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Can you measure spot color density value? I know that I could measure density using Xrite 939 for CMYK, however when it comes to measuring spot color density such as Pantone 361 C (Green), how could I measure density using Xrite 939?

What is Maximum dot and Minimum dot is actually mean? For my own interest, I would like to know what maximum and minimum dot is really mean in print world. Especially rotogravure world. My assumtion for minimum dot is in what percentage of screen value can be achieveable when printed. For...

Here I am asking the question that I jumped into when I was setting up the RIP software with accureate spot colors. Here is my situation. We have ORIS 1.2.2 RIP + Certify proof equipped with EPson 7900 + on-board spectro. We also have Xrite 939 + iQC print for measurement and QC I have ICC...

Can anyone can tell me difference between these three, (∆E, ∆E cmc, ∆E 2000) usage in print QC industry? By gathering information in internet, it seems like ∆E is used in wide range, however the ∆ value seems work similar concept as absolute colormetric way, in other word, ∆E value...

Greetings all, I was wondering if anyone have pantone plus import able file for Xrite Color iQC software?I found the Pantone + Solid Coated D65.cxf file that came with install CD and I am not sure if this cxf file is outdated. If cxf file that I have is up-to-date pantone lab value, is this...

Does anybody know what is the Pantone+ lab value in Adobe CS base on? D50/2 degree or D65/10 degree? I know that N.A. standard is D50. I am trying to compare Pantone+ lab value in Adobe CS system vs other software such as Xrite Color iQC, etc. for setting up what lab value should be the...

Good evening all, It came to my attention that which printing method has biggest color gamut. Litho < Flexo < Gravure ? Some say Gravure has bigger color gamut than Adobe RGB. To have bigger gamut, I think vibrant primary color need to be placed which that Adobe RGB has brighter than gravure...

I have question on converting RGB images to CMYK. I know that RGB color gamut is much wider than CMYK, however we like to eliminate color shifting as much as possible. Currently we have tested that two RGB settings (Adobe RGB (1998) and sRGB) converting to CMYK (Coated GRACoL 2006) using...

Good moning all... I want to know difference betweeen Dot gain, Dot % and Dot Area. I thought it was all same terminology that I reserve TVI and find out the values. Well, I have to find out Dot Gain and Dot Area on 2%, 10%, 25%, 50%, 75% with Xrite 939. I already have printed bunch of press...

Good Afternoon. I have noticed when I print the Illustrator EPS file that saved in CS5, it came somewhat different compared with customer provided printed out. So I used another computer to use CS4 to create EPS file and the printed proof came out different then CS5 EPS file. It seems like the...

Good Afternoon. I have noticed when I print the Illustrator EPS file that saved in CS5, it came somewhat different then customer provided printed out. So I used another computer to use CS4 and then the print out came out same as customer provided printed out. It is exactly same file but...

Hello everyone, I have question regarding on color matching for hardproofs. I have received client sent physical ink draw down in different type of paper compare to our proofing paper. Ink draw down white paper is L*= 95.23, a*=1.16, b*=-0.74 and our proofing paper is GRACoL certified paper...

I have question regarding on how to measure color in ink draw down in transparecy film. We have received two samples that has 1. Pantone color ink drawdown with white ink on transparence film 2. Pantone color ink drawdown without white ink on transparence film (Should I request for white ink...

Good morning/afternoon/evening All, We purchased Xrite 939 Spectrodensitometer to read color and for QC. When I tried to set-up the device, I came up to question for Opacity menu. In Configuration menu > Color Options >> Opacity I want to know is what the "Set K1" value for. Is anyone could...

1. Does anybody can explain why the 100% printed C, M, Y, K density values are different? I noticed that each C M Y K 100% print density values are different in Offset, also as Flexo/Gravure. 2. Why 100% Black and 100% White opacity % (density) is different when you print on film? Is this...

Well, does anyone have experience to measure white opacity for flexo/gravure printout? I just want to know if my methods are OK for measuring opacity %. We have Xrite 939 for checking Spot color measurement / QC and when I tried to measure Opacity %, then the measurement shows are vary depends...

Does anybody can explain why the 100% of CMYK density value is different? I know that opacity % changes through CMYK also as White. My biggest concern is why 100% Black and 100% White opacity % (or density) is different? Is this because of Pigment, viscosity or chemical that make the ink? I am...