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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Following debugging suggestions from:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>https://www.unix.com/man-page/centos/7/sane/<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I first ran "export SANE_DEBUG_DLL=128" before running scanimage -L to obtain debugging information<o:p></o:p></p><p class=MsoNormal>On the first run after rebooting the server scanimage -L gives me:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>[sanei_debug] Setting debug level of dll to 128.<o:p></o:p></p><p class=MsoNormal>[dll] sane_init: SANE dll backend version 1.0.13 from sane-backends 1.0.24<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: attempting to open directory './dll.d'<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: attempting to open directory '/etc/sane.d/dll.d'<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: using config directory '/etc/sane.d/dll.d'<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: done.<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_config: reading dll.conf<o:p></o:p></p><p class=MsoNormal>[dll] add_backend: adding backend 'net'<o:p></o:p></p><p class=MsoNormal>[dll] add_backend: adding backend 'plustek'<o:p></o:p></p><p class=MsoNormal>[dll] sane_get_devices<o:p></o:p></p><p class=MsoNormal>[dll] load: searching backend 'plustek' in 'usr/lib64/sane'<o:p></o:p></p><p class=MsoNormal>[dll] load: trying to load 'usr/lib64/sane/libsane-plustek.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] load: dlopen()ing 'usr/lib64/sane/libsane-plustek.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] init: initializing backend 'plustek'<o:p></o:p></p><p class=MsoNormal>[dll] init: backend 'plustek' is version 1.0.0<o:p></o:p></p><p class=MsoNormal>[dll] load: searching backend 'net' in 'usr/lib64/sane'<o:p></o:p></p><p class=MsoNormal>[dll] load: trying to load 'usr/lib64/sane/libsane-net.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] load: dlopen()ing 'usr/lib64/sane/libsane-net.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] init: initializing backend 'net'<o:p></o:p></p><p class=MsoNormal>[dll] init: backend 'net' is version 1.0.24<o:p></o:p></p><p class=MsoNormal>[dll] sane_get_devices: found 1 devices<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: exiting<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: calling backend 'plustek's' exit function<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: calling backend 'net's' exit function<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: finished<o:p></o:p></p><p class=MsoNormal>device 'plustek:libusb:001:002' is a Canon CanoScan N124OU/LIDE flatbed scanner<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Running scanimage -L a second time gives me:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>[sanei_debug] Setting debug level of dll to 128.<o:p></o:p></p><p class=MsoNormal>[dll] sane_init: SANE dll backend version 1.0.13 from sane-backends 1.0.24<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: attempting to open directory './dll.d'<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: attempting to open directory '/etc/sane.d/dll.d'<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: using config directory '/etc/sane.d/dll.d'<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_dlld: done.<o:p></o:p></p><p class=MsoNormal>[dll] sane_init/read_config: reading dll.conf<o:p></o:p></p><p class=MsoNormal>[dll] add_backend: adding backend 'net'<o:p></o:p></p><p class=MsoNormal>[dll] add_backend: adding backend 'plustek'<o:p></o:p></p><p class=MsoNormal>[dll] sane_get_devices<o:p></o:p></p><p class=MsoNormal>[dll] load: searching backend 'plustek' in 'usr/lib64/sane'<o:p></o:p></p><p class=MsoNormal>[dll] load: trying to load 'usr/lib64/sane/libsane-plustek.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] load: dlopen()ing 'usr/lib64/sane/libsane-plustek.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] init: initializing backend 'plustek'<o:p></o:p></p><p class=MsoNormal>[dll] init: backend 'plustek' is version 1.0.0<o:p></o:p></p><p class=MsoNormal>[dll] load: searching backend 'net' in 'usr/lib64/sane'<o:p></o:p></p><p class=MsoNormal>[dll] load: trying to load 'usr/lib64/sane/libsane-net.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] load: dlopen()ing 'usr/lib64/sane/libsane-net.so.1'<o:p></o:p></p><p class=MsoNormal>[dll] init: initializing backend 'net'<o:p></o:p></p><p class=MsoNormal>[dll] init: backend 'net' is version 1.0.24<o:p></o:p></p><p class=MsoNormal>[dll] sane_get_devices: found 0 devices<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: exiting<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: calling backend 'plustek's exit function<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: calling backend 'net's exit function<o:p></o:p></p><p class=MsoNormal>[dll] sane_exit: finished<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>No scanners were identified. If you were expecting something different,<o:p></o:p></p><p class=MsoNormal>check that the scanner is plugged in, turned on, and detected by the<o:p></o:p></p><p class=MsoNormal>sane-find-scanner tool (if appropriate). Please read the documentation<o:p></o:p></p><p class=MsoNormal>which came with this software (README, FAQ, manpages).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The only difference between the two is that the first time<o:p></o:p></p><p class=MsoNormal>[dll] sane_get_devices: found 1 devices<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>whereas the second<o:p></o:p></p><p class=MsoNormal>[dll] sane_get_devices: found 0 devices<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>???<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>