If it has no sponge, it is not an XL and you have been mis-sold. Simply ignore the low ink warning and continue printing. HP OfficeJet 5740 5742 5744 5746 Printer. Compatible with HP ENVY 5540 5541 5542 5543 5544 5546 5547 5548 5640 5642 5644 5646 7640 Printer.
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