Inkjet printer with printhead cleaning device (Machine-translation by Google Translate, not legally binding)

An inkjet printer (10) for printing with ink on a substrate, comprising: at least one inkjet printhead (20) for inkjet to a substrate; the at least one inkjet printhead (20) has a lower nozzle plate (32) comprising a plurality of inkjet nozzles (34), a transport device (28) for moving the substrate through the inkjet printer and under the at least one inkjet printhead (20), a cleaning device (50) of the printhead for cleaning the at least one inkjet printing head (20), characterized in that inkjet printhead (20) and the cleaning device (50) of the printhead is suitable for relative movement with one another in a maintenance position, The cleaning device (50) of the printhead comprises an upwardly directed cleaning face (54) provided with at least for directing the cleaning liquid upward in the direction of the lower nozzle plate (32) of the inkjet printhead (20); The inkjet printer (10) comprises a controller (46) for regulating the back pressure of the ink in the inkjet nozzles, where the controller (46) is configured to apply (a) a negative printing pressure with respect to the ambient atmosphere to the inkjet nozzles during a printing operation, where an image is recorded on the substrate by injecting ink from the inkjet nozzles (34) to the substrate, (b) a positive purge pressure, with respect to the ambient atmosphere, to the inkjet nozzles during the cleaning operation, during which the inkjet nozzles (34) are purged with ink, (c) a rinsing pressure to the inkjet nozzles during the cleaning operation, during which the bottom nozzle plate (32) is rinsed with cleaning liquid supplied by the cleaning liquid supply element, wherein the purge pressure is higher than the rinse pressure, and said rinse pressure is higher than the printing pressure. (Machine-translation by Google Translate, not legally binding) 1. Una impresora de chorro de tinta (10) para imprimir con tinta en un sustrato, que comprende: por lo menos un cabezal de impresión de chorro de tinta (20) para inyección de tinta a un sustrato; el por lo menos un cabezal de impresión de chorro de tinta (20) tiene una placa de boquillas inferior (32) que comprende una pluralidad de boquillas de inyección de tinta (34), un dispositivo de transporte (28) para trasladar el sustrato a través de la impresora de chorro de tinta y debajo del al menos un cabezal de impresión de chorro de tinta (20), un dispositivo de limpieza (50) del cabezal de impresión para limpiar el al menos un cabezal de impresión de c