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Anonymous posted an answer for this HP Officejet Pro L7480 All-in-One Multifunction Inkjet:
"my hp office jet pro l7500 indicates the ink has expired in all cartages but the cartgages..."
Anonymous posted a question about HP Officejet Pro L7590 All-in-One InkJet Printer:
"My printer is indicating machine needs a service or repair indicating old ink was used but..."
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