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Welcome to HP Customer Support

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  • Information
    Information regarding recent vulnerabilities

    HP is aware of the recent vulnerabilities commonly referred to as "Spectre" and "Meltdown". HP has published a security bulletin with patches for these issues and a list of impacted systems. We will continue to update the bulletin as more information becomes available and encourage customers to check the bulletin frequently.

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HP Color LaserJet Enterprise CM4540 MFP Product Series - Product updates

Product updates
HP regularly updates features that are available in the product firmware. To take advantage of the most current features, update the product firmware. To download the most recent firmware upgrade, go to www.hp.com/go/cljcm4540mfp_firmware.

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Ask the community!


Support Forum

Support Forum

Join the conversation! Find Solutions, ask questions, and share advice with other HP product owners. Visit now

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Country/Region: Flag Canada

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