Patent ID: 9676182
Date: 2017-06-13
CPC Classifications: B41J

Claim:
1. A printing apparatus for, using a printhead mounted on a carriage that reciprocally moves in a predetermined direction, printing on a print medium conveyed in a direction different from the predetermined direction, comprising: a detection unit provided on the carriage and configured to detect a distance between the printhead and the print medium at a print position by the printhead, a change unit configured to change a height from the print position to the carriage; a storage unit configured to store first distance information indicating a relationship between the height and a signal representing a result of detection of the distance by the detection unit for each of a plurality of heights while using a print medium for calibration of the detection unit and causing the change unit to change the height; an obtaining unit configured to obtain second distance information indicating a relationship between the height and the signal representing the result of detection of the distance by the detection unit for each of the plurality of heights while using a predetermined print medium and causing the change unit to change the height; and a correction unit configured to compare the first distance information and the second distance information and correct the first distance information stored in the storage unit, based on a result of the comparison.