I am sure it is the ink which is unstable not the paper.
My own practical experience with the HP 10 ps is this.
1/ The new RIP makes a lot of difference to ease of printing.
2/ The paper, as with all inkjets, needs to be very dry. Humidity in the paper affects curing time and longevity.
3/ The HP inks are not stable in light conditions but are stable enough for proofing purposes when kept in a box. Has anyone ever thought of proofs as long lasting? The Pantone colour swatches are guaranteed for six months only, or is it three! One accidental test showed that protection in a polyprop sleeve of the type that greeting cards are sold in has protected the colour for six months in south facing conditions.
4/ Printing on the HP 10ps does not introduce the Epson dither sharpening and gives a true sense of image quality for litho printing.
Regards
Bob Croxford
On Tuesday, March 18, 2003, at 11:13 pm, Thomas Holm / Pixl wrote:
It's a bit less stable though. According to HP's own tests the inks from the
HP 10-20-50ps is not stable on them (ever). And why would they write that in
datasheets if it wasn't true.
It was a bit more sugar coated statement of course...
Best Regards
Thomas Holm / Pixl ApS
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