[sane-devel] Scanning With Nikon Coolscan LS40 / IVED

[Leon Hauck]

Just tried that with no luck.  Thanks for the tip though.

-- Leon

On 07/28/2017 08:32 PM, m. allan noah wrote:
> You might try sane-backends 1.0.27, which includes the following
> statement in its release notes:
>
> Note 3: The Linux USB3 workaround which was added in version 1.0.25 is
> now disabled by default. If you have difficulty using a scanner which
> previously worked, or intermittent scanner availability, try setting
> the new environment variable SANE_USB_WORKAROUND=1 before starting
> your frontend.
>
> On Fri, Jul 28, 2017 at 10:02 PM, Leon Hauck <leon at progcpu.net> wrote:
>> TLDR: are there any known issues using a Nikon Coolscan IV ED with
>> libusb 0.1.12-30 and kernel 4.9.0?
>>
>> ---------------------------------------
>>
>> I'm trying to get an Coolscan IV ED (LS40) to work with Debian Stretch
>> (current stable release).
>>
>> scanimage -L
>>
>> properly identifies the scanner, however
>>
>> scanimage > testme.pnm
>>
>> hangs and eventually errors out due to an i/o error.
>>
>> I connected this scanner to a laptop running the same software with the same
>> results.
>>
>> I connected the scanner to an older laptop running Debian Jessie (previous
>> stable release), and it works fine, and I can also pass along additional
>> command line arguments for white balance, auto-focus, etc.
>>
>> I'm guessing something may have changed in libusb and/or the kernel, which
>> is preventing communication with this older USB1.1 unit.
>>
>> Are there any known issues with this setup?
>>
>> --
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>
>
>