<div dir="ltr">having problem running Canon scanner Canoscan Lide20 under Mac OSX 10.11 El Capitan.<div>scanimage recognises it, but wont work with output, says</div><div>




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<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">scanimage: no SANE devices found</span></p>


<br></div><div>Vuescan software recognises it and scans ok.</div><div><br></div><div>here are some logs...</div><div><br></div><div>




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<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">




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</span></p><p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">olivers-MacBook-Pro:~ oli$ sane-find-scanner</span></p>


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<p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"></span></p>
<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">found USB scanner (vendor=0x05ac [Apple Inc.], product=0x821a [Bluetooth USB Host Controller]) at libusb:002:007-05ac-821a-ff-01</span></p>
<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">found USB scanner (vendor=0x04a9 [Canon], product=0x220d [CanoScan], chip=LM9832/3) at libusb:002:005-04a9-220d-ff-00</span></p>
<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space">  </span># Your USB scanner was (probably) detected. It may or may not be supported by</span></p>
<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space">  </span># SANE. Try scanimage -L and read the backend's manpage.</span></p>


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<p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">olivers-MacBook-Pro:~ oli$ scanimage -L</span></p>
<p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">device `plustek:libusb:002:005-04a9-220d-ff-00' is a Canon CanoScan N670U/N676U/LiDE20 flatbed scanner</span></p>
<p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><br></span></p><p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">olivers-MacBook-Pro:~ oli$ scanimage -vvv > test.pnm</span></p>
<p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">scanimage: no SANE devices found</span></p>
<p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">Calling sane_exit</span></p>
<p class="gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">scanimage: finished</span></p>


<br></div><div>and here is the log debug file</div><div>




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<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">olivers-MacBook-Pro:~ oli$ SANE_DEBUG_PLUSTEK=5 scanimage > test.pnm 2> logsane.txt</span></p>


<br></div><div><div>[sanei_debug] Setting debug level of plustek to 5.</div><div>[plustek] Plustek backend V0.52-12, part of sane-backends 1.0.25</div><div>[plustek] Retrieving all supported and conntected devices</div><div>[plustek] Available and supported devices:</div><div>[plustek] Device: >libusb:002:005-04a9-220d-ff-00< - 0x04a9x0x220d</div><div>[plustek] usbDev_open(auto,) - 0x7fb5c1f01160</div><div>[plustek] Vendor ID=0x04A9, Product ID=0x220D</div><div>[plustek] usbio_DetectLM983x</div><div>[plustek] usbio_DetectLM983x: found LM9832/3</div><div>[plustek] Detected vendor & product ID: 0x04A9-0x220D</div><div>[plustek] Device description for >0x04A9-0x220D< found.</div><div>[plustek] usb_initDev(41,0x04a9,-1)</div><div>[plustek] Device WAF  : 0x00004002</div><div>[plustek] Transferrate: 1000000 Bytes/s</div><div>[plustek] Device Flags: 0x00000000</div><div>[plustek] Vendor adjusted to: >Canon<</div><div>[plustek] LAMP-STATUS: 0x00000000 (off)</div><div>[plustek] RESETTING REGISTERS(-1) - 0x80</div><div>[plustek] MISC I/O after RESET: 0x66, 0x16, 0x91</div><div>[plustek] Calibration file-names set to:</div><div>[plustek] >/Users/oli/.sane/Canon_CanoScan_N670U_N676U_LiDE20-coarse.cal<</div><div>[plustek] >/Users/oli/.sane/Canon_CanoScan_N670U_N676U_LiDE20-fine.cal<</div><div>[plustek] usb_SetScanParameters()</div><div>[plustek] usb_GetMCLKDivider()</div><div>[plustek] usb_GetMCLKDiv()</div><div>[plustek] * PhyBytes   = 6</div><div>[plustek] * PhyLines   = 4</div><div>[plustek] * TotalBytes = 24</div><div>[plustek] * Scansteps=72 (9*1200/150)</div><div>[plustek] usb_SetScanParameters() done.</div><div>[plustek] usbDev_getCaps()</div><div>[plustek] Scanner information:</div><div>[plustek] Vendor : Canon</div><div>[plustek] Model  : CanoScan N670U/N676U/LiDE20</div><div>[plustek] Flags  : 0x00000000</div><div>[plustek] drvclose()</div><div>[plustek] usbDev_stopScan()</div><div>[plustek] usbDev_ScanEnd(), start=0, park=0</div><div>[plustek] usbDev_close()</div><div>[plustek] Presetting Gamma tables (len=4096)</div><div>[plustek] * Channel[0], gamma 2.000</div><div>[plustek] * Channel[1], gamma 2.000</div><div>[plustek] * Channel[2], gamma 2.000</div><div>[plustek] * Channel[3], gamma 2.000</div><div>[plustek] ----------------------------------</div><div>[plustek] usbDev_open(libusb:002:005-04a9-220d-ff-00,) - 0x0</div><div>[plustek] Vendor ID=0x04A9, Product ID=0x220D</div><div>[plustek] usbio_DetectLM983x</div><div>[plustek]  * could not read version register!</div><div>[plustek] sane_start: open failed: 25</div><div>scanimage: sane_start: Error during device I/O</div><div>[plustek] Shutdown called (dev->fd=-1, libusb:002:005-04a9-220d-ff-00)</div><div>[plustek] Function ignored!</div></div><div><br></div><div><br clear="all"><div>thank you for your time.</div><div class="gmail_signature"></div>
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