Epson v700 suddenly not showing up in vuescan

ac123 · May 12, 2025

Haven't touched it in a week and it suddenly won't connect to my Mac (v15.4). Does not show up in vuescan or epson scan. Was previously working fine for years and I have not moved it from where it sits.

The scanner itself seems to be working fine (powers on like normal, initiates, green light blinks then goes steady). It's connected to my Mac via a usb-b to usb-a cable, which I also just replaced today in case it was the cable - no luck.

Strange as it doesn't appear to be broken? Could this be a driver issue or could this be a mechanic (physical) issue suddenly with the scanner itself? Any advice appreciated.

EricTheReddish · May 12, 2025

Have you tried the obvious: Rebooting your Mac?
Is the scanner connected directly to the Mac, or via USB Hub?

Adam W · May 12, 2025

This occasionally happens with VueScan and my Plustek. Try this:

Turn off the scanner and unplug it
Plug it in to your Mac
Start VueScan
Turn on the scanner
In VueScan, choose "Find Scanners" from the Scanner menu.

P C Headland · May 13, 2025

Does the scanner show up under Settings - General - About - System Report (Hardware - Printers & under USB)?

Sirius Glass · May 13, 2025

Adam W said:
This occasionally happens with VueScan and my Plustek. Try this:

Turn off the scanner and unplug it

Plug it in to your Mac

Start VueScan

Turn on the scanner

In VueScan, choose "Find Scanners" from the Scanner menu.

Take the steps that Adam W suggests. Then if that does not work, call Epson Technical Support for help.

4season · May 13, 2025

Did you update your computer since your last scanning session? If so, make sure your scanning software is up to date, and see if Epson's own scanning software works.

And are you certain that you were using the exact same USB cable as previously? Because it's super-common for cables bundled with a device to have only a subset of the pins connected, often just the bare minimum for that specific device. That's why I have set aside a specific cable for use with my scanner, because I know that all of the pins are properly wired.

blee1996 · May 13, 2025

Sometimes after updating MacOS, USB devices need to be re-authorized for security reasons. But normally there will be on-screen prompt for you to do that when you plug in the USB devices.

ac123 · May 13, 2025

Adam W said:
This occasionally happens with VueScan and my Plustek. Try this:

Turn off the scanner and unplug it

Plug it in to your Mac

Start VueScan

Turn on the scanner

In VueScan, choose "Find Scanners" from the Scanner menu.

That worked! Thank you - strangely enough I think it was having trouble connecting through my Thunderbolt Dock. For some reason it's now only recognizing the scanner when I plug in directly to the USB-C ports on my laptop. Maybe a software upgrade switch up, who knows.

It did have me re-authorize the scanner connection once I did that, so potentially it was a usb authorization issue that the prompt wasn't coming up via dock.

Adam W · May 17, 2025

ac123 said:
That worked! Thank you - strangely enough I think it was having trouble connecting through my Thunderbolt Dock. For some reason it's now only recognizing the scanner when I plug in directly to the USB-C ports on my laptop. Maybe a software upgrade switch up, who knows.

It did have me re-authorize the scanner connection once I did that, so potentially it was a usb authorization issue that the prompt wasn't coming up via dock.

I'm glad it worked!

Epson v700 suddenly not showing up in vuescan

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