I should have added that the HP 10ps inks are capable of printing the full range of Pantone colours. Nothing else comes close at the price IMHO. The actual ink gamut is reputedly much wider than any of the long life inks.

Also, the ink cartridges are big and don't run out like the Epsons.

Bob Croxford


On Wednesday, March 19, 2003, at 02:24 am, Bob Croxford wrote:


Dear Thomas

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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