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@hunter212 

If you are having the issue where you are unable to scan from the glass, then updating your macOS to 10.15.3 will resolve that.

 

If you are having some other issue then you will need to be more specific.  The software for the 8710 was updated for Catalina in October.  So, it is compatible.  The scanning from glass issue was fixed in the OS.

While I may work for HP Inc, the views and opinions expressed here are my own.
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Message 202 of 205
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@IronBadger

 

Do you have an idea why my new "Color LaserJet Pro MFP M283fdw" doesn't work under Mac OS 10.15.3?

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I have re-downloaded OS 10.15 but I still have the problem of my printer not printing 2-sided. This has nothing to do with the scanning capabilities, which I haven't even tried yet.

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Message 204 of 205
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I've got the DeskJet 3750. This solution does NOT work!

Can anyone please help? thanks.

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Message 205 of 205
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I see @IronBadger has shared some great information in another post. Thank you! So I copy it here. Hope it helps. 

 

No Preview for crop and adjustments, no Send to option, Communication errors, etc.

 

For those reporting the Gray preview window and the lack of being able to Send to, it seems deleting the preferences resolves these issues for me.

 

If you downloaded HP Easy Scan from the Mac App store then you need to delete the following folders

~/Users/username/Library/Containers/com.hp.EasyScanMac

~/Users/username/Library/Containers/com.hp.scan.request.handler

 

If you downloaded HP Easy Scan using HP Smart then you need to delete the following files

~/Users/username/Library/Preferences/com.hp.EasyScanMac.plist

~/Users/username/Library/Preferences/com.hp.scan.HPScanCaptureMgr.plist

Then relaunch HP Easy Scan.

 

In macOS Catalina I will reliably get the communication error on the first scan.

Screen Shot 2020-03-19 at 10.26.41 AM.png

 

After this occurs click Ok.  Then select Browse Scanners and select your scanner.  I was then able to successfully scan.

Screen Shot 2020-03-19 at 10.24.11 AM.png

 

I will periodically get the communication error again if I try and scan consecutive pages quickly.  Simply waiting a few seconds allows for a successful scan.  I have it under good authority that the next update to a certain OS resolves drastically reduces this timing issue.

 

For those getting the 704 errors it could be 1 of 2 issues.

1. You do not have the complete HP Essentials Package installed on your macOS.  To make sure you have the latest Essentials download and run HP East Start.  Some older devices require a device driver that is not installed as part of HP Easy Scan but is installed with the Essentials.  Image Capture needs these drivers for older devices as well.  These drivers are located in:

~/Library/Image Capture/Devices

There could be any number of HP Scanner devices.  Each driver supports different devices and have names like "HP Scanner 4".

 

2. If you have installed the latest Essentials package and still get the 704  error it may mean your device is not supported in macOS Catalina.  Some device drivers were not able to be ported over.  This mainly includes several old ScanJet models like  the 200 and 300.

 

And finally, if all this fails I suggest deleting all of the preferences referenced earlier and then deleting HP Easy Scan from the apps folder.  Then go to the Mac App store and re-download HP Easy Scan.  Then try scanning again.


I am HP Employee
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