Anton Alin-Adrian aanton at
Mon Dec 22 09:00:24 PST 2003

Luke Kearney wrote:

> Hello,
> I am having a troublesome time with CUPS and printing to an Epson
> PM-740DU inkjet printer. I have set up cups and it works to a degree. I
> can print test pages like there is no tomorrow but I cannot print from
> desktop applications let alone from any of the networked machines via
> samba. The client machines can browse and add the printer but they
> cannot print to it. I am using a fairly generic PPD for the printer as I
> could not find one for BSD in the ports and didn't
> offer much joy. I understand that the printer is roughly equivalent to
> the Stylus Photo 780 ( max dpi 2880x720 , 6 colours ).
> When trying to print a txt file from the cmd line I get
> lpr: lp: unknown printer 
> /etc/printcap shows
> tamachi: $ cat /etc/printcap
> # This file was automatically generated by cupsd(8) from the
> # /usr/local/etc/cups/printers.conf file.  All changes to this file
> # will be lost.
> # written for pips780
> pm780c|EPSON PM780C:\
>        :sd=/var/spool/lpd/pm780c:\
>        :mx#0:\
>        :sh:\
>        :lp=/dev/ulpt0:\
>        :if=/usr/local/libexec/pips780/filter780.rev:\
>        :lf=/var/log/lpd-errs:
> # pips780  end
> actually having installed the pips780 file from ports I ran the setup
> script to get this into printcap. If I modify the printer via the CUPS
> interface it scraps all of the above and replaces it with one line which
> is the name I gave the printer in the setup.
> Appreciate any tips or links to howtos that are similar to my situation
> here.
> Regards
You did rename your /usr/bin/lpr with /usr/bin/lrp.old and set the path 
to /usr/local/bin/ *before* /usr/sbin in your .profile (if you are using 
bash shell), didn't you? (other shells use different files for 
configuring the $PATH variable).Cups installs new lp* files in 
/usr/local/ , you have to use those instead of the system-provided ones, 
in order to have your printer work.. Otherwise all the other programs 
will try to use the system-provided files, which are not cups, and which 
are not even configured for any printer usage, by default.

CUPS is excellent. Also do modify your /usr/local/etc/cups/ppd/*.ppd 
file to make sure your default printing resolution is set to maximum.

Check this article:

This one is even better:


  mv /usr/bin/lp /usr/bin/lp.bak
  mv /usr/bin/lpr /usr/bin/lpr.bak
  mv /usr/bin/lprm /usr/bin/lprm.bak
  mv /usr/bin/lpq /usr/bin/lpq.bak



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