scanner is showing error mesege

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My scanner is detected by'sane-find-scanner'. But frontend version of sane (Simple scan) gives me error message as "Failed to open device; 'genesys:libsub:003:002':invalid argument" How to resolve this issue of scamnner?

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khakishoiab On

Please try >sudo strace -o strace.out -f scanimage -T it may help..