HPSmartcannotscan

NowgotoControlpanel–Devicesandprinter–Selectalltheprinterentriesandremovethedevice.·Restartyourcomputer.,WhenattemptingtoscanwiththeHPSmartappforWindowsormacOS,aScanningisCurrentlyUnavailablemessagedisplaysintheappandyoucannotscan.,WhenattemptingtoscanwiththeHPSmartappforAndroid,thescanbuttonisgrayedout,unresponsive,orthepreviewscreenisnotloading.

參考資訊如下
No longer able to scan using HP Smart app

Now go to Control panel – Devices and printer – Select all the printer entries and remove the device. · Restart your computer.

'Scanning is Currently Unavailable' displays in the ...

When attempting to scan with the HP Smart app for Windows or macOS, a Scanning is Currently Unavailable message displays in the app and you cannot scan.

HP printers

When attempting to scan with the HP Smart app for Android, the scan button is grayed out, unresponsive, or the preview screen is not loading.