Re: RE: [Hpoj-devel] Test report

[Rainer D. <rd...@we...>]

"PASCHAL,DAVID (HP-Roseville,ex1)" <dav...@hp...> schrieb am 06.09.00:

> > 3) Dynamic library issue: 
> > 
> > Since ptal-connect is linked against a non-system library I created a
> > wrapper script ptal-print (this is not necessary any more as soon
> > as hpoj is converted into a standard Debian/RedHat or whatever
> > package or the dynamic library is install in /usr/lib.
> The next version (0.6) will have a "make install" feature that installs
> everything under /usr/local, which can be overridden by passing
> "--prefix=DIR" to the configure script.  You will still have to make sure
> /usr/local/lib is specified in ld.so.conf and re-run ldconfig, or add the
> directory to LD_LIBRARY_PATH.  Will this installation method be acceptable?

Well, the point is, that it is not sufficient that you change your LD_LIBRARY_PATH, but the LD_LIBRARY_PATH of the printer daemon. As soon as the distributions pick up hpoj, the problem is gone, because then the ptal library will be in /usr/lib. But before, at least I personally prefer the wrapper script, because it is a local change and deinstalling/upgrading hpoj means simply removing the old directory.

> 
> > 4) Color printing
> > 
> > So far color printing was not successful. But I have to check first if
> > this is a printer hardware problem (ink empty...). But anyways, if
> > somebody has an already written description how to do this, it would
> > be welcome (basically I expect that I have to specify another
> > OutputDevice in gs).
> I have heard (but not yet verified) that ghostscript has problems with color
> printing on the 500/600/700 series OfficeJets.

Embarassing... I wanted to install the windows driver to check if it works under windows, but I can't find the driver disks any more. And the driver I downloaded from HP's web site does not install (although I am not a windows expert). So at least on my machine, hpoj support under linux was much easier and is currently much better!

> 
> > 5) Scanning
> > 
> > No success either:
> Last night I finally finished my SANE changes to support scanning on the
> flatbed OfficeJets, and I submitted them to one of the official SANE
> developers for review and checkin to their codebase.  Once that's done
> (hopefully this weekend) I'll put out hpoj-0.6 to enable it.
> 
> Scanning support for the scrollfed OfficeJets (such as the 635) will not be
> included in this release, but it's next on my to-do list.  Hang in there.
> :-)
> 
> > # /opt/hpoj-0.5/ptal/ptal-connect mlc:mlcpp0 -scan
> > ptalMlcChannelOpen(chan=0x0804A668): error connecting socket!
> > ptalChannelOpen(chan=0x0804A668): provider failed open!
> "ptal-connect -scan" doesn't actually initiate a scan.  It just connects to
> the scan data channel on the peripheral.  However, some OfficeJet models
> don't allow you to do this unless you've already issued the right PML
> commands to initiate the scan, so that's probably why you got this error
> message.

Good to know. So I postphone scaning until hpoj 0.7.

> 
> > 6) Other vendors
> > 
> > I want to purchase a all-in-one-device. The only real 
> > requirement is cost less than 500 Euro and good linux support 
> > (print, scan, copy). Does anybody know, if other vendors 
> > provide better linux support than HP does?
> Not that I know of.
> 
> Since you mentioned you were looking for good Linux support for copying,
> could you clarify what exactly you're looking for here?  The 500/600/700
> series OfficeJets sometimes need help from the PC to copy a page
> (particularly when copying in color), in which case "copy" really means
> "scan and then print".  The more recent models have pretty good standalone
> copy capabilities.
> 

I was looking for color copies, which currently requires a windows machine (with a working driver) for a 635.

Thanks a lot.

Rainer.
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