CUPS server error

[Michael Sweet]

There is no way to hide the USB devices reported by the standard USB backend.

On Jul 30, 2010, at 10:20 PM, kavin wrote:

> Hi,
> 
>  Thanks to you the problem resolved.I changed the URI CustomUSB://Cannon%20Image%20Runner/CutomCannonJ094400288". Now the job going to the printer properly.There after i have some issue.The usblp driver detects my printer again with following uri usb://Cannon%20Image%20Runner/CutomCannonJ094400288" even i installed the same printer with uri CustomUSB://Cannon%20Image%20Runner/CutomCannonJ094400288".For that i stopped the usblp driver there after i stopped the other usb printer. How do we resolve this one.
> 
> Regards
> 
> 
> 
>> OK, did some checking and URI schemes cannot contain the underscore in =
>> the name; RFC 3986 specifies that schemes start with a letter and are =
>> followed by letters, numbers, "+", "-", or ".".
>> 
>> Since the backend name is the scheme name for CUPS device URIs, you need =
>> to rename the backend to something like "custom-usb" or (better) =
>> "vendorname-usb" or "seriesname-usb" where "vendorname" is your company =
>> name and "seriesname" is the series of printers you are supporting, e.g. =
>> "imagerunner-usb"...
>> 
>> On Jul 29, 2010, at 9:15 PM, kavin wrote:
>> 
>>> =20
>>> Hi,
>>>      in /var/log/error_log i found bad uri =
>> "custom_usb://Cannon%20Image%20Runner/CutomCannonJ094400288"
>>> =20
>>> i am using fedroa 11 and cups version 1.4.0
>>> =20
>>> regards
>>> =20
>>> =20
>>> =20
>>>> What are you seeing in the /var/log/cups/error_log file?
>>>> =20
>>>> What version of CUPS are you using?
>>>> =20
>>>> What operating system are you using?
>>>> =20
>>>> On Jul 29, 2010, at 2:02 AM, kavin wrote:
>>>> =20
>>>>> Hi,
>>>>> =3D20
>>>>>  I developed new customized USB Backend, and i used following uri =
>> to =3D
>>>> that printer =3D
>>>> "custom_usb://Cannon%20Image%20Runner/CutomCannonJ094400288".When i =
>> am =3D
>>>> adding this backend it shows " CUPS Server Error There was an error =3D=
>> 
>>>> during the CUPS operation: 'client-error-not-possible'.". How do we =3D=
>> 
>>>> resolve this one.
>>>>> =3D20
>>>>> Regards
>>>>> =3D20
>>>>> _______________________________________________
>>>>> cups-ddk mailing list
>>>>> cups-ddk at easysw.com
>>>>> http://lists.easysw.com/mailman/listinfo/cups-ddk
>>>> =20
>>>> =
>> ________________________________________________________________________
>>>> Michael Sweet, Senior Printing System Engineer, PWG Chair
>>>> =20
>>>> =20
>>>> =20
>>>> =20
>>> =20
>>> _______________________________________________
>>> cups-ddk mailing list
>>> cups-ddk at easysw.com
>>> http://lists.easysw.com/mailman/listinfo/cups-ddk
>> 
>> ________________________________________________________________________
>> Michael Sweet, Senior Printing System Engineer, PWG Chair
>> 
>> 
>> 
>> 
> 
> _______________________________________________
> cups-ddk mailing list
> cups-ddk at easysw.com
> http://lists.easysw.com/mailman/listinfo/cups-ddk

________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair