Patent ID: 11969994
Assignee: ASSA ABLOY AB
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A method for improving ink jet nozzle health and printing reliability of an ink jet printer, comprising:
monitoring whether a triggering event has occurred, wherein the triggering event is a manual activation of an auto agitation routine by selecting an option to agitate an ink cartridge on a user interface operably connected to the ink jet printer;
pumping, in response to detecting the triggering event has occurred, at least a portion of ink contained in a header tank from the header tank in a direction toward the ink cartridge through a tube connecting the header tank and the ink cartridge, wherein the header tank is included in a scan head and is connected to a print head, and wherein at least part of the tube is located proximate to a linking mechanism configured to move with or accommodate movement of the scan head; and
circulating the ink pumped from the header tank back through the tube in a direction toward the header tank.