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4. Power-on Utilities
There are six power-on utilities to set up and test printer hardware. These utilities are activated by pressing
FEED button then turning on the printer power simultaneously and release the button at different color of
LED.
Please follow the steps below for different power-on utilities.
1. Turn off the power switch.
2. Hold on the button then turn on the power switch.
3. Release the button when LED indicates with different color for different functions.
The LED color will be changed as following pattern:
1. Gap / black mark sensor calibration
2. Gap / black mark sensor calibration,
Self-test and enter dump mode
3. Printer initialization
4. Set black mark sensor as media
sensor and calibrate the black mark
sensor
5. Set gap sensor as media sensor and
calibrate the gap sensor