[sane-devel] Issues with backend for Pixma TR4520

[Thierry Huchard]

In order to help you more, we need to provide more information:
1 - Your distribution and its version?
2 - the version of sane installed 
        # scanimage --version

Le 20 juillet 2021 07:40:16 GMT+02:00, Thierry Huchard <thierry at ordissimo.com> a écrit :
>Hi,
>The pixma backend only supports usb.
>Your device is supported by the escl and airscan backend.
>You need to update your sane version or install airscan.
>
>Thierry
>
>Le 20 juillet 2021 05:18:55 GMT+02:00, Jack Sanders <jjacksanders at gmail.com> a écrit :
>>I'm a major beginner with networks and all of this, and the way to get this
>>scanner to function is beyond me.
>>
>>This is the error readout after attempting to add the device directly to
>>the pixma backend config file. It's the only reaction I've gotten trying to
>>connect over wifi. Without listing the device in the config file, both
>>sane-find-scanner and scanimage -L run (both run as root) show nothing.
>>Error message below:
>>
>>[bjnp] udp_command: ERROR - no data received (timeout = 5000)
>>[bjnp] bjnp_init_device_structure: Cannot read mac address, skipping this
>>scanner
>>[bjnp] udp_command: ERROR - no data received (timeout = 5000)
>>[bjnp] add_scanner: ERROR - Cannot read scanner make & model: bjnp://
>>192.168.68.110:8612/timeout=5000
>>
>>Meanwhile, when connected by usb I get this readout in response to running
>>sane-find-scanner, which lists codes that correspond to what's listed on
>>the backend supported device charts for this printer/scanner model. Can't
>>parse what the "Pipe error" bit means. Feedback message below:
>>
>>found USB scanner (vendor=0x04a9 [Canon], product=0x1854 [TR4500 series])
>>at libusb:001:005
>>could not fetch string descriptor: Pipe error
>>  # Your USB scanner was (probably) detected. It may or may not be
>>supported by
>>  # SANE. Try scanimage -L and read the backend's manpage.
>>
>>Any guidance on how to get it working would be greatly appreciated.
>>
>>Thank you!
>
>-- 
>Envoyé de mon appareil Android avec Courriel K-9 Mail. Veuillez excuser ma brièveté.
-- 
Envoyé de mon appareil Android avec Courriel K-9 Mail. Veuillez excuser ma brièveté.
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