[sane-devel] Canon Pixma MX435 Detection

[Nick Elliott]

On Friday 31 Aug 2012 12:35:46 Gernot Hassenpflug wrote:

Hello Gernot,

Thanks for helping on this.

> On Fri, Aug 31, 2012 at 4:06 AM, Nicholas Elliott <nick at nick-elliott.net>
> wrote:
> 
> Hello Nicholas,
> 
> > I've installed xsane and the latest sane-backends:
> > scanimage -V
> > scanimage (sane-backends) 1.0.24git; backend version 1.0.22
> > 
> > sane-find-scanner finds the scanner:
> > found USB scanner (vendor=0x04a9 [Canon], product=0x175b [MX430 series])
> > at
> > libusb:001:002
> > 
> > scanimage -L does not find the scanner
> > No scanners were identified. If you were expecting something different,
> > check that the scanner is plugged in, turned on and detected by the
> > sane-find-scanner tool (if appropriate). Please read the documentation
> > which came with this software (README, FAQ, manpages).
> 
> Does the scanner get detected (and can you scan) if it is connected
> not by wireless, but via a physical USB cable?
> 

If connected via USB I can't scan but if I run lsusb the PC sees it as a 
device.
 
> > If I run scanimage in debug it finds my wireless network scanner but at
> > the
> > end of its detection process it reports that no devices were found:
> > [sanei_debug] Setting debug level of pixma to 11.
> > [pixma] pixma is compiled with pthread support.
> > [pixma] pixma version 0.16.2
> > [pixma] sanei_bjnp_find_devices:
> > [pixma] Adding configured scanner: bjnp://192.168.1.76
> > [pixma] bjnp_allocate_device(bjnp://192.168.1.76)[pixma] udp_command:
> > Sending UDP command to 192.168.1.76:8612
> > [pixma] Scanner identity string = MFG:Canon;CMD:MultiPass
> > 2.1,IVEC;MDL:MX430 series;CLS:IMAGE;DES:Canon MX430
> > series;SOJ:BJNP2,BJNPe;~
> > [pixma] Scanner model = Canon MX430 series
> > [pixma] Added all configured scanners, now do auto detection...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] eth1 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is IPv4 capable, sending broadcast..
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] eth1 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is IPv4 capable, sending broadcast..
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] eth1 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is IPv4 capable, sending broadcast..
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] eth1 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is IPv4 capable, sending broadcast..
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] eth1 is not a valid IPv4 interface, skipping...
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is IPv4 capable, sending broadcast..
> > [pixma] lo is not a valid IPv4 interface, skipping...
> > [pixma] eth0 is not a valid IPv4 interface, skipping...
> > [pixma] scanner discovery finished...
> > [pixma] pixma_find_scanners() found 0 devices
> > 
> > So, did it actually find my wireless network scanner and, if so, why does
> > it tell me that no devices were found?
> > 
> > Is there something else I need to do or that you would like me to try?
> > 
> > FYI Wireless scanning with Canon ScanGearMP works.
> 
> I would first try USB cable connection and see if the scanner can be
> properly initialized by the driver (the SANE pixma backend), and
> whether the capabilities (up to max resolution) are all supported. If
> not, we should work on the driver code a bit more.
> If the driver is shown to be working, capability-wise, then debugging
> the wireless connection would be a separate task.
> 

Yes, I can see that first we need to prove the scanner using a USB connection 
and once that is working then see if it will work using wireless. Please let 
me know how I can help with the testing.

> Regards,
> Gernot Hassenpflug

Regards
Nick Elliott