[sane-devel] how to configure/scan with an Epson Xp-4100 printer/scanner

[Thierry HUCHARD]

Le 2020-11-04 19:47, Thierry HUCHARD a écrit :
> Le 2020-11-04 19:07, Marco Fioretti a écrit :
>> Greetings,
>> 
>> I just received an Epson XP-4100 multifunction printer, and connected
>> it to an Ubuntu 20.04 desktop, with all updates installed, as well as
>> the packages sane and sane-utils
>> 
>> Printing works fine, scanning does not.  lsusb, scanimage and avahi
>> browse do list the scanner (see outputs below), and its web interface
>> of the scanner is reachable at http://127.0.0.1:60000/
>> 
>> However:
>> 
>> * the Epson imagescan package does not find any device.
>> 
>> * the web interface at Product Status -> Network says
>> 
>> 		Device Name :
>> 		EPSON309A2B
>> 
>> 		Connection Status :
>> 		Disable
>> 
>> and I can't find any way to enable it from there
>> 
>> * if I run scanimage I get "scanimage: sane_start: Invalid argument"
>> (see details below)
>> * skanlite sees the scanner, but cannot actually scan: it just makes
>> it click for a few minutes, during which the scanner display says
>> "Scanning the original", then aborts, just like scanimage (see its
>> output below)
>> 
>> I have configured and used lots of scanners under Linux for years
>> including shell scripts to scan lots of documents, but honestly I have
>> no idea what to do how or check next to make scanning work this
>> time... Any advice is very welcome
>> 
>> Thanks in advance,
>> Marco
>> 
>> COMMAND OUTPUTS:
>> 
>> #> lsusb...
>> Bus 001 Device 005: ID 04b8:1137 Seiko Epson Corp. XP-4100 Series
>> 
>> #> scanimage -L
>> device `escl:http://127.0.0.1:60000' is a ESCL XP-4100 Series
>> [583642553130313920] flatbed scanner
>> 
>> #> avahi-browse -rt _uscan._tcp
>> +     lo IPv4 XP-4100 Series [583642553130313920]
>> _uscan._tcp          local
>> =     lo IPv4 XP-4100 Series [583642553130313920]
>> _uscan._tcp          local
>>    hostname = [polaris.local]
>>    address = [127.0.0.1]
>>    port = [60000]
>>    txt = ["txtvers=1" "vers=2.63" "rs=eSCL" "ty=EPSON XP-4100 Series"
>> "pdl=application/pdf,image/jpeg" "cs=binary,grayscale,color"
>> "duplex=F" "adminurl=http://127.0.0.1:60000/PRESENTATION/BONJOUR"
>> "UUID=cfe92100-67c4-11d4-a45f-381a52309a2b" "note="
>> "representation=http://127.0.0.1:60000/icon.png"]
>> 
>> #> scanimage -d "escl:http://127.0.0.1:60000" -p --format=tiff
>> --mode=Color --resolution=1200dpi > gigio.tiff
>> Capability : [(null)]
>> Capability : [image/jpeg]
>> scanimage: rounded value of resolution from 1200 to 1200
>> scanimage: rounded value of br-x from 0 to 0
>> scanimage: rounded value of br-y from 0 to 0
>> scanimage: sane_start: Invalid argument
>> 
>> #> skanlite
>> "deviceOption value="
>> ("image/bmp", "image/jpeg", "image/png", "image/tiff",
>> "image/vnd.microsoft.icon", "image/vnd.wap.wbmp", "image/webp",
>> "image/x-eps", "image/x-icns", "image/x-pcx", "image/x-pic",
>> "image/x-portable-bitmap", "image/x-portable-graymap",
>> "image/x-portable-pixmap", "image/x-rgb", "image/x-tga",
>> "image/x-xbitmap", "image/x-xpixmap")
>> "escl:http://127.0.0.1:60000"
>> "escl:http://127.0.0.1:60000"
>> Capability : [(null)]
>> Capability : [image/jpeg]
>> "escl:http://127.0.0.1:60000"
>> "escl:http://127.0.0.1:60000"
>> sane_start= Invalid argument
> 
> Hi
> 
> Update your sane version, this should solve the problem:
> 
> # sudo add-apt-repository ppa:sane-project/sane-git
> # sudo apt-get update
> # sudo apt install libsane libsane-common sane-utils
> 
scanimage -d "escl:http://127.0.0.1:60000" -p --format=tiff
>> --mode=Color --resolution=1200dpi > gigio.tiff
After update, can you send me the log :
SANE_DEBUG_ESCL=255 scanimage -T 2> toto.txt
> Thierry