Patent ID: 7794077

Claim:
Inkjet printer with a printing bed for displacing a print medium in a forward feed direction and with a print head carriage disposed above the printing bed for displacing at least one color print head unit in a transverse feed direction, one print head unit with at least one print head being provided for the at least one color print head unit, and every print head has at least one nozzle row oriented in the forward feed direction of the print medium and the at least one color print head unit has an effective row length, wherein another print head unit with nozzles disposed in at least one nozzle row and of an effective row length is provided, the another print head unit is provided as a means of applying white ink, and the effective row length of the at least one color print head unit and the effective row length of the another print head unit at least partially overlap each other in the transverse feed direction, and a control unit for a nozzle control is provided for activating the nozzles, and, of the nozzles of the nozzle row of the at least one color print head unit, only those nozzles lying outside of an overlap region between the effective row length of the at least one color print head unit and a row length of the another print head unit activated for applying white ink are activated.