[cups.general] usb-parallelport adapter: Discarding unusedprinter-state-changedevent...

[Helge Blischke]

ekkard gerlach wrote:
> ekkard gerlach schrieb:
> 
>> BTW: a primitiv backend
>>    #!/bin/sh
>>    cat - > /dev/usb/lp0
>> may be a solution, okay.
> 
> 
> "may be", unfortunately it's NOT! CUPS purges ANY jobs to a 
> self-implemented backend if:
>    * the job goes to another host
>    * -o raw is used
>    * the job is not postscritpt.
> In other words: if my own backend should work, the job file must be 
> postscript and the backend must be located on local machine and -o raw 
> must not be used. See thread "no data arrives to /usr/lib/cups/myBackend 
> (0 bytes)"!   I n c r e d i b l e !
> 
> Ekkard

You should tell a little bit more about your CUPS configuration -
which version, the printer type, tue printer's PPD, etc, etc.

I did a couple of home gronw backends during the recent years,
ranging vom CUPS 1.1.7 to 1.3.5, and never had weird problems like
yours.

Helge


-- 
Helge Blischke
Softwareentwicklung

H.Blischke at acm.org