hpoj-devel

RE: [Hpoj-devel] Re: color printing in OfficeJets 300/500/600/700

[PASCHAL,DAVID (HP-Roseville,ex1) <dav...@hp...>]

> Though I didn't complain about print trouble here, I thought 
> I'd pass along
> some info regarding my officejet 600 that I'm using with a 
> redhat 6.1 system.
Hi, Joe.  Thanks for the info.  If you don't object I will include it in the
documentation for a future release.

I haven't yet gotten around to trying your advice out.  Lou Salkind was the
one who reported color printing problems on these models a while back.  Lou,
does Joe's advice fix the problems you were having?

David

Re: [Hpoj-devel] Re: color printing in OfficeJets 300/500/600/700

[<pa...@rc...>]

> I don't have any objection to it being added to the docs, but I've only been
> able to test it on this one machine. It really should be checked out by others
> before including it, as I'm not an expert in this field.
Hi, Joe.  I'll try it out on my 570 at some point before I add it, and
hopefully Lou or somebody else can try it out on a 700 series OfficeJet
and let me know if it's good there.

> I think I should clarify that I wasn't using the hpoj drivers then, only the
> standard redhat-distributed printing system (with gamma correction).
That shouldn't make a difference.  The hpoj drivers only provide I/O
functionality to access all of the services on an MFP, not just printing.
Either way, the same ghostscript drivers are responsible for rendering the
print job.

David

RE: [Hpoj-devel] Re: color printing in OfficeJets 300/500/600/700

[Salkind, L. <Lou...@de...>]

I haven't tried the new release yet, but at least under the 0.4
distribution, the gamma correction didn't work for me.  More precisely, on
an Officejet 720, I did get colors to print out, but the colors didn't
correspond to the colors in the original image.  I used the same gamma
correction as Joe.

I'll play around a bit more with this in a few days when I install the 0.6
distribution, and if I make any progress, I will report it to you.

Thanks again for all your work on this distribution.

 -----Original Message-----
From: 	PASCHAL,DAVID (HP-Roseville,ex1) [mailto:dav...@hp...] 
Sent:	Wednesday, September 13, 2000 8:30 PM
To:	hpo...@li...
Subject:	RE: [Hpoj-devel] Re: color printing in OfficeJets
300/500/600/700

> Though I didn't complain about print trouble here, I thought 
> I'd pass along
> some info regarding my officejet 600 that I'm using with a 
> redhat 6.1 system.
Hi, Joe.  Thanks for the info.  If you don't object I will include it in the
documentation for a future release.

I haven't yet gotten around to trying your advice out.  Lou Salkind was the
one who reported color printing problems on these models a while back.  Lou,
does Joe's advice fix the problems you were having?

David
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RE: [Hpoj-devel] Re: color printing in OfficeJets 300/500/600/700

[Joe P. <joe...@sn...>]

On Thu, 14 Sep 2000, Salkind, Lou wrote:
> I haven't tried the new release yet, but at least under the 0.4
> distribution, the gamma correction didn't work for me.  More precisely, on
> an Officejet 720, I did get colors to print out, but the colors didn't
> correspond to the colors in the original image.  I used the same gamma
> correction as Joe.
> 

Lou-

Sorry it didn't work. Did you take a look at the SuSe gamma page? There may be
something there that you could use. It has some info relating to incorrect
colors. I'm including it here again so you won't have to search.

http://sdb.suse.de/sdb/en/html/jsmeix_print-gammakorrektur.html

The advice there doesn't apply exactly if you're running redhat, but it
still might be useful.

Out of curiosity, which colors seem to be switched?

Did it look like the gamma correction worked?

Joe

RE: [Hpoj-devel] Re: color printing in OfficeJets 300/500/600/700

[Joe P. <joe...@sn...>]

On Wed, 13 Sep 2000, PASCHAL,DAVID (HP-Roseville,ex1) wrote:
> > Though I didn't complain about print trouble here, I thought 
> > I'd pass along
> > some info regarding my officejet 600 that I'm using with a 
> > redhat 6.1 system.
> Hi, Joe.  Thanks for the info.  If you don't object I will include it in the
> documentation for a future release.
> 
> I haven't yet gotten around to trying your advice out.  Lou Salkind was the
> one who reported color printing problems on these models a while back.  Lou,
> does Joe's advice fix the problems you were having?
> 
> David

David - 

I don't have any objection to it being added to the docs, but I've only been
able to test it on this one machine. It really should be checked out by others
before including it, as I'm not an expert in this field.

I think I should clarify that I wasn't using the hpoj drivers then, only the
standard redhat-distributed printing system (with gamma correction).

Joe