Mechatotoro gave me a printer Epson XP-231, which also has a scanning function. After installing the drivers and seeing it print text files and scanned pages, I thought I had it up and running well... until I tried to scan a page to save it as an image: it would not start the software to scan that came with the drivers.
I tried simplescan and learned that it didn't recognize my scanner. It saw just the camera.
Then, I tried Xsane. Same problem.
After a few hours of trying, I stumbled upon VueScan. I downloaded the trial and BINGO!!! It worked like a charm.
I was inclined to pay, but realized that the basic version only used the scanner to its minimum. To get it to work fully, you have to pay a bit more. Maybe too much for my budget.
Thus, I set forth on a quest to make the scanner work because, unfortunately, Mechatotoro's method did not work in my case: He was using Red Hat based distros and I use Debian based ones.
Thanks to this fine tutorial, I could solve the problem. This is how I got it:
As root, I opened the file:
Depending on the case, you have to uncomment or add : example-backend
I noticed that there was a line reading epson2, and it was uncommented.
Then, I ran on the CLI:
The output looked like this:
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.
found USB scanner (vendor=0x01aa [EXAMPLE], product=0x0001 [EXAMPLE SCANNER]) at libusb:001:003
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
The line "Found USB scanner (vendor=0x01aa [EXAMPLE], product=0x0001 [EXAMPLE SCANNER]) at libusb:001:003" is the important one here. I copied it somewhere else to have it ready.
As root, I opened
I looked for the line reading "usb" in both files. I added in both, as root, the information of the vendor and of the product I got as my output. Using the example above, it looked like this:
usb 0x01aa 0x0001
After saving those files, all I had to do was starting Xsane. Now it recognized my scanner! :D