[sane-devel] Fujitsu ScanSnap iX500 "Brain-dead scanner" in SANE 1.0.25

[m. allan noah]

Now, what happens if you try to scan with no paper in the hopper? Does
the scanner work after that?

allan

On Mon, Mar 24, 2014 at 11:19 AM, Krutzbeuazen <krutzbeuazen at gmx.net> wrote:
> Spot on!
> With this change, it all behaves as expected: all pages are scanned, and
> scanimage continues to load pages after this until it has all of them.
>
> What can I say - Thank you, you rock! :-)
>
> Manuel
>
> On 03/24/2014 04:06 PM, m. allan noah wrote:
>> Yes- I had a similar report of this from another user a few days ago.
>> I think the problem is here:
>>
>> If you edit backend/fujitsu.c and change line 2215 from
>>
>> s->hopper_before_op = 1;
>> to
>> s->hopper_before_op = 0;
>>
>> and recompile, that might help. I added that code specifically for
>> this scanner. Without it, the scanner would lock up when you try to
>> scan with no paper in the hopper.
>>
>> Please try, and let me know if that works.
>>
>> allan
>>
>> On Mon, Mar 24, 2014 at 11:01 AM, Krutzbeuazen <krutzbeuazen at gmx.net> wrote:
>>> Thank you for the additional info.
>>> I will have a look from time to time, and eventually find out if USB3
>>> has any real-world advantages here.
>>>
>>>
>>> I might have found a bug now:
>>>> scanimage --format=tiff --batch --mode Color --resolution 300dpi
>>> --source "ADF Duplex" --buffermode On
>>>
>>> This scans all pages in the feeder into the scanners buffer. This is
>>> pretty fast. So fast, that after all eight pages scanned into the
>>> scanner, scanimage has only grabbed four pages.
>>> Scanimage stops loading more pages from the scanners buffer as soon as
>>> "document feeder out of documents", which is when scanimage exits.
>>>
>>> #################
>>>    [..]
>>> [fujitsu] read_from_scanner: no bytes this pass
>>>    [repeated]
>>> [fujitsu] sense_handler: start
>>> [fujitsu] Sense=00, ASC=00, ASCQ=00, EOM=1, ILI=1, info=0x007788
>>> [fujitsu] No sense: ILI remainder:30600
>>> [fujitsu] No sense: EOM
>>> [fujitsu] do_usb_cmd: short read via rs, 30600/61200
>>> Scanned page 5. (scanner status = 5)
>>> Scanning page 6
>>> [fujitsu] get_pixelsize: scanner requests: crop=1, lut=0
>>> Scanned page 6. (scanner status = 5)
>>> Scanning page 7
>>> [fujitsu] read_from_scanner: no bytes this pass
>>>    [repeated]
>>> [fujitsu] sense_handler: start
>>> [fujitsu] Sense=00, ASC=00, ASCQ=00, EOM=1, ILI=1, info=0x007788
>>> [fujitsu] No sense: ILI remainder:30600
>>> [fujitsu] No sense: EOM
>>> [fujitsu] do_usb_cmd: short read via rs, 30600/61200
>>> Scanned page 7. (scanner status = 5)
>>> Scanning page 8
>>> [fujitsu] get_pixelsize: scanner requests: crop=1, lut=0
>>> Scanned page 8. (scanner status = 5)
>>> Scanning page 9
>>> [fujitsu] sane_start: ERROR: cannot load page
>>> scanimage: sane_start: Document feeder out of documents
>>>
>>> ################
>>>
>>> Of course I might simply scan without the buffer. The whole workflow,
>>> until all scans are on the computer, probably won't be slower that way.
>>>
>>> Cheers,
>>>
>>> Manuel
>>>
>>> On 03/24/2014 03:29 PM, Mark Buda wrote:
>>>> This is SANE bug 314545 and the cause is a bug in the Linux USB
>>>> code. The linux-usb people are aware of it and working on a patch.
>>>>
>>>> Sent from my iPad
>>>>
>>>>> On Mar 24, 2014, at 9:13 AM, Krutzbeuazen <krutzbeuazen at gmx.net>
>>>>> wrote:
>>>>>
>>>>> Oh wow! It works on a regular USB2 port! I used the same USB3 port
>>>>> before, both with a USB3 cable and a USB2 cable. Thank you so
>>>>> much!
>>>>>
>>>>> The software is vuescan: http://www.hamrick.com/ Payware,
>>>>> bin-only, no CLI, but some interesting auto-enhancement-features.
>>>>> And it supports scanners which never made it to linux or SANE.
>>>>>
>>>>> Now, on to building that workflow which will free me from all
>>>>> those dead tree slices!
>>>>>
>>>>> Thank you again, eventually I would probably have given up. So
>>>>> close!
>>>>>
>>>>> Manuel
>>>>>
>>>>>> On 03/24/2014 01:43 PM, m. allan noah wrote: Are you using a USB
>>>>>> 3 port? There have been many reports of problems with USB 3
>>>>>> under Linux. Also, what is this proprietary software of which
>>>>>> you speak? Something which runs under Linux?
>>>>>>
>>>>>> allan
>>>>>
>>>>> -- sane-devel mailing list: sane-devel at lists.alioth.debian.org
>>>>> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel
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>>>>
>>>
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>>
>>
>>



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