HP Lightfast Ink true or false?

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cc0112453

I'm enjoying my HP 7150 Photo Smart printer but I have a couple of questions
about it. The main reason I purchased it was because HP claimed that the
ink it used was of a new, improved "lightfast" type. Recently I found an
ink refill kit at Costco that had the extra "photo ink" include in its
package. It claimed to be as good as the original HP ink. I wrote the
company and they responded saying that the new HP ink would fade just as
fast as theirs in bright light conditions. Why did I buy this new printer
then? Is HP fibbing?

Also one problem I have had with all of my HP printers (I have owned four),
they all leave scratches in the glossy surface that are very visible when
viewed from the side in bright light? Any fix for this?

Remove nospam to respond.
 
cc0112453 said:
I'm enjoying my HP 7150 Photo Smart printer but I have a couple of questions
about it. The main reason I purchased it was because HP claimed that the
ink it used was of a new, improved "lightfast" type. Recently I found an
ink refill kit at Costco that had the extra "photo ink" include in its
package. It claimed to be as good as the original HP ink. I wrote the
company and they responded saying that the new HP ink would fade just as
fast as theirs in bright light conditions. Why did I buy this new printer
then? Is HP fibbing?
Click to expand...

The next time you write the company you might ask for the independent test
results that would back their claim. I really doubt that any refill ink will
match the results of the #7/58 combination used in the Photosmart 7150. See
the following:
http://www.wilhelm-research.com/pdf/PCWorld_Cheap_Inks_2003_10.pdf and
http://www.wilhelm-research.com/hp5550 print permanence.html



Regards,
Bob Headrick, not speaking for my employer HP
 
HP is fibbing. All of their desk top printers use color dye based
inks. Blacks are pigment. Check out the Epson 80, 82, 84 2000, 2100
and the new 2000 7 colors all of these use a pigment based inks.

J
 
J. West said:
HP is fibbing. All of their desk top printers use color dye based
inks.
Click to expand...

You are mistaken. It is true that HP's desktop printers use dye based inks.
Recently they have been specially formulated for lightfastness. See the
following: http://www.wilhelm-research.com/hp5550 print permanence.html .
I will quote a relavent part: "When used in the photo mode with the new and
completely reformulated HP Premium Plus Photo Paper also introduced in June
2002 (called "Improved" HP Colourfast Photo Paper in Asia and some other
markets), the prints have a Wilhelm Display Permanence Rating (DPR) of more
than 70 years when prints are framed under glass. This is the highest DPR of
any dye-based desktop inkjet printer ever tested by Wilhelm Imaging Research."

Henry Wilhelm is a recognized expert in the filed; see the following for his
credentials: http://www.wilhelm-research.com/about_us.html

The HP inks have lightfastness rivaling pigmented solutions while eleminating
the metamerism that can occur when printing with pigmentd inks on glossy media.

- Bob Headrick, not speaking for my employer HP
 
J. West said:
HP is fibbing. All of their desk top printers use color dye based
inks. Blacks are pigment. Check out the Epson 80, 82, 84 2000, 2100
and the new 2000 7 colors all of these use a pigment based inks.
Click to expand...

The photo paper probably has a greater effect on lightfastness than does
the ink. The two must be combined to produce prints with some longevity.
 
And I will sell you the Golden Gate Bridge. How many people have the
conditions wilhelm test under -NONE! Now for the real world of
printing.
How many people put their prints under framed glass and use the right
lighting condition? I used HP Premium Plus Photo Paper and using the
Photo mode and let 2 hours of sun hit it - Guess what -- were talking
FADING with in 3 weeks. Hmmm am I missing something?

I have had 3 HP printers all a real pile compared to my Epson 1280,
and 2200. I have 1 HP left - It might be in the trash next week.

J.
 
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