Gap/Black Mark Sensor Calibration - Printronix Auto ID T400 Administrator's Manual

4. 1 Gap/ Black Mark Sensor Calibration
Gap/black mark sensor sensitivity should be calibrated at the following conditions:
1. A brand new printer
2. Change label stock.
3. Printer initialization.
Please follow the steps below to calibrate the gap/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 LED becomes red and blinking. (Any red will do during the 5 blinks).
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It will calibrate the gap/black mark sensor sensitivity.
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The LED color will be changed as following order：
Amber  red (5 blinks)  amber (5 blinks)  green (5 blinks)  green/amber (5 blinks)  red/amber
(5 blinks)  solid green
Note:
1. Sensor calibration can be done by Configuration Utility or by power on utility. Please refer to
"Configuration Utility" section for more information.
2. Please select gap or black mark sensor type prior to calibrate the sensor.
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