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Please let me make some comments to the measured values; it's fine that you measured the complete Lab* values. The b-value is negative in all cases with a value around -4 which let the black patches look like a cool black. That's typical for dye inks. The L* value on the matte papers are 15.6...

Some color measurement of black patches - e.g. running a patch sheet for icc profile generation - would help very much; I'm not clear why inks would be mixed for black; I don't see a reason that inks get mixed to black since there is a dye black ink in the inkset.

Pigment inks are currently not discussed; T089/080 inks are named as Claria Photographic inks. 114 and T54C inks are an equivalent substitute.

Confused - about what ? Color fidelity ? Are you creating and using specific icc-profiles ? The 114 and 673 inks don't have the same longevity - mixing them will cause color drifts over time.

Epson calls the 114 inks 'Claaria ET Premium'; you may use as well the T54C light inks which are very stable.

??????? https://www.idealo.de/preisvergleich/ProductCategory/10192.html?q=Epson%20T54C

I haven't had these 108 or 115 inks in my hands, that's probably rather new products brought into the market by Epson. Adding inks wtih additional numbers allows Epson to do different pricing for the same ink - the108 ink is titled as a Claria Premium ink for the L8160 which is a white printer...

I think it's inevitable - you need a particular amount of ink per nozzle for a cleaning action, and just look to the number of nozzles per printhead over time - the number of colors of the inks is growing and the width of the printhead as well - more nozzles give you a higher speed or a better...

I don't know if my comment fits here - if you are looking for a 17" roll paper printer have a look to the Canon TC-20 - a affordable Megatank 4 color 24" printer - it prints and cuts roll paper - it uses just 4 colors - the printer comes with GI-050 pigment inks but you easily can swap the inks...

Epson printers don't print with print resolutions higher than 720 or 600 dpi, all higher numbers just indicate how colors are dithered within a print dot. Qimage makes it easy - they display the acual print resolution settings used at print.

I'm not familiar with Epson's ink codes in their other business regions. I would trace back inks back to the printer models on wlhich they are used, some of the printer models don't change, others do - Epson likes to make and keep it complex - but it's no better with Canon.................

We only can assume wthat the marketing plans are by Epson or Canon or the other companies, earning money with inks is most likely one of them. It's not a surprise that the gamut of pigment inks is not wider or even similar in size as dye inks - and this with even very different ink counts -...

That's a very comprehensive test and overview of a wide range of papers . I just don't get get why the paper manufacturers make it such a big secret whether and how much they use OBA'S or not. (It's not much better why they don't just indicate if a if a paper is of the RC or PP type )

I have an Action shop in the vicinity and got some of the A4 photo paper for a test - with dye inks type 106 on a ET-8550 and with pigment inks on a T3100X. The Action paper sells in Germany for €1.49 for 30 sheets, the paper does not curl at all with the dye inks and not with the pigment inks...

Here is a comparison of a few papers in regards to their UV response showing the difference between the HP Premium Plus Photo Paper and the Canon PT101. The high gloss and similar RC papers have the paper core sandwiched between very thin PE foils/films - on both sides - one side carries the...

I'm not aware of an Ecotank like photoprinter - inks in bottles - with pigment inks -. Pigment bottled ink is used in a 4 color CMYK set for printers targetted for office type use - print on matte papers - copy papers and alike, and the bottled black is for matte papers only. I'm using on my...

The HP paper CR672A , as well the CR674A which is more difficult to get in Germany , are the only papers I have tested over a longer time which does not have any optical brighteners in the coating, and I have tested a lot of these RC - resin coated papers. There are a few fineart papers as well...

I made similar experiences with cast coated papers - one brand curls, another one runs quite well with pigment inks, another one has a wider gamut than the other papers or a better black level than other papers - you need to test if a particular brand meets your requirements and balancing the...

@palombian - you are reaching the limits of a cast coated paper, some don't like pigment inks at all. Sellers promise you the best colors ever - the widest gamut and all that - I made the same experience. It may look a little bit better with dye inks.

@Smile - I'll try the above link early next year.