How to set the Gap/Black Mark Sensor as Media Sensor and calibrate the Gap/Black Mark Sensor by directly operating the printer
Follow the instructions below:
Turn off the printer.
Press and hold the Feed/Pause Button and then turn on the printer.
For the Black Mark Sensor
Release the button when the LED is lit in green/amber (blinks 5 times alternately) after the green LED flashes five times.
The LED color will change in the following order:
Amber > Red (5 times) > Amber (5 times) > Green (5 times) > Green/Amber (blinks 5 times alternately) (Release the button here) > Red/Amber (blinks 5 times alternately) > Green (lit)
For the Gap Sensor
Release the button when the LED is lit in red/amber (blinks 5 times alternately) after the green/amber LED flashes five times.
The LED color will change in the following order:
Amber > Red (5 times) > Amber (5 times) > Green (5 times) > Green/Amber (blinks 5 times alternately) > Red/Amber (blinks 5 times alternately) (Release the button here) > Green (lit)
You can also calibrate by using the BPM (Brother Printer Management Tool).
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