HP OfficeJet Pro 9730e Scan Option

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Based on the issue description. Since HP Smart works but the standard scan job fails, we can rule out a hardware failure. This might point to a communication timeout or a buffer issue between the printer’s physical "Send" command and your computer.

Since Windows often defaults to a WSD (Web Services for Devices) port which might drop long data transfers (like a multi-page scan). The suggestion here is to switch to a manual IP port. The suggestion here is to switch to a TCP/IP Port instead of a WSD port by going to Control Panel > Devices and Printers. Right-click your printer > Printer Properties. Go to the Ports tab. If the checked port starts with "WSD". Click "Add Port," select "Standard TCP/IP Port," and enter your printer's IP address.

It is also worth to adjust Windows Image Acquisition (WIA) Settings by press Win + R, type services.msc, and hit Enter. Scroll down to Windows Image Acquisition (WIA). Right-click it and select Properties. Go to the Recovery tab. Set First failure, Second failure, and Subsequent failures all to Restart the Service. Click Apply and OK.

Another point worth mentioning here is to disable and then re-enable Scan to Computer. Sometimes the link between the HP software and the printer gets "stuck" on a specific page limit. Open the HP Printer Assistant. Go to Scan > Manage Scan to Computer. Click Disable. Wait 30 seconds, then click Enable. Restart both the printer and the PC.

Hope the above information is helpful! If it helps you getting more insight into the issue, It is appreciated to consider clicking "Accept Answer". Should you have more questions, feel free to leave a message.

The behavior is consistent with a scan driver or WSD/feeder handling issue in Windows rather than a Wi‑Fi or firmware problem, especially since HP Smart Scan works correctly.

Try these steps focusing on Windows and the scan driver path used by Office/Windows apps:

1. Bypass WSD and reinstall the printer/scanner in Windows
   • In Windows, remove the existing HP printer/scanner from Settings → Bluetooth & devices → Printers & scanners.
   • Re‑add it, but when choosing how to connect, avoid WSD if possible and instead use the HP software’s recommended connection method (HP TCP/IP or HP’s own driver) so that scanning does not rely on the generic WSD stack.
2. Use the Windows Scan app instead of the legacy path
   • Install or open the Windows Scan app.
   • Make sure the scanner is turned on.
   • Right‑click the Start menu → Search → type Windows Scan → open Scan.
   • In Scanner, select the HP OfficeJet Pro 9730e.
   • In Source, explicitly choose Feeder (or Auto-configured if Feeder is not listed).
   • Place more than three pages in the document feeder and run a test scan.
     If this works reliably, the problem is likely with the older scan path (e.g., Windows Fax and Scan or an Office add‑in) rather than the device or network.
3. Check for known WSD/document feeder issues
   On older Windows versions, WSD scanning could fail when scanning multiple pages from a feeder because WSD did not process multi‑page data correctly. This was fixed by installing specific Windows updates/hotfixes. If using Windows 7/8/8.1/Server 2012/2012 R2, ensure all Windows Updates are installed so that WSD scan fixes are applied.
4. Prefer HP’s full driver over generic drivers
   • Confirm that the HP full feature software is installed and that Windows is not using a generic class driver.
   • If the device was originally installed on an older OS and later upgraded, reinstall the HP software after all Windows Updates are applied to ensure all required scan libraries are present.
5. If the issue only occurs from specific apps (e.g., Word/Office)
   • Use HP Smart or Windows Scan to create a multi‑page PDF first, then insert that PDF into Word/Office as a workaround.
   • This avoids the problematic scan path while still allowing use of Office.

If, after these steps, only the WSD/Windows‑initiated scan path fails after three pages while HP Smart and Windows Scan work, continue using HP Smart/Windows Scan for multi‑page jobs and monitor HP’s and Windows Update for driver/stack updates.

References:

• WSD scan fails when you scan many pages in Windows
• Install and use a scanner in Windows
• Add document feeder support
• Identifying the Input Source for a Scan Event
• HP Multifunction Printers and HP Full Feature Software or HP Basic Driver solutions do not work as expected after a computer upgrades from Windows Vista to Windows 7