Patent ID: 9079399
Filing Date: 2015-07-14
Classification: B41J

Abstract:
1. A printing system for printing a fluid, the printing system comprising: a print head for ejecting droplets of the fluid, the print head comprising a pressure chamber, the pressure chamber in printing operation containing the fluid, and a nozzle plate which comprises a nozzle, the pressure chamber being in fluid communication with the nozzle, the nozzle containing a meniscus of the fluid; a first fluid storing section, in printing operation containing a first amount of the fluid, the first fluid storing section being in fluid communication to the fluid in the pressure chamber, the first amount of the fluid being arranged lower with respect to the nozzle, wherein lower is defined with respect to the gravity force acting downwards in a direction towards a ground level, thereby providing a negative fluid pressure on the meniscus of the fluid in the nozzle; a second fluid storing section configured for storing a second amount of the fluid, the second fluid storing section in a power down situation being arranged in fluid communication to the pressure chamber; and a pre-tension mechanism configured for: