Assembly of a print head and a maintenance unit and method for the use of said assembly

摘要

The present invention relates to an assembly of a print head and a maintenance unit. The present invention further relates to a method for the use of an assembly of a print head and a maintenance unit.

主权项

1. An assembly of a print head and a maintenance unit for maintaining the print head, the print head comprising a nozzle surface, the nozzle surface comprising at least one nozzle arranged therein;
the maintenance unit comprising a web, the web being configured to wipe across the nozzle surface of the print head when the web contacts the nozzle surface, the maintenance unit further comprising moving means to move the web with respect to the nozzle surface, the maintenance unit further comprising wetting means for wetting the web with a maintenance fluid; the assembly being further provided with a control unit configured to control the maintenance unit and the print head, wherein the control unit is configured to, based on a condition of the print head, selectively apply a maintenance action to the print head using the maintenance unit, wherein the maintenance action is: a conservation action for preventing drying of ink due to evaporation of ink from the at least one nozzle in the nozzle surface by supplying the nozzle with the maintenance fluid, wherein during the conservation action, the control unit controls the print head to apply an under pressure to the at least one nozzle to suck fluid from the web into the at least one nozzle.