Problem

'HP OfficeJet Pro 87xx-All-in-One-Printers' or 'HP PageWide Pro MFP 477 dw' with installation of Universal Print Driver (UPD) works fine but Missing WIA-Device for Scanner.

search Words: WIA - Driver for scan-device is missing; WIA-Windows Image Acquisition

Solution

Install "HP Universal Print Driver for Windows PCL6 (64-bit)"
Files from Download upd-pcl6-x64-6.4.1.22169

Unattendet Installation for Plug & Play Drivers
"%depot_path%\upd-pcl6-x64-6.4.1.22169\install.exe" /infstage /h /q

WIA-Device post Installation:

Extract from Setup Original CD

 http://support.hp.com/de-de/drivers/selfservice/hp-officejet-pro-8730-all-in-one-printer-series/7902...

Follwing files:

set FDepot=C:\Work\HP8730-WIA-Treiber

%FDepot%\HPWia_OJ8730.INF
%FDepot%\HPWia_OJ8730x32.CAT
%FDepot%\HPWia_OJ8730x64.CAT

%FDepot%\drivers\scanner\x32\HPScanTEDrv_OJ8730.dll
%FDepot%\drivers\scanner\x32\HPScanTEDrv_OJ8730_DiscoveryLibDyn.dll
%FDepot%\drivers\scanner\x32\HPWia1_OJ8730.dll
%FDepot%\drivers\scanner\x32\HPWia2_OJ8730.dll

%FDepot%\drivers\scanner\x64\HPScanTEDrv_OJ8730_x64.dll
%FDepot%\drivers\scanner\x64\HPScanTEDrv_OJ8730_x64_DiscoveryLibDyn.dll
%FDepot%\drivers\scanner\x64\HPWia1_OJ8730.dll
%FDepot%\drivers\scanner\x64\HPWia2_OJ8730.dll

Use the Tool pnputil.exe (Plug and Play Utility) It is from Windows OS (Win 7 and Win 10)

pnputil.exe -i -a "C:\work\HP8730-WIA-Treiber\HPWia_OJ8730.INF"

Returns (some is in german Language):

Microsoft-PnP-Utility

Processing info:            HPWia_OJ8730.INF
Der Treiber konnte auf einem Gerät dieses Systems installiert werden.
Das Treiberpaket wurde erfolgreich hinzugefügt.
Published name:            oem35.inf

echo %Errorlevel%
0

You see in Devicemannager
C:\windows\system32\hdwwiz.cpl

in Image processing equipment
"HP OfficeJet Pro 8730 (USB)"

Within Programm like "NAPS" or "Fax and Scan" you are able to Connect the WIA Device.

Best regards Florian