Patent ID: 8157361

Claim:
An apparatus to selectively purge a desired fluid-jet printhead of a plurality of fluid jet printheads of a page-wide array fluid jet device, comprising: a purging insert completely and movably locatable within a fluid channel of the page-wide array fluid jet device, the fluid channel to supply fluid to the fluid jet printheads during normal operation of the page-wide array fluid jet device in which the fluid is selectively ejected from the fluid jet printheads in accordance with a desired image; a movement mechanism operatively coupled to the purging insert to move the purging insert within the fluid channel incident to just the desired fluid jet printhead and not incident to the fluid jet printheads other than the desired fluid jet printhead; and, a pressurizing mechanism fluidically coupled to the purging insert to pressurize fluid, the purging insert to deliver the fluid as pressurized by the pressurizing mechanism to the desired fluid jet printhead to purge the desired fluid jet printhead.