Patent ID: 8141981

Claim:
Ink jet printing device ( 1 ) for printing multicoloured images with an essentially horizontally disposed conveyor mechanism ( 2 ) for moving items to be printed ( 3 ) lying on it in a forward feed direction ( 4 ), and with a print head arrangement ( 5 ) disposed above the conveyor mechanism ( 2 ) which is disposed stationary relative to the conveyor mechanism ( 2 ) during the printing process, and the print head arrangement ( 5 ) comprises several print heads ( 6 ) each with several nozzles disposed in a nozzle row ( 26 ), and the nozzle rows ( 22 ) have a printing range width ( 24 ) as measured perpendicular to the forward feed direction ( 4 ) by means of which a total printing range width ( 27 ) of the print head arrangement ( 5 ) is formed corresponding to the number of print heads ( 6 ), and the print head arrangement ( 5 ) is disposed so that it can be moved vertically on a guide ( 10 ) and a nozzle rinsing device ( 14 ) which can be positioned underneath the print head arrangement ( 5 ) as and when necessary is provided, wherein the nozzle rinsing device ( 14 ) has a funnel row ( 101 ) for every print head row ( 26 ) and the funnel rows ( 101 ) are each connected via a separate line ( 108 ) to a tank ( 13 ) corresponding to the respective colour for supplying the print heads ( 6 ), and an ink cleaning device ( 110 ) is respectively provided between the funnel rows ( 101 ) and the tanks ( 13 ), and the nozzle rinsing device ( 14 ) has another funnel row ( 103 ), which other funnel row ( 103 ) is connected to a waste tank.