having problem running Canon scanner Canoscan Lide20 under Mac OSX 10.11 El Capitan. scanimage recognises it, but wont work with output, says
scanimage: no SANE devices found Vuescan software recognises it and scans ok. here are some logs... olivers-MacBook-Pro:~ oli$ sane-find-scanner found USB scanner (vendor=0x05ac [Apple Inc.], product=0x821a [Bluetooth USB Host Controller]) at libusb:002:007-05ac-821a-ff-01 found USB scanner (vendor=0x04a9 [Canon], product=0x220d [CanoScan], chip=LM9832/3) at libusb:002:005-04a9-220d-ff-00 # Your USB scanner was (probably) detected. It may or may not be supported by # SANE. Try scanimage -L and read the backend's manpage. olivers-MacBook-Pro:~ oli$ scanimage -L device `plustek:libusb:002:005-04a9-220d-ff-00' is a Canon CanoScan N670U/N676U/LiDE20 flatbed scanner olivers-MacBook-Pro:~ oli$ scanimage -vvv > test.pnm scanimage: no SANE devices found Calling sane_exit scanimage: finished and here is the log debug file olivers-MacBook-Pro:~ oli$ SANE_DEBUG_PLUSTEK=5 scanimage > test.pnm 2> logsane.txt [sanei_debug] Setting debug level of plustek to 5. [plustek] Plustek backend V0.52-12, part of sane-backends 1.0.25 [plustek] Retrieving all supported and conntected devices [plustek] Available and supported devices: [plustek] Device: >libusb:002:005-04a9-220d-ff-00< - 0x04a9x0x220d [plustek] usbDev_open(auto,) - 0x7fb5c1f01160 [plustek] Vendor ID=0x04A9, Product ID=0x220D [plustek] usbio_DetectLM983x [plustek] usbio_DetectLM983x: found LM9832/3 [plustek] Detected vendor & product ID: 0x04A9-0x220D [plustek] Device description for >0x04A9-0x220D< found. [plustek] usb_initDev(41,0x04a9,-1) [plustek] Device WAF : 0x00004002 [plustek] Transferrate: 1000000 Bytes/s [plustek] Device Flags: 0x00000000 [plustek] Vendor adjusted to: >Canon< [plustek] LAMP-STATUS: 0x00000000 (off) [plustek] RESETTING REGISTERS(-1) - 0x80 [plustek] MISC I/O after RESET: 0x66, 0x16, 0x91 [plustek] Calibration file-names set to: [plustek] >/Users/oli/.sane/Canon_CanoScan_N670U_N676U_LiDE20-coarse.cal< [plustek] >/Users/oli/.sane/Canon_CanoScan_N670U_N676U_LiDE20-fine.cal< [plustek] usb_SetScanParameters() [plustek] usb_GetMCLKDivider() [plustek] usb_GetMCLKDiv() [plustek] * PhyBytes = 6 [plustek] * PhyLines = 4 [plustek] * TotalBytes = 24 [plustek] * Scansteps=72 (9*1200/150) [plustek] usb_SetScanParameters() done. [plustek] usbDev_getCaps() [plustek] Scanner information: [plustek] Vendor : Canon [plustek] Model : CanoScan N670U/N676U/LiDE20 [plustek] Flags : 0x00000000 [plustek] drvclose() [plustek] usbDev_stopScan() [plustek] usbDev_ScanEnd(), start=0, park=0 [plustek] usbDev_close() [plustek] Presetting Gamma tables (len=4096) [plustek] * Channel[0], gamma 2.000 [plustek] * Channel[1], gamma 2.000 [plustek] * Channel[2], gamma 2.000 [plustek] * Channel[3], gamma 2.000 [plustek] ---------------------------------- [plustek] usbDev_open(libusb:002:005-04a9-220d-ff-00,) - 0x0 [plustek] Vendor ID=0x04A9, Product ID=0x220D [plustek] usbio_DetectLM983x [plustek] * could not read version register! [plustek] sane_start: open failed: 25 scanimage: sane_start: Error during device I/O [plustek] Shutdown called (dev->fd=-1, libusb:002:005-04a9-220d-ff-00) [plustek] Function ignored! thank you for your time.
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