Patent ID: 9126404
Filing Date: 2015-09-08
Classification: B41J

Abstract:
1. An image processing apparatus configured to print an image on a printing medium using a printing head having at least a first nozzle array in which a plurality of first nozzles for discharging first color ink is arrayed in an arraying direction and a second nozzle array in which a plurality of second nozzles for discharging second color ink which is different from the first color ink is arrayed in the arranging direction, the image processing apparatus comprising: a first obtaining unit configured to obtain, based on a result of reading a test pattern comprising a pattern image printed on the printing medium by using the first nozzles and a first mark printed on the printing medium by using a part of the second nozzle, first information indicating the first mark and second information indicating a distance between the first mark indicated in the first information and a faulty region within the pattern image; a second obtaining unit configured to obtain third information indicating a part of first nozzles corresponding to the part of second nozzles used for printing the first mark based on the first information obtained by the first obtaining unit; and an identifying unit configured to identify, from among the first nozzles used for printing the pattern image, a first nozzle corresponding to the faulty region based on the second information obtained by the first obtaining unit and the third information obtained by the second obtaining unit.