Re: [9fans] printing fom plan9 to OKI5900dn

["Russ Cox" <rsc@swtch.com>]

> I have spent some time trying to figure out the working configuration for
> being able to print on a network (postscript) printer oki5900dn.
> I know its IP address.
>
> But I haven't succeeded so far.
>
> I prepared a PS file, say a.ps.
> I removed the '!' letter from rc/bin/service/!tcp515, so now I
> have rc/bin/service/tcp515.
> I added a line to /sys/lib/lp/devices like this:
> oki next_door localhost tcp!192.113.32.182!9100 81920 post+duplex ...

If there is some machine that is already
in charge of spooling to the printer, you
would be better off handing the job to
that machine instead of connecting directly
to the printer, since many printers don't handle
multiple connections on 9100 particularly
gracefully.  To hand the job to another machine
via the fairly standard LPD protocol, see the
"vogon" line in /sys/lib/lp/devices for an
example.

If you are going to set up your own machine
as the one in charge of the printer (as you have tried),
you have to use a resolvable address where you put
"localhost".  On Plan 9, "localhost" is not a
known name--it doesn't make sense in config
files, which are usually shared across many
machines--and by default there is no network
devices for 127.0.0.1.

You can add an entry for your machine to
/lib/ndb/local and then use your machine's name
in the /sys/lib/lp/devices line.

Russ