Brother P-Touch QL-570 Service Manual page 110

(5) If the top margin is out of the range of 3mm±0.5mm, change the value in the "Adjusted
value" column so that the top margin is 3mm±0.5mm. Then, click the [Apply (0)]
button.
When adjustment is complete, "OK" is displayed in the "Apply result:" column.
(6) Click the [Print test(continuous) (2)] button again to implement the test print.
that the top margin of the print result is 3mm±0.5mm.
Fig. 26
Fig. 27
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Check