Patent ID: 8118385

Claim:
A method for aligning printing of dots generated by at least one array of printing elements of an ink jet printing apparatus, the method comprising the steps of: printing a calibration test pattern on a printing medium; scanning the printed calibration test pattern; determining at least one calibration value based on the scanned calibration test pattern; and adjusting the alignment of the at least one array of printing elements based on the at least one calibration value; wherein the step of adjusting the alignment of the at least one array of printing elements further comprises: positioning an alignment adjustment tool relative to the at least one array of printing elements; automatically adjusting the alignment of the at least one array of printing elements; and the step of positioning the alignment tool relative to the at least one array of printing elements includes moving the alignment adjustment tool to a position to engage with an adjusting device arranged to adjust the alignment of the at least one array of printing elements.