Canon SELPHY CP810 Manual Del Usuario página 20

Crop the image for the passport.
Please contact the appropriate institution for regulation details other than regarding position and size of the face.
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If you display the cropping range
[Standard] size is selected for [ID Photo], 2 lines are
displayed.
Adjust so that one line is at the top of the head and the
other line is under the chin to print a passport photo
conforming to the passport standards.
(p. 18) while the