OOPS...Not being a techie I tested it by printing the prints I use for test prints that I made with PS....swatches of colors, three different skin tones (caucasian, african american, asian). Then chnaged out the inks to the 3mK's I printed the 100 step gray scale image from the website, then the black and white target file. Using the QTR for BW. I also printed 3 full color prints. I then printed color using the above prints but without the GO and PK.
I compared all the color prints to my original test prints printed as a Cprint from a lab.
Then used a magnifying glass to check for marks, scratches, pizza wheels etc. I also used the magnifier to read the 100 step chart and found that blocks 99 and 100 were indistinguishable to my eye. I also used the same paper for all the tests...Epson Enhanced Matte. I also compared the prints using a 1000W daylight bulb. I had one only beacuse I teach a hydroponics course and that is the light we use.
I did notice that when I used it the first few color prints there was a 1/4" round drop of "glop" about a 1/2" from the end of the 8x10 print.
This of course is not a high tech method using meters and such but all the comparisons to Cprints for color matching came out fine and the BW work, to me, was excellent. Best I have seen from an inkjet and I am happy not to have to set up a wet darkroom again. The asian skin (my wife's) came out a bit too yellow, but skin tone is very hard to duplicate exactly. If I were printing portraits I would run some test 4x6's and tweak a bit.
I hope this helps somewhat
Frank
"The luckiest dogs are those with clipped tails....they're the ones who won't be chasing their own arses."
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Re: how to test my new (refurbed) Epson R1800
2008-02-06 by Frank Jay
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