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

Claim 0:
1. 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 an elapsed period of time;
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 an 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 located along at least one of a side or rear of an interior portion of the ink jet printer, and wherein the linking mechanism is configured to move with or accommodate movement of the scan head; and
after pumping the at least the portion of ink contained in the header tank from the header tank in a direction toward the ink cartridge, pumping at least another portion of ink from the ink cartridge through the tube in a direction toward the header tank.