User's Manual

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4.1.1 Media Sensor Calibration
Please follow the steps below to calibrate the media sensor.
1. Turn off the printer power switch.
2. Hold on the FEED button ( ) then turn on the power switch ( ).
3. Release the power switch ( ) when LED color turn on amber.
Note: In this moment, you should still hold on the FEED button.
4. The printer will beep sound twice later, then release the FEED button ( ) when the
indicator becomes and blinking.
5. Printer will calibrate the gap/black mark sensor sensitivity.
Note: You also can do this function by open/close the media cover when turn on the
printer.
 The LEDs will be changed as following figures:
Beep sound twice Æ (5 blinks) Æ (5 blinks) Æ (5 blinks) Æ Turn
on the printer
4.1.2 Self-test and Dump Mode
Please follow the steps below.
1. Turn off the printer power switch.
2. Hold on the FEED button ( ) then turn on the power switch ( ).
3. Release the power switch ( ) when LED color turn on amber.
Note: In this moment, you should still hold on the FEED button.