[sane-devel] Canon MF4660 test/debug

[Steve Hardy]

Ok, thanks, I'm going to take a look over the code as I'm interested in
helping out if possible & gaining some familiarity.

The list bounced the last message due to the attachement size being over the
100k limit, so I've temporarily put the USB trace at
http://www.appliedrealtime.co.uk/tmp/USBLog1_MF4660.zip

Steve

2009/1/18 Nicolas Martin <nicolas.martin at freesurf.fr>

> Thanks for the log, this will be very helpful, as I'm just figuring out
> there's something weird with the dd20 (select_source) message, the
> length is one byte too long (but it apparently used to work with the
> MF4270, MF4140 and MF4150), so I really need to review that with Dennis
> (did not discuss with him yet) before proposing a change.
>
> Will keep you posted anyway.
>
> Nicolas
>
> Le dimanche 18 janvier 2009 à 12:24 +0000, Steve Hardy a écrit :
> > Great, thanks.
> >
> > I have not had time to do any analysis yet, but I have taken a snoop
> > trace under windows as you suggested (zipped trace attached).
> >
> > One additional bit of info is that the scanner would not work under
> > windows until I power-cycled it, similar to Linux, printer said
> > "scanning mode" but the applications found it unresponsive.
> >
> > I guess this means the sane initialisation messages must be wrong, as
> > it appears the scanner ends up in a funny state after attempting to
> > use it on Linux?
> >
> > The trace attached captures the following actions
> > - Plug in the USB to the printer
> > - Press the "Scan" button on the device
> > - Open the Canon MF toolbox application to perform a scan
> > - Initiate a scan from software (not via the printer button)
> > - Scan one blank page
> > - Stop and save snoop trace
> >
> > Thanks,
> >
> > Steve
> >
> >
> >
> > 2009/1/18 Nicolas Martin <nicolas.martin at freesurf.fr>
> >         Thanks for this log, will review it with Dennis Lou, who wrote
> >         the
> >         ImageClass part of the pixma backend, and will keep you
> >         posted.
> >
> >         Seems like it is always failing on the select_source message,
> >         maybe the
> >         scanner does not expect it as is, and this may require to get
> >         a Windows
> >         snoop trace (using SnoopyPro, this is very easy to do), to
> >         check if some
> >         protocol messages are different for this MFP.
> >
> >         Nicolas
> >
> >
> >         Le dimanche 18 janvier 2009 à 09:39 +0000, Steve Hardy a
> >         écrit :
> >
> >         > Ok, so I've taken the more detailed logs :
> >         >
> >         > $ scanimage -L
> >         > device `pixma:04A926B0_4175H0007854' is a CANON Canon
> >         imageCLASS
> >         > MF4690 multi-function peripheral
> >         > $ export SANE_DEBUG_PIXMA=10
> >         > $ export SANE_DEBUG_SANEI_USB=255
> >         > $ export SANE_DEBUG=255
> >         > $ export SANE_DEBUG_PIXMA=21
> >         > $ scanimage -T  2> /tmp/sane_dbg_log_mf4660_01.txt
> >         >
> >         > As observed before, it appears that the initial writes are
> >         working
> >         > (since the scanner is getting set to "Scanning Mode"
> >         according to the
> >         > front panel display), but the reads are all timing out :
> >         >
> >         > [sanei_usb] sanei_usb_write_bulk: trying to write 10 bytes
> >         > [sanei_usb] 000 DB 20 00 00 00 00 00 00 00
> >         > 00                   . ........
> >         > [sanei_usb] sanei_usb_write_bulk: wanted 10 bytes, wrote 10
> >         bytes
> >         > [pixma] OUT  T=3.474 len=10
> >         > [pixma]  00000000:db 20 00 00 00 00 00 00  00 00
> >         > [pixma]
> >         > [sanei_usb] sanei_usb_read_bulk: trying to read 2 bytes
> >         > [sanei_usb] 000 06 06
> >             ..
> >         > [sanei_usb] sanei_usb_read_bulk: wanted 2 bytes, got 2 bytes
> >         > [pixma] IN   T=3.510 len=2
> >         > [pixma]  00000000:06 06
> >         > [pixma]
> >         > [sanei_usb] sanei_usb_write_bulk: trying to write 21 bytes
> >         > [sanei_usb] 000 DD 20 00 00 00 00 00 00 0B 00 01 00 00 00 00
> >         > 00 . ..............
> >         > [sanei_usb] 010 00 00 00 00 FF
> >              .....
> >         > [sanei_usb] sanei_usb_write_bulk: wanted 21 bytes, wrote 21
> >         bytes
> >         > [pixma] OUT  T=3.510 len=21
> >         > [pixma]  00000000:dd 20 00 00 00 00 00 00  0b 00 01 00 00 00
> >         00 00
> >         > [pixma]  00000010:00 00 00 00 ff
> >         > [pixma]
> >         > [sanei_usb] sanei_usb_read_bulk: trying to read 2 bytes
> >         > [sanei_usb] sanei_usb_read_bulk: read returned EOF
> >         > [pixma] BUG:Unmapped SANE Status code 5
> >         > [pixma] IN   T=3.513 len=-9
> >         > [pixma]   ERROR: ETIMEDOUT
> >         > [pixma]
> >
>
>


-- 
Steve Hardy

Applied Realtime Systems Limited
www.appliedrealtime.co.uk
Tel  : 0845 8678251
Fax : 0845 8678241
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