Re: Trouble with lpr and Brother wireless printer

On 8/2/22 00:16, Ben Hancock wrote:
> On Mon, 1 Aug 2022 07:50:19 -0000 (UTC)
> Stuart Henderson <stu.lists@spacehopper.org> wrote:
>> On 2022-07-31, John Mettraux <jmettraux@gmail.com> wrote:
>>> Brother MFC-L3770CDW wireless here.
>>>
>>> My /etc/printcap goes:
>>>
>>> lp:\
>>> sd=/var/spool/lpd:lp=:rm=192.168.xxx.xxx:rp=BINARY_P1
>>>
>>> Maybe it will help.
>> Also try POSTSCRIPT_P1, my MFC-J4335DW shows that as a possibility
>> in Network > Network > Service. (I use it with CUPS though, so I can
>> control quality/duplexing/etc).
> Thanks for all the helpful suggestions. I took some time to explore the
> web interface for my printer (a Brother HL-L2350DW, for those following
> along at home) and discovered the BINARY_P1, POSTSCRIPT_P1, PCL_P1, and
> TEXT_P1 services available. But thus far, none of them have worked for
> me -- with or without passing the data through a filter, as suggested
> earlier in the thread.
>
> I did make some changes to my printcap that seemed to take me in the
> direction of progress, notably to stop passing the printer host to the
> `rm` option and instead try passing port@host to the `lp` option. (I
> also added an /etc/hosts entry for ease). I did this after noticing that
> POSTSCRIPT_P1 and the other services were listed as being available on
> port 9100. So here's one test case:
>
> pstest:\
> :lp=9100@brother.sannomo.home:\
> :rp=POSTSCRIPT_P1:\
> :sd=/var/spool/output/lpd:\
> :lf=/var/log/lpd-errs:\
> :mx#0:
> :sh:
>
> But no dice. When invoking `lpr filename.ps`, I consistently get a
> single blank page spit out from the printer and that's it. It's more
> than, well, nothing ... but it's unfortunately not printing. I also
> tried just sending a text file to the printer directly with nc(1); it
> showed "Receiving Data" on the printer LCD, but nothing more.
> Strangely (maybe?) I had to Ctrl-C out of netcat as doing ...
>
> $ nc brother.sannomo.home 9100 < test.txt
>
> ... just hung there.
>
> FWIW, I do know that the printer _works_, as I can print from machines
> running other OS'es via the usual ways. I don't seem to be the only one
> banging my face into a wall with this. I found an old thread on
> DaemonForums describing an issue with similar symptoms that was, it
> seems, ultimately unresolved:
>
> http://daemonforums.org/showthread.php?t=7253
>
> Something I haven't tried -- thought I don't know if it will make a
> difference -- is connecting to the printer via WiFi Direct. This
> doesn't seem to be a connection issue though. I'm on the verge of just
> trying CUPS, although it seems to be much bemoaned.
>
> Thanks again.
>
> - Ben
>
Are you sure that you're feeding the printer a valid postscript file?
If there isn't something like
(TimesRoman) findfont 48 scalefont setfont 200 300 moveto (text) show
showpage
nothing happens.
geoff steckel