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A_Gayathri
HP Administrator
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The “ScanToPCActivationApp – Scan to computer is no longer activated”message indicates that the printer’s Scan to Computer feature is currently not enabled on the PC. For the HP OfficeJet Pro 9120e All-in-One Printer, the Scan to Computer function must be activated through the HP scanning software installed on the computer.

Troubleshooting steps

 

  1. Confirm the printer is fully set up

    • Power on the printer.
    • On the printer display, select your language and country/region.
    • Make sure setup is completed 
    • If setup was incomplete, scan features to PC might not be active yet.

  2. Reinstall or open HP App and re-add the printer

    • On your PC, install or open HP App.
    • Choose Set Up a New Printer.
    • Let HP App search for the printer and select it.
    • Follow prompts to connect it to the wireless network 

  3. Make sure the printer and computer are on the same Wi‑Fi network

    • Verify the PC is connected to the same wireless network used during printer setup.
    • If the printer was moved to a different network/router, reconnect it through HP App.

  4. Restart both printer and computer

    • Turn the printer off and on.
    • Restart the PC. 

  5. Open and close the front door, then restart the printer

    • Open the printer’s front door.
    • Close it fully.
    • Press Power to turn the printer off, then on again.

  6. Check firmware version

    • On the control panel, go to: Menu > Tools > Maintenance > Firmware
    • Confirm the printer firmware information. 

  7. Complete printer alignment if setup or printhead service was recently performed

    • If the printer was recently unboxed, serviced, or had printhead work done, ensure alignment finished successfully.
    • For 9120 series, you must scan the alignment page to complete alignment:
      • Open scanner lid
      • Place alignment page face-down on the scanner glass
      • Align it with the indicated corner
      • Close lid
      • Select Scan Reason: On the 9120 series, alignment is not complete until the page is scanned. Incomplete setup/alignment can interfere with scanner-related workflows. 
      • Ensure genuine HP printhead/setup cartridges were installed correctly
        • If applicable, verify the printhead is latched properly and the SETUP cartridges were inserted fully.
        • After installation, allow initialization to complete and complete the alignment scan. 

Reasons 

  • HP App / printer software is not installed correctly or the printer is no longer associated with the PC
  • The printer and PC are not on the same Wi‑Fi network.(2.4ghz) 
  • Printer setup was not fully completed, including alignment steps required on the 9120 series. 
  • A firmware-related state or communication issue may be affecting normal operation.

Need help or have any questions? Start a new discussion here and get the answers you need.

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.