[sane-devel] HP4470c - OSX - USB intermittently working

[Richard Bakker]

I can't stop any daemons - as there are no 4470c drivers for OSX,  
unfortunately.



On 11 mei 2009, at 22:25, Oleg Perelet wrote:

>
> I've seen similar behaviors with HP & Epson scanners on OSX. Problem  
> (in my case) was that factory scanner software launches daemons on  
> USB hotplug that grab device (scanner).
>
> My way of dealing with it (and use SANE) - kill HP (or Epson)  
> daemons and anything twain ... and use SANE afterward.
>
> Oleg.
>
>
>
> --- On Mon, 5/11/09, stef <stef.dev at free.fr> wrote:
>
>> From: stef <stef.dev at free.fr>
>> Subject: Re: [sane-devel] HP4470c - OSX - USB intermittently working
>> To: sane-devel at lists.alioth.debian.org
>> Date: Monday, May 11, 2009, 2:01 PM
>> Le Monday 11 May 2009 11:09:23 Richard Bakker, vous avez
>> écrit :
>>> I have the weirdest experience with SANE - OSX, USB
>> and a HP4470c
>>>
>>> When I unplug the USB, reconnect and execute some
>> tests (stripped
>>> output):
>>>
>>> -------------------------
>>> Macintosh:~ richardbakker$ sane-find-scanner
>>> found USB scanner (vendor=0x03f0, product=0x0805,
>> chip=rts8801/
>>> rts8891) at libusb:004:003-03f0-0805-00-00
>>>
>>> Macintosh:~ richardbakker$ sane-find-scanner
>>> found USB scanner (vendor=0x03f0, product=0x0805,
>> chip=rts8801/
>>> rts8891) at libusb:004:003-03f0-0805-00-00
>>>
>>> Macintosh:~ richardbakker$ sane-find-scanner
>>> found USB scanner (vendor=0x03f0, product=0x0805,
>> chip=rts8858c?) at
>>> libusb:004:003-03f0-0805-00-00
>>>
>>> Macintosh:~ richardbakker$ scanimage -L
>>> No scanners were identified.
>>>
>>> Macintosh:~ richardbakker$ sane-find-scanner
>>>   # No USB scanners found.
>>>
>>>
>>> -------------------------
>>>
>>> I can reproduce this output by unplugging the USB
>> and/or power and
>>> reconnect.
>>> I managed once to scan using PS CS4, second scan -
>> "No devices found"
>>
>> 	Hello,
>>
>> 	could you try the same test but with scanimage -L , with
>> sane usb debug
>> enabled by running :
>> SANE_DEBUG_SANEI_USB=7 scanimage -L 2>probe.log
>>
>> 	And send debug logs (once compressed) either to the
>> mailing list or directly
>> to me if it's too big.
>> 	
>> 	You may also try another USB cable or plug it in another
>> port if possible.
>>
>> Regards,
>> 	Stef
>>
>>
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>
>
>
>
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Met vriendelijke groet,

Richard Bakker

web:      www.richardbakker.com
email:    bakman at xs4all.nl
mobile:  +31 (0) 6 387 50 943