| 摘要 |
PROBLEM TO BE SOLVED: To determine the type of paper with higher accuracy.SOLUTION: A printer includes: an optical sensor provided to one of a movable unit and a non-movable unit; a light source provided to the other of the units; a measurement part for measuring light intensities of light, which is emitted from the light source and reflected by a print media to be printed, with the optical sensor at multiple positions in the movable unit during movement of the movable unit; and a determination part for determining the type of the print media to be printed on the basis of the multiple light intensities measured by the measurement part. |
