inkjet printer or a printhead for an inkjet printer, and methods for covering a plurality of nozzles and for operating an inkjet printer or a printhead for an inkjet printer

摘要

1/1 overview “inkjet printer or a printhead for an inkjet printer, and methods to cover a plurality of nozzles and to operate an inkjet printer or a printhead for an inkjet printerâ € cobertura a cover (13), (15), for the print face (9) of an on-demand droplet inkjet printer moves between a position Closed position, in which it covers the nozzles on the print face (9), and an open position in which the nozzles are uncovered, without requiring movement of the print face (9). in the open position, the cover is lowered relative to the front surface (2) of the printhead. for at least part of the movement of the cover, they are further ahead than the print face (9) so that it does not slide and damage the print nozzles. The drop-on-demand inkjet printer can be used to print on objects (3) carried by it, for example on a packaging line. the cover (13), (15) does not obstruct the path of the objects (3) even as they pass too close (e.g. 0.5 mm) to the print face (9) because their position The uncovered position is further behind than the front surface (21) of the printhead.