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Old 07-30-2010, 09:20 AM
Lisi
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Friday 30 July 2010 10:09:14 Harishankar wrote:
> I appreciate HP products, but I feel these issues are not particularly on
> the top of your mind while shopping for a printer.

Perhaps they should be! They are certainly at the top of my mind when I buy
_any_ hardware that I intend to use with Linux. And printers and scanners
are so easy to check.

And I do the research myself - it is no good asking salesmen. "yer what?" is
the commonest response.

Lisi


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Old 07-30-2010, 10:06 AM
Camaleón
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Fri, 30 Jul 2010 09:06:48 +0000, Harishankar wrote:

>> Ask them for that. They will tell you whether tecnically possible or
>> just a market strategy.
>
> Actually the HPIJS driver for this device has the setting:
>
> Resolution, Quality, Ink Type, Media Type: 300dpi color black + color
> cartridge
>
> But it is obviously ignored.

Then, care to fill a bug at HPLIP site?

If the option is there (you said *it was not*) it should work. If not,
you can report it.

Choose a PDF file of your choice (with high levels of black) and print
out a sample page from windows and then print the same page with linux.

In both cases, select "color+black" from driver settings and then scan
both pages to send it out to HPLIP devels.

They will tell >:-)

Greetings,

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Old 07-30-2010, 10:17 AM
Harishankar
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Fri, 30 Jul 2010 10:06:49 +0000, Camaleón wrote:

> Then, care to fill a bug at HPLIP site?
>
> If the option is there (you said *it was not*) it should work. If not,
> you can report it.
>
> Choose a PDF file of your choice (with high levels of black) and print
> out a sample page from windows and then print the same page with linux.
>
> In both cases, select "color+black" from driver settings and then scan
> both pages to send it out to HPLIP devels.
>
> They will tell >:-)
>
> Greetings,
>
> --
> Camaleón

The bug was filed - I think I mentioned it in my first post. The status
on the issue has been the same for years.

The ACTUAL option was not available in the newer hpcups driver, but it is
available in the older hpijs driver, but the result is the same. :-(

That's why I haven't filed a bug. HPLIP developers haven't cared for it
for years (?) Never read an official response.


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Old 07-30-2010, 10:19 AM
Harishankar
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Fri, 30 Jul 2010 10:20:47 +0100, Lisi wrote:

> On Friday 30 July 2010 10:09:14 Harishankar wrote:
>> I appreciate HP products, but I feel these issues are not particularly
>> on the top of your mind while shopping for a printer.
>
> Perhaps they should be! They are certainly at the top of my mind when I
> buy _any_ hardware that I intend to use with Linux. And printers and
> scanners are so easy to check.
>
> And I do the research myself - it is no good asking salesmen. "yer
> what?" is the commonest response.
>
> Lisi

To be honest it was so long ago that I don't remember at all what was the
thought process. I wasn't probably even aware that the cartridge
selection and usage would be a problem on a colour printer. It's easy to
be wise after the fact, but back then it never struck my mind.

All I knew was the printer was supported in Linux. The actual levels of
support has not occurred to me.



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Old 07-30-2010, 10:25 AM
Klistvud
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

Dne, 30. 07. 2010 11:20:47 je Lisi napisal(a):


And I do the research myself - it is no good asking salesmen. "yer
what?" is

the commonest response.



You may consider yourself lucky. Here in Slovenia, "try check the
personal care department!" is their commonest response. Linex happens
to be a much advertised brand of adult diapers.


Hmm, this is becoming slightly offtopic ...
--
Regards,

Klistvud
Certifiable Loonix User #481801
http://bufferoverflow.tiddlyspot.com


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Old 07-30-2010, 10:35 AM
Camaleón
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Fri, 30 Jul 2010 10:17:23 +0000, Harishankar wrote:

> On Fri, 30 Jul 2010 10:06:49 +0000, Camaleón wrote:
>
>> Then, care to fill a bug at HPLIP site?
>>
>> If the option is there (you said *it was not*) it should work. If not,
>> you can report it.

(...)
>
> The bug was filed - I think I mentioned it in my first post. The status
> on the issue has been the same for years.

Mmm... it is not clear to me -from the bug you pointed- what driver
options was using the reporter ("hplip" or "hpijs").

> The ACTUAL option was not available in the newer hpcups driver, but it
> is available in the older hpijs driver, but the result is the same. :-(

That is a different bug you should report (meaning: hpjis has the
possibility to select using black cartridge -which fails- and hlpip does
not). It's a missing feature.

> That's why I haven't filed a bug. HPLIP developers haven't cared for it
> for years (?) Never read an official response.

If you leave it and don't insist, they won't do anything :-(

Greetings,

--
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Old 07-30-2010, 10:42 AM
Harishankar
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Fri, 30 Jul 2010 10:35:29 +0000, Camaleón wrote:

> If you leave it and don't insist, they won't do anything :-(
>
> Greetings,
>
> --
> Camaleón

I have to create a launchpad account to report the bug? Nevertheless I
suppose I might have to add my voice.

Problem is it appears hpijs has been deprecated in favour of hpcups and
now I am wondering whether the printout quality was an intentional
omission. With the HPCUPs driver I cannot even select the DPI
resolution :-(



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Old 07-30-2010, 11:02 AM
Camaleón
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Fri, 30 Jul 2010 10:42:52 +0000, Harishankar wrote:

> On Fri, 30 Jul 2010 10:35:29 +0000, Camaleón wrote:
>
>> If you leave it and don't insist, they won't do anything :-(
>>
>
> I have to create a launchpad account to report the bug? Nevertheless I
> suppose I might have to add my voice.

I'm afraid yes because HPLIP uses launchpad to handle support questions
and bug reports.

> Problem is it appears hpijs has been deprecated in favour of hpcups and
> now I am wondering whether the printout quality was an intentional
> omission. With the HPCUPs driver I cannot even select the DPI resolution
> :-(

Well, HPLIP usually provide more options than the old HPIJS, but indeed,
losing feataures (even they do not work) should be avoided :-)

As per HPLIP resolutions, if you examine the PPD file, you get:

***
*OutputMode NormalRGB/Normal Color: "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep 1/OutputType(0)/cupsString0(PlainNormalColor)/HWResolution[600 600]>>setpagedevice"
*OutputMode NormalGray/Normal Grayscale: "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep 2/OutputType(0)/cupsString0(PlainNormalGrayK)/HWResolution[600 600]>>setpagedevice"
*OutputMode DraftRGB/Draft Color: "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep 0/OutputType(-1)/cupsString0(PlainDraftColor)/HWResolution[300 300]>>setpagedevice"
*OutputMode DraftGray/Draft Grayscale: "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep 2/OutputType(-1)/cupsString0(PlainDraftGrayK)/HWResolution[300 300]>>setpagedevice"
*OutputMode Photo/High-Resolution Photo: "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep 0/OutputType(2)/cupsString0(PhotoBestPhotoColor)/HWResolution[600 600]>>setpagedevice"
***

So, 300ppp/600ppp are "hidden" but are there.

Greetings,

--
Camaleón


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Old 07-30-2010, 11:11 AM
Harishankar
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Fri, 30 Jul 2010 11:02:04 +0000, Camaleón wrote:

> Well, HPLIP usually provide more options than the old HPIJS, but indeed,
> losing feataures (even they do not work) should be avoided :-)

I was wondering the same - why the hpcups interface is so bare compared
to the old hpijs printer driver.

>
> As per HPLIP resolutions, if you examine the PPD file, you get:
>
> ***
> *OutputMode NormalRGB/Normal Color: "<</cupsColorSpace
> 1/cupsBitsPerColor 8/cupsRowStep
> 1/OutputType(0)/cupsString0(PlainNormalColor)/HWResolution[600
> 600]>>setpagedevice" *OutputMode NormalGray/Normal Grayscale:
> "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep
> 2/OutputType(0)/cupsString0(PlainNormalGrayK)/HWResolution[600
> 600]>>setpagedevice" *OutputMode DraftRGB/Draft Color:
> "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep
> 0/OutputType(-1)/cupsString0(PlainDraftColor)/HWResolution[300
> 300]>>setpagedevice" *OutputMode DraftGray/Draft Grayscale:
> "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep
> 2/OutputType(-1)/cupsString0(PlainDraftGrayK)/HWResolution[300
> 300]>>setpagedevice" *OutputMode Photo/High-Resolution Photo:
> "<</cupsColorSpace 1/cupsBitsPerColor 8/cupsRowStep
> 0/OutputType(2)/cupsString0(PhotoBestPhotoColor)/HWResolution[600
> 600]>>setpagedevice" ***
>
> So, 300ppp/600ppp are "hidden" but are there.
>
> Greetings,
>
> --
> Camaleón

This is interesting to note. Apparently the web interface for CUPS is not
exposing the settings. But even the hplip-gui tools don't seem to have
the settings necessary to control printout quality and ink-type.

I think this implies that the hpcups driver is more intelligent than the
old hpijs one and should automatically detect the type of ink to be used,
but it hasn't worked so far with my printer.

SO far I haven't read any threads dealing with the hpcups driver. Most of
the online discussions on this issue are centered around the old driver
interface.

--
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Old 08-01-2010, 06:18 AM
Harishankar
 
Default HP PSC 1315 printer and hplip/hpcups printer cartridge mode issue

On Tue, 27 Jul 2010 05:29:45 +0000, Harishankar wrote:

> I'm using HPLIP /CUPS with the hpcups driver to print using my hp psc
> 1315 printer.
>
> Has anybody had the issue that during a print job it is impossible to
> ask the printer to use both the B&W and colour cartridge at the same
> time? I mean, if you select Normal Color it prints even black text using
> the colour cartridge (giving a non-sharp brownish grey effect) and when
> I select Normal Greyscale it is impossible to print in colour?
>
> I had the same problem using HPIJS drivers as well but the HPCUPS
> haven't solved the problem either?
>
> Has anybody ever successfully printed a multi-coloured document with
> both the B&W and colour cartridge used where black is printed using the
> B&W cartridge and other colours printed using the colour cartridge like
> in Windows?
>
> This seems closely related to this bug report:
> https://bugs.launchpad.net/debian/+sour ... bug/235399
>
> Seems nobody at HP have resolved the issue related to Linux printing or
> am I doing something wrong?
>
>
>
> --
> Harishankar (http://harishankar.org)

Just an update: I've followed up this as a bug report to Debian as well
as posted a message on an existing report at launchpad.

I believe that newer printers in the same range have automatic colour
conversion in firmware which would resolve the issue?

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