My comments are included below.
First, when I tried to run rmmod scanner the system said "command not found," even when I tried it from the /sbin directory. I tried to run modprobe and got the same response.
As root? If this doesn't work, your system is broken. These are just the basic module loading/unloading commands.
If for some reason /sbin is not in root's path, you can run the
commands with the full pathname (e.g. /sbin/rmmod scanner).
You're right. I tried again to run rmmod as root and found it worked with the /sbin path included. The response was "scanner module not loaded." When I then ran modprobe it succeeded in installing the scanner module. I then ran sane-find-scanner and it found the UMAX scanner on the USB port. With that, I was able to run SANE and start the scanner. Now I am playing with SANE trying to get the Preview to work and the brightness and contrast settings correct. But without your help and advice, I would never have gotten the scanner seen, let alone scanning images.
Right again. After I ran the commands you recommended, the scanner was recognized properly.
The scanner was detected as a USB device most probably, but the kernel
doesn't know that it's a scanner. There is no class or other
identification that tells the scanner which USB device is a scanner so
the ids of each scanner must be added to the source code of the kernel
or entered manually. The latter method is done with the above
mentioned modprobe command. With this command you telle the kernel to
load the scanner driver and that the USB device is a scanner.
That works automatically. The SANE frontend (e.g. xsane or scanimage)Right again. Once the scanner was found by the kernel, SANE installed the Plustek backend.
asks the SANE backends to check for known scanners. Each backend now
checks if any of the scanners it knows is present. Ideally, you don't
need to fiddle with any SANE config file at all.
Right again. The "I:" line did indeed have "driver=(none)." I haven't rechecked, but since the scanner is working, I assume it has the Plustek driver.
Check the line that starts with "I:" (after the lines with the ids of your scanner). I bet that it has a "driver=(none)" entry there. You need a "driver=usbscanner". You can achieve this with the modprobe command mentioned above.
Right again. I have the source on additional Red Hat discs, but never saw a reason to install them.The scanner.txt document is not included in the Red Hat installation.
It most probably is, it's part of the kernel source. So I guess you just haven't installed the necessary package (kernel source probably) :-)
Again, I apologize if any thing I said was interpreted as any form of insult or put-down. It was only intended in jest. I very much appreciate your help, without which I would never have gotten my scanner to work.
Sincerely, Rich
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