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HP Customer Support - Knowledge Base
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Replace the printhead in HP OfficeJet Pro 7720, 7730 printers
Replace a damaged or faulty printhead assembly in HP OfficeJet Pro 7720 and 7730 Wide Format All-in-One printers.
Replacement printhead model number: M0H91A
Purchase a printhead
Purchase a printhead from an authorized service provider or from the HP website.
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Go to the HP Parts Store (in English).
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Select your country/region at the top of the webpage.
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Enter the part number into the Find your part field.
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Follow the instructions to order the printhead.
Replace the printhead
Remove the faulty printhead, and then install the new replacement in an HP OfficeJet Pro 7720 or 7730 Wide Format printer.
Additional support options
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Country/Region:
Thailand

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