I have the same scanner.
I tried a couple of scanning programs, one of them gave a 5 char cal file, like this one here.
simple-scan did not like it either.
Another program had a gui with a calibrate function and it coughed up a 65k file, it seems to work for simple scan as well.
I have the same scanner.
I tried a couple of scanning programs, one of them gave a 5 char cal file, like this one here.
simple-scan did not like it either.
Another program had a gui with a calibrate function and it coughed up a 65k file, it seems to work for simple scan as well.
Try xscan.