[sane-devel] How can I help with Canon Maxify MB2000 series testing?

Patrick Roncagliolo ronca.pat at gmail.com
Sun Feb 4 12:14:37 UTC 2018


Oh I see, thank you so much. I'll give you USB logfiles ASAP.

Il dom 4 feb 2018, 13:10 Rolf Bensch <rolf at bensch-online.de> ha scritto:

> Hi Patrick,
>
> Here you can find further infos:
> https://wiki.wireshark.org/CaptureSetup/USB
>
> You need to connect your scanner via USB and disconnect Ethernet|WiFi.
>
> Hope this helps.
>
> Cheers,
> Rolf
>
>
> Am 04.02.2018 um 12:50 schrieb Patrick Roncagliolo:
> > Hi Rolf,
> >
> > Can you point to a short guide for getting proper USB logfiles?
> >
> > Meanwhile, I noticed that wireshark do not have full support for BJNP. I
> > browsed SANE and CUPS sources, and the BJNP dissector, and maybe in my
> > spare time I'd like to improve the dissector. If you have any unofficial
> > doc or article/analysis about BJNP outside what's already in C sources,
> > I'd like to get some links.
> >
> >
> > Il dom 4 feb 2018, 12:44 Rolf Bensch <rolf at bensch-online.de
> > <mailto:rolf at bensch-online.de>> ha scritto:
> >
> >     Hi Patrick,
> >
> >     It seems that we have a general problem with ADF scanning from all
> >     Maxify scanners.
> >
> >     If possible, please provide USB logfiles from a Windows machine
> scanning
> >     from ADF and duplex ADF, one page and two pages, using Wireshark.
> Then I
> >     can try to fix this.
> >
> >     In the meantime I'll update the doc files.
> >
> >     Many thanks for your help.
> >
> >     Cheers,
> >     Rolf
> >
> >     Am 28.01.2018 um 15:26 schrieb Patrick Roncagliolo:
> >     > Hi Rolf,
> >     >
> >     > I tested scanimage with different options today. In particular, I
> >     tested
> >     > all the combinations of connection/resolution/color available with
> >     > flatbed mode:
> >     >
> >     >  --Connection: usb/net
> >     >  --Resolution: 75/150/300/600/1200
> >     >  --Color: color/gray/lineart
> >     >
> >     > ...for a total of 30 tests. I can confirm that all the combinations
> >     > work, I have a folder with all the scans and a script, so I can
> >     > replicate the operation while collecting debug info by
> >     > setting SANE_DEBUG_PIXMA if necessary, and share all the results
> >     > somewhere (eg. Google Drive).
> >     >
> >     > But ADF _do not_ work for me using scanimage or scanadf. Here's a
> >     sample
> >     > output (SANE_DEBUG_PIXMA=3 PIXMA_EXPERIMENT=1):
> >     >
> >     > [pixma] pixma is compiled with pthread support.
> >     > [pixma] pixma version 0.17.45
> >     > [pixma] pixma_collect_devices() found Canon MAXIFY MB2300 Series at
> >     > libusb:003:005
> >     > [pixma] Scanner model found: Name MB2300(Canon MAXIFY MB2300
> Series)
> >     > matches MB2300 series
> >     > [pixma] pixma_collect_devices() found Canon MAXIFY MB2300 Series at
> >     > bjnp://192.168.1.5:8612/timeout=1000
> >     <http://192.168.1.5:8612/timeout=1000>
> >     <http://192.168.1.5:8612/timeout=1000>
> >     > [pixma] pixma_open(): Canon MAXIFY MB2300 Series
> >     > [pixma] *mp150_open***** This is a generation 5 scanner.  *****
> >     > [pixma] Reader task started
> >     > [pixma]
> >     > [pixma] [pixma] Reader task id=139915254597376 (threaded)
> >     > scanimage: scanning image of size 638x1050 pixels at 24 bits/pixel
> >     > scanimage: acquiring RGB frame
> >     > pixma_scan(): start
> >     > [pixma]   line_size=1914 image_size=2009700 channels=3 depth=8
> >     > [pixma]   dpi=75x75 offset=(0,0) dimension=638x1050
> >     > [pixma]   gamma_table=0x704fc8 source=1
> >     > [pixma]   threshold=127 threshold_curve=0
> >     > [pixma]   adf-wait=0
> >     > [pixma]   ADF page count: 0
> >     > [pixma] WARNING:send_time() disabled!
> >     > [pixma] Current status: paper=0 cal=0 lamp=0 busy=0
> >     > [pixma] pixma_scan() failed ECANCELED
> >     > [pixma] read_image():reader task closed the pipe:0 bytes received,
> >     > 2009700 bytes expected
> >     > [pixma] Reader task terminated: ECANCELED
> >     > scanimage: min/max graylevel value = 255/0
> >     > scanimage: sane_read: Operation was cancelled
> >     > [pixma] pixma_close(): Canon MAXIFY MB2300 Series
> >     >
> >     > Seems that pages in the ADF are not recognised: see "ADF page
> >     count=0".
> >     >
> >     >
> >     > Il giorno sab 27 gen 2018 alle ore 18:05 Rolf Bensch
> >     > <rolf at bensch-online.de <mailto:rolf at bensch-online.de>
> >     <mailto:rolf at bensch-online.de <mailto:rolf at bensch-online.de>>> ha
> >     scritto:
> >     >
> >     >     Hi Patrick,
> >     >
> >     >     Please scan all scan options (color, grayscale, lineart,
> 75...600
> >     >     dpi) from flatbed.
> >     >
> >     >     Then test the document feeder with your preferred settings
> >     (e.g. A4,
> >     >     300 dpi) and the whole sheet size. With a single sheet and
> >     multiple
> >     >     sheets. At least test duplex scanning from ADF, single sheet
> and
> >     >     multiple sheets.
> >     >
> >     >     I'm getting the best ADF scan results with gscan2pdf (I really
> >     never
> >     >     got best results using scanimage or xsane). For scanning single
> >     >     sheets from flatbed or ADF (one side only) you can use your
> >     favorite
> >     >     frontend, e.g. xsane.
> >     >
> >     >     If you might have problems, please test also connected with
> >     USB only.
> >     >
> >     >     Many thanks for report.
> >     >
> >     >     Cheers,
> >     >     Rolf
> >     >
> >     >
> >     >     Am 26.01.2018 um 00:33 schrieb Patrick Roncagliolo:
> >     >>     I forgot to specify that obviously SANE driver worked and
> allowed
> >     >>     me to do some scans with Xsane and ScanImage.
> >     >>     My reference to ScanGearMP is simply for completeness, but
> does
> >     >>     not relate with the main point of my previous mail.
> >     >>
> >     >>     So, rephrasing:  "I can say LibSane works with MB2350 via LAN
> >     >>     connection".
> >     >>
> >     >>     Il giorno ven 26 gen 2018 alle ore 00:27 Patrick Roncagliolo
> >     >>     <ronca.pat at gmail.com <mailto:ronca.pat at gmail.com>
> >     <mailto:ronca.pat at gmail.com <mailto:ronca.pat at gmail.com>>> ha
> scritto:
> >     >>
> >     >>         Hello,
> >     >>         I saw testers are needed for this series of scanners.
> >     >>
> >     >>         I have a Canon Maxify MB2350 scanner, connected through
> LAN.
> >     >>         I can detect the scanner from Canon ScanGearMP 3.40 from
> >     >>         Ubuntu Linux 16.04.
> >     >>         I added "bjnp://192.168.1.5 <http://192.168.1.5>
> >     <http://192.168.1.5>" to my
> >     >>         pixma.conf file, where 192.168.1.5 is my scanner IP
> address.
> >     >>         LibSane is taken from the daily git snapshots from
> >     >>         RolfBensch's PPA (now: 1.0.27+git20180122).
> >     >>
> >     >>         _I can say it works._ But I hope to help more if I can.
> >     So: is
> >     >>         there a way to do something useful other than scanning a
> >     >>         random sheet of paper? Do you have standard tests or data
> >     >>         collection procedure that could help you to improve
> >     support or
> >     >>         verify that all is working great? Do you need some packet
> >     >>         sniffing or something like that?
> >     >>
> >     >>         Best regards,
> >     >>         Patrick Roncagliolo
> >     >>
> >     >
> >
>
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