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<TITLE>Problem with GT68XX and MacOS X REVISED</TITLE>
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<FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>Slight revision of my question to add details of firmware file.<BR>
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Summary of configuration:<BR>
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G5 Dual 2GHz, 2GB RAM<BR>
MacOSX 10.4.3<BR>
Scanner – Mustek A3 USB<BR>
LibUSB – 0.1.11<BR>
SANE Backends - 1.0.16<BR>
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I have installed all the above items and made sure that there is a properly configured (according to the instructions, including an override and a vendor and model number) GT68xx.conf file in /usr/local/etc/ on my boot drive. <BR>
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Also a firmware file (a32fw.usb) in /usr/local/share/sane/gt68xx/.<BR>
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However I still can’t get the scanner to work. The symptoms are:<BR>
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Using sane-find-scanner in Terminal I get:<BR>
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found USB scanner (vendor=0x055f, product=0x0210 [USB Scanner], chip=GT-6816) at libusb:009:004-055f-0210-00-00<BR>
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Then if I try scanimage –L I get a message starting “No scanners were identified...”<BR>
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Following this I have to power-cycle the scanner before it is recognised by sane-find-scanner again.<BR>
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If I try scanimage –L immediately after power-cycling the scanner, I get:<BR>
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device `gt68xx:libusb:009:004-055f-0210-00-00' is a Mustek ScanExpress A3 USB flatbed scanner<BR>
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But irrespective of when I power-cycle, if I try scanimage > test.pnm, I get:<BR>
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scanimage: no SANE devices found<BR>
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I am confused and don’t know where to go next. I think there is an issue here with the scanner having to be power-cycled after every command (is this a bug?), but even if I try and actually scan an image immediately after power-cycling, it still doesn’t work.<BR>
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I am afraid that all the man pages and the FAQ for TWAIN SANE are not very complete in their description of what needs to be done to get everything working properly, and also don’t really help very well when things don’t work. They just do not describe the combination of circumstances I am experiencing. Also they are clearly written mainly for Linux users and much does not directly transfer to MacOS X.<BR>
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The really frustrating thing is that when I installed SANE on a previous MacOS X system it worked fine (within its limits!). I just can’t get it to work again with the latest versions of all the s/w.<BR>
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Do I need to provide any further info, or can someone give me some pointers on what I need to do to get things going beyond where I have got to?</SPAN></FONT>
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