@jumblejim
Welcome to the HP support community.
Follow the steps below to resolve scanning and connectivity problems using the HP Print and Scan Doctor
- Download the HP Print and Scan Doctor.
- Run HPPSdr.exe from the download location on your computer.
- Once HP Print and Scan Doctor is open, click Start, and then choose your printer.
- If your printer is not listed, turn it on and click Retry.
- If there is a connection problem, follow the instructions in the tool.
- Click Fix Scanning.
Check Windows Image Acquisition settings
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1. In Windows, search for and open View local services .
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2. In the Services window, scroll down the list and find Windows Image Acquisition (WIA) .
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3. Look at the Status and Startup Type values.
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If the status is Started or Running and the Startup Type is Automatic, WIA is running correctly. Skip to the next step.

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If the status is Disabled or no status displays, right-click Windows Image Acquisition (WIA), click Properties, click the General tab, select Automatic from the Startup type dropdown menu, and then click Start.
If the Start button is grayed out, go back to the Services menu, make sure Remote Procedure Call, Shell Hardware Detection, RPC Endpoint Mapper, and DCOM Server Process Launcher are running and set as Automatic, and then start WIA.
You can refer this HP document for more assistance:- Click here
Let me know how it goes.
To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.
Cheers.
Sandytechy20
I am an HP Employee