[cups] Sending mail from a CentOS7 virtual machine to Fuji Xerox ApeosPort-IV C4475 problem revisted

[マスターズ・イアン]

> Hmm, that should be simple linux command line, input file and output file with pipes I imagine.
> e.g.,
> cat <file> | filter
> The filter then output something to the command line (standard output). If it includes the required lines, it works. If not, it has an error.

OK, that's doable ...

> OK. Well, reading a debug log and looking for filter names should not be too hard, and seeing whether a filter is in there or not is the first step.
> If it is not there, clearly MIME types or filter weights are a problem, if it is in there (but has some error) the log will say why. Presuming you could check it actually works as designed, CUPS won't tell you if the filter performed the task you expected, just that it executed.

OK, that's great. Will try this a bit later today, when I get a chance.

Thanks a lot!

ian