[sane-devel] Option text help

littlesincanada littlesincanada at yahoo.co.uk
Sat Aug 10 18:02:55 BST 2019

OK, that makes a lot of sense to me and seems like a great feature.
I came across the message when translating for the release and I thought 
perhaps I could reword it to make it clearer.
Thanks for your help.

I will have a think to see if I can come up with something appropriate 
that is not too wordy.


On 2019-08-10 3:29 a.m., abel deuring wrote:
> Am 10.08.19 um 09:31 schrieb Olaf Meeuwissen:
>> Hi Ralph,
>> littlesincanada writes:
>>> Hi,
>>> While scanning through the messages to fix up some grammar and spelling
>>> mistakes, I came across this following in the file:
>>> backend/kvs40xx_opt.c:405
>>> There is a message that I cannot decipher:
>>> "Long Paper Mode is a mode that the scanner reads the image after it
>>> divides long paper by the length which is set in Document Size option."
>>> Can anyone tell me what it means and what it does?
> I have no direct experience at all with these big Panasonic scanners.
> But your question (which I noticed only now in Olaf's reply...) made me
> curious. So I tried to find some hint what could be meant by searching
> for manuals of one of the scanners supported by the kvs40xx backend,
> specifically, the model KV-S3085. The manual of Panasonic's own "Image
> Capture Software" gives a clue.
> - Open this page:
>    https://panasonic.net/cns/pcc/support/scanner/download.html
> - Scroll to the section "Image Capture Software"
> - Click the "manual" link for version
> - Accept Panasonic's "EULA for manuals"
> - or directly open
> https://www.psn-web.net/cs-im/Japan/Scanner/cojp/data_e/manual/pics-e_37.pdf
> Page 92, section 9.2.15 is about "Long Paper". As I understand it, the
> scanner sends in "long paper" mode a sequence of images, where the size
> of the images is determined by the page size settings. But I did not
> read the manual very carefully, so I could also be totally wrong...
> Abel
>> I think only someone with a suitable scanner can "reverse engineer" what
>> was meant.
>> I checked the backend's history and the message has been like that from
>> the start.  Allan committed it, way back on 2011-06-06, but the code is
>> originally from Panasonic Russia.
>> BTW, the third-party utsushi backend also has a Long Paper Mode.  I'm
>> not sure it's the same thing but that option's documentation says
>>    "Select this mode if you want to scan documents longer than"
>>    " what the ADF would normally support.  Please note that it"
>>    " only supports automatic detection of the document height."
>> IIRC, the ADF would report a maximum document length but when this mode
>> is enabled allows you to scan beyond that maximum.  This is useful in
>> cases where you need to scan long roll paper outputs, e.g. cardiograms
>> or cash register receipts.
>> Maybe this gives a clue
>> --
>> Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
>>   GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13  F43E B8A4 A88A F84A 2DD9
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