User Manual
21
5. Power-on Utilities
There are three 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 positions of LED indicator.
Please follow the steps below for different power-on utilities.
1. Turn off the printer power switch.
2. Hold on the button then turn on the power switch.
3. Release the button when LED indicates with different positions for different functions.
Power on utilities
The positions of LED light will be changed as following pattern:
LED
Functions
(Solid)
(5 blinks)
(5 blinks)
(5 blinks)
(Solid green)
1. Black mark sensor
calibration
Release
2. Self-test and enter dump
mode
Release
3. Printer initialization
Release
5.1 Black Mark Sensor Calibration
Black mark sensor sensitivity should be calibrated at the following conditions:
1. A brand new printer
2. Change media roll
3. Printer initialization
Please follow the steps below to calibrate the black mark sensor.
1. Turn off the power switch.
2. Hold on the button then turn on the power switch.
3. Release the button when the indicator becomes and blinking. (Any
green will do during the 5 blinks)