What's the easiest way to force duplex on a networked HP 4000 or 8000
printer?  Looking through the docs, the answer seems to be "depends on
printer model; ask on the mailing list", and I haven't seen this mentioned
recently in the archives.

I want to force duplex, even if the user specifies simplex.  There'll be a
simplex-only queue, too, but I'm hoping I can just do s/duplex/simplex/
once I have duplex working.

ifhp supports all of the printer models that we use, so a mechanism that
tells ifhp "always print duplex" seems simplest.  I had high hopes for the
-Zduplex option, but either it doesn't work or I'm doing something wrong.

I have the following printcap file, and it works, but it only prints
duplex when the client specifies it:

.duplexcommon:
        :sd=/var/spool/lpd/lprng/%P
        :af=/var/spool/lpd/lprng/%P.log
        :create_files=TRUE
        :ar=TRUE
        :mx=0
        :lpd_bounce
        :filter=/usr/local/libexec/filters/ifhp -Z duplex

test-waldec:client:[EMAIL PROTECTED]

test-waldec:
        :server
        :lp=waldec.cc.cmu.edu%9100
        :ifhp=model=hp4000
        :tc=.duplexcommon


Advice, tips, suggestions?

Willie Beegle
Computing Services
Carnegie Mellon University


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