Star SM-T300I Series - Auto Power Down(Sleep) Mode

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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 o 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 da-
tas or button operations.
However, print data received while shifting from the Sleep Mode to the print Ready Mode (for ap-
prox. 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 be-
fore 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 re-
turned status value (any value from 30H to 37H).
(*1
Or
2) Press the FEED button or the MODE button (the Power button for SM-T300 series) and conrm that
the Power lamp (Green LED) is turned on.
(*1: When the status value is not returned in the above 1) method, it is possible that the printer is
turned o by the Power OFF mode. In this case, turn the printer on manually.
 Auto sleep function at communication mode [Bluetooth(Auto)]
At communication mode [Bluetooth(Auto)], set the Auto sleep mode to “NO USE” or Auto OFF mode.
(Auto sleep function cannot be used on iOS device.)
When the printer recovers from sleep mode in communication mode [Bluetooth(Auto)], a Bluetooth
connection with the printer cannot be established. Therefore, it is impossible to use the Auto sleep
function when the Communication mode of the printer is set to communication mode [Bluetooth(Au-
to)].