power OFF mode. In this case, turn the printer on manually.
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