Zebra DA402 – LP 2844-Z – GK420
Turn on the printer and press the Feed button for a few seconds. The green status light will flash a few times in a specific order. The order for setting the print width is five times:
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The print width will be calibrated. While the status light blinks green and yellow, a series of stacked rectangles are printed on the label. If the outer border rectangle is printed at 100 mm from the label, press and release the Feed button. The label width is saved.
Zebra-model ZD420
Press and hold the PAUSE and CANCEL buttons for two seconds, then release them. The printer measures a few blank labels and feeds them through. Calibration is complete as soon as the printer stops and the indicator light is constantly on.