| 摘要 |
A printer cartridge for an inkjet printer comprises a body configured for user insertion in, and removal from, a printer; a pagewidth printhead, incorporated with the body, and having an array of nozzles for ejecting different printing fluids onto a media substrate, each of the nozzles being dedicated to one of the different printing fluids only; a plurality of printing fluid reservoirs in the body for storing each of the different printing fluids separately, each of the plurality of printing fluid reservoirs being in fluid communication with the nozzles of the array that correspond to its printing fluid; and a refill port on the body, the refill port having a plurality of inlets, each of the inlets being in fluid communication with one of the printing fluid reservoirs only; such that, each of the printing fluid reservoirs can be individually refilled to replace printing fluid ejected by the pagewidth printhead. Each of the printing fluid reservoirs has a flexible membrane that has an expanded configuration when the printing fluid reservoir is full and a collapsed configuration when the printing fluid reservoir is ink depleted such that the printing fluid reservoir defines an internal volume containing printing fluid only, and during printing, the refill port is closed and disengaged from any source of refill printing fluid.
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