[sane-devel] Simple Scan on Ubuntu 20.04 with Canon Pixma TR4540

[Ralph Little]

Hi,
Excellent. Presumably, that is the ESCL backend kicking perhaps?

Anyway, great to hear.

Cheers,
Ralph

On 2020-05-18 9:19 a.m., Lucy Dixon Hendry wrote:
>
> Hurrah!  Gentlemen, you have saved my life.  I'm not sure which of 
> these saved the day, but suddenly the scanner is showing two versions 
> of the printer, and the second version now scans.
>
> Thank you so much.
>
> All the best
>
> Lucy
>
>
> *Lucy Dixon Hendry*
> *Admin Empress* |///Virtual Assistant, Social Media Marketing, Website 
> Design/*/
> /***
> /Phone: /+27 (0)82 5581 702/
> E-mail: /lucy at adminempress.com <mailto:lucy at adminempress.com>
> /Facebook:/ LFD PR <http://www.facebook.com/lucyfdixonPR>
> //
>
> On 2020/05/18 5:31 pm, Thierry HUCAHRD wrote:
>> Le 2020-05-18 17:10, Ralph Little a écrit :
>>> Hi Lucy,
>>> Sorry to hear that you are still having issues with this device. :(
>>>
>>> On 2020-05-18 2:55 a.m., Lucy Dixon Hendry wrote:
>>>
>>>> Hi Ralph & Thierry & co
>>>>
>>>> Thank you for getting back to me. I have run the following commands
>>>> as suggested:
>>>>
>>>>> apt update
>>>>> apt install libsane libsane-common sane-utils
>>>>
>>>>> sudo apt upgrade
>>>>
>>>> But I'm still getting exactly the same response from Simple Scanner
>>>> - it sees the printer, but when I attempt to scan is says scanner
>>>> not connected.
>>>>
>>>> I'm at my wits end! Any more suggestions?  I have multiple page
>>>> documents to scan.
>>>
>>> OK, I have a few suggestions to see what is going on here.
>>>
>>> Firstly, if this is a new scanner to you, I would check that the
>>> scanner does not require you to select some mode on the device itself
>>> to enable remote scanning.
>>> I have a Canon multi-function machine here (imageClass MF4770n) and in
>>> order to do scanning, I have to set it into "Remote Scanning" mode
>>> using the control panel, otherwise, I get exactly the same error as
>>> you, although the error is pretty generic.
>>>
>>> Secondly, I assume that you are using the ADF at the moment. Could you
>>> attempt a scan on the flatbed area and let us know if this works?
>>> The reason I ask is that the pixma backend has problems with a number
>>> of newer Pixma machines and this would at least determine that SANE is
>>> talking the right language and getting through to the device
>>> sufficiently to have a conversation. Also, while clunky and awkward
>>> compared to the ADF, you might be able to get some work done.
>>>
>>> Thirdly, perhaps you could type the following in a terminal window:
>>>
>>> SANE_DEBUG_PIXMA=50 SANE_DEBUG_ESCL=50 SANE_DEBUG_DLL=10 simple-scan
>>>> pixma.out 2>&1
>>>
>>> ...and try to perform an ADF scan. This should generate some
>>> informative information about the escl and pixma backends, the things
>>> that are being loaded.
>>> Then attach the pixma.out file that is generated to a reply here.
>>>
>>> Hopefully, we can get you going.
>>>
>>> Cheers,
>>> Ralph
>>
>> Did you choose the "single-source" in simple-scan ?
>> I noticed that it defaults to "All pages From Feeder"

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