##This complete process was originally discovered by Steve Leiber – don’t thank me, thank him!

I’m sorry, I’m not in any position to be able to offer any help with this – if the following doesn’t work, you’re on your own! (Though, I’ve had lots of emails from people saying it does work…)

Buy a Mustek A3 from Amazon

All details taken from here (Steve Leibers Blog) works for me though (OSX 10.4.5)

Grab all files from here:

http://www.ellert.se/twain-sane/

Install in the following order:

* libusb.pkg
* sane-backends.pkg
* twain-sane-interface.pkg
* sane-preference-pane.pkg

This installs the sane twain backend, now grab the mustek driver from here: http://www.meier-geinitz.de/sane/gt68xx-backend/

> Go into system preferences, click on the SANE icon
> Find the gt68xx line.
> Click the configure button.
>A terminal window will open.

>Scroll to find the part that says this:
>
>\#Autodetect Mustek ScanExpress A3 USB
>usb 0x055f 0×0210
>
>\# Mustek ScanExpress A3 USB doesn’t need any manual settings
>
>Delete the “#”‘s and click okay. You’ll probably have to enter your system password.
> Then Find the gt68xx line in your SANE window again and click the firmware button. This will open up another terminal window. Drag that “a32fw.usb ” file off your desktop into the terminal window, and save it.

> Shut down.
> Plug your mustek’s USB cord into your computer.
> Turn it on.
> Go into photoshop.
> Open IMPORT from the FILE menu and hit SANE.

–
And, finally, to quote Steve in his post on the subject:
> I should note that I’m not able to offer you tech support. I can barely solve my own problems, much less yours. If what I’ve written here doesn’t work for you, I’m sorry, but I can’t help you.

I see Steve’s blog has moved and the page is no longer available, oh well.