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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.
2. Hold on the FEED button ( ) then turn on the printer ( ).
3. Release the button ( ) when LED indicates with different positions for different
functions.
The positions of LED light will be changed as following pattern:
1. Media sensor calibration
2. Self-test and enter dump
mode
3. Printer initialization
5.1 Media Sensor Calibration
Please follow the steps below to calibrate the media sensor.
1. Turn off the printer.
2. Hold on the FEED button ( ) then turn on the printer ( ).
3. Release the FEED button ( ) when the indicator becomes and
blinking. (Any green will do during the 5 blinks)
It will calibrate the black mark sensor sensitivity.
The LEDs will be changed as following order:
(amber) (5 blinks) (5 blinks)
(5 blinks) (solid green)
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