![]() Thank you to all the posters who shared their own fixes. ![]() if not, I wish it had, I know how flippin' irritating broken software can be. Right-click "C:\Program Files\Canon\Canon MF Network Scan Utility\CNMFSUT6.EXE" If it works, that's the issue, if not, don't bother continuing to read.įile: C:\Program Files\Canon\Canon MF Network Scan Utility\CNMFSUT6.EXE To do this for testing: close CNMFSUT6.EXE in task manager, then right-click this file and run as admin. That's when it occurred to me it wasn't mf toolbox for me, it was the network scan. I had previously tried running the MF Toolbox as an admin (compatibility, all users, as someone else here mentioned) but the problem according to procmon was that mf network scan wasn't able to fire off MF Toolbox. Not all programs are written with this in mind. Windows often updates security as it should. I just tried 20H2 thinking maybe that would help. This had worked until 2019 Windows updated broke found network patch many others mentioned here as well as updated firmware and software worked until when I got Windows 1909. Install the appropriate MF Toolbox, and then perform the operation again."įor the MF4880dw. "MF Toolbox that is supported by the scanner you are using may not be installed on your computer. However, I did receive the same message as many here. My issue was specific to scanning from the unit itself, not the MF Toolbox which worked fine. (I can use the printer functionality just fine.)īriefly, my fix: MF Network scan utility needed to be run as admin. Please Canon - forward this to your engineers and provide a fix asap. It barely starts to scan, then immediately cancels. Trying the built-in Windows Scan app instead of MF Toolbox. It detects the scanner, and MF Toolbox can switch to that device, but it still gives a communications error. I've also tried various other things without success: I've also tried to uninstall the existing MF Toolbox first, and it also hangs at this same dialog. This should be updated.Ģ) I downloaded the one for Windows 8.1, and tried to reinstall, but it just hangs at the "Processing Installation" screen: I thought I would try to reinstall the MF Toolbox utility, but there are two problems.ġ) The downloads page shows no downloads for Windows 10 for this printer. After the upgrade, I get "Cannot communicate with the scanner" error dialog: I had MF Toolbox 4.9 installed before the upgrade, and it worked just fine. I can no longer scan using the MF Toolbox utility. : New firmware version 1.0.5.I have a MF4570dn, and recently upgraded from Windows 8.1 to Windows 10. : Canon EOS R5 C training series is released. (I can use the printer functionality just fine.) I have a MF4570dn, and recently upgraded from Windows 8.1 to Windows 10.
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