If MacOS knows your printer is both a printer and a scanner, it will show a 
"Print/Scan" tab at the top of System Preferences / Printers.  If it's not 
there, your printer is either misreporting or your driver is not operating 
properly.  Try re-downloading the driver from the mfr website if they have one.

> On Nov 10, 2018, at 5:56 PM, Carl Hoefs <[email protected]> 
> wrote:
> 
> Hmm. Image Capture says: "No camera or scanner connected."
> 
> It's starting to sound like my Canon is hosed...
> 
> Is there some sort of device cache somewhere to delete?
> 
> -Carl
> 
> 
>> On Nov 10, 2018, at 5:30 PM, Macs R We <[email protected]> wrote:
>> 
>> Hm.  I've never scanned directly with Preview.  I usually use Image Capture 
>> and scan to various places including Preview.  
>> 
>> Why don't you try Image Capture — if it also fails, the problem is almost 
>> certainly with your printer configuration.
>> 
>>> On Nov 10, 2018, at 5:00 PM, Carl Hoefs <[email protected]> 
>>> wrote:
>>> 
>>> Suddenly I can no longer scan from my Canon MG7720 printer/scanner/copier 
>>> to my Mac Pro. The "Import from scanner..." menu item in Preview is grayed 
>>> out. The printer works fine as it always has. I can manually copy items. 
>>> But for some reason Preview doesn't see it as a scanner anymore.
>>> 
>>> I've "Reset printing system...", and added the printer again. I've 
>>> power-cycled the printer, reboot the Mac (High Sierra). All to no avail.
>>> 
>>> What am I missing?
>>> -Carl
>>> 
>>> _______________________________________________
>>> MacOSX-talk mailing list
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>>> http://www.omnigroup.com/mailman/listinfo/macosx-talk
>> 
> 

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