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Common problems for Connectivity Issues
We would like to share some of the most frequently asked questions about Printer Wi-Fi, Connectivity Issues and Offline Status. Check out this link: HP printer is offline or unavailable.
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I have an HP deskjet 4155e and a windows 10 Toshiba computer.  Both were working fine when all of a sudden my printer wouldn't print anything.  My hp app shows its offline which is odd because my computer works fine.  Both were on same network. Want to delete printer and readd it back and see if it will go back online but not sure how to do it.  Any suggestions.

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