It is not entirely needed to keep the cellophane on as the rubber outlet is actually sealed until the inlet spike is in it but if you have an unbroken seal, that's fine to keep it unbroken during fill (for the R3000, etc). I generally (personally) fill the R3000 w/ ink and then prime it and put...
Our black levels have been slightly lighter than Epson OEM until just about now with our most recent ink. Gamut volume, not as large. But measuring gamut volume as the only factor in how good an ink is, is a bit like saying everyone should own a Mustang when others really need a Prius. Our inks...
I see. The 20.5 was actually a patch that was not full black in the file. Yes. The PK-HD ink is built very specifically to match the old PK in everything but the lowest dark values so having it match at the higher values is expected. We talk about it a bit in the press release. It actually took...
Truth be told, we did R&D of this ink on Luster, Glossy, all of the baryta papers, and several of the other fine-art pearl-surface and gloss surface papers. We did not try it out with stock profiles on PremierArt Gloss White Canvas but the surface chemistry is the same as other semigloss papers...
Cone Color has full i*metric fade data that it publishes about its inks. Currently the Piezography inks (the targets that were printed correctly) are the second highest rated inks at Aarrdenburg test labs under the most recent Canon Lucia inks and above all others. Cone Color is not as archival...
For some reason I can't log into my other account. New PK-HD is now available. New Piezography pro is finished internally but will take some time to make in bulk.
Walker Blackwell here, the engineer who R&D'd the new ink. We just finished it and it went on sale last week, so the reply above is talking about an older ink. We are seeing equivalent or darker than current OEM PK pigment inks on Epson Ultra Premium Glossy. Cheers :)