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I`m not familiar with PSO certification,but know something about G7. Both PSO and G7 are the method that made production up to ISO standard. In G7,it states if you can keep your press in a ideal status,you can use standard GRACoL Icc to convert your profile,and for platemaking either...

Check the durometer of blanket,and also check the blanket thickness changes how much during printing~

Not use Epson paper,use Easicolor EP515 proof paper.I have tested our proof using EFI verify tool,but found not all the parameter through the standard~~Especially the highest Delta E part.

We use 7910,speed is fast enough,but the consistency of printhead is not perfect.Use EFI,the proof paper will be some yellowish,and the gray balance has some issue. the proof software we use is EFI 4.0

I have a such experience like you.Our 7910 can`t maintain consisitency.Each time I do calibration,the result color will change a little,can`t stay the same from a visual look.especially the gray balance part.Our EPSON7800 can get a much better color look.The software we use is EFI colorproof...

In G7 how to book 2009 it states,contolling a press by CIELab measurement is theoretically more accurate than conventional densitometry,but also more difficult.And the density maybe different between substrate,especially the yellow ink.so in ISO standard,only define the CIELab value of each...

Maybe try to adjust the oscillator roller,let the highest density near the center of the sheet. Previous months ago,We have this problem to,the same sheet will look a little different from the gripper to tail. A germany engineer came to help us with our gripper mechanical problem,and he found...

I have send you the profile,but i`m not sure this email will arrive at your part for some chinese web problem Hope you send the specification part for me My email number is [email protected] or [email protected]

Have you visited www.cnprint.org this printing website?This site include more information than printplanet~hehe I`m located in China Chengdu

Very appreciate Ian Mackenzie send the G7 Specification 2008 to me. I`ve searched it for long time.In version 2009,it refers the G7 specification several times. The e-maill address is: [email protected] Thanks a lot~

G7 how to book 2009 only for G7 member,so you can`t download in the website as a tourist. I have G7 how to book 2006 version,but it`s written in chinese, so may be you can`t get any information in it for language difficulty.

Yes,from your theory,the solid density go consistent,not related to water or other things.But you ignore the dot gain,this is influenced a lot by water,and also a important parameter to control the quality.Density up to the target,but the change of the dot area also can destroy the production...

From the introduction,I didn`t see any economy in positive ink feed simulation test.During the production run,it`s not easy to stop the ductor,and let the water level up and down as the test required,it will ruin the work.And for the test form is too small,so it can`t treated as a fingerprint.So...

If your fountain temperatur is 16 Celsius degree,it`s too high.And the high temperature wil cause emulsification problem. And from your fountain parameter,I found the conductivity is a little bit higher for a non-alcohol dampening. Do You checked your fountain solution everyday? About the...

I don`t quite catch what the positive ink feed simulation should mean in chinese.But I guess it something related to the press design. For Erik,do you have the picture of the SID target test form? From your statement i don`t really know what it look like? May be the because grammar error in...

To test the proofer,actually no need a certain fingerprint,but need the proof software.Color flow is somekind of devicelink way to do the color management for each press,but help little in proof.Do you have any proof system like GMG and EFI? Both software have the function to certified whether...

You`d better use Presssign to done this job.It can quick masuare and caculate the printed sample pass/fail the standard. But if you want your pressman also know the result when printing,you`d better have a loop system for color management.

We us SWOP as our weboff press color gamut.And we convert icc profile in our Prinergy workflow. Use standard sheetfeed profile will cause the "Muddy" problem, because the LWC paper can`t contain too much ink as coated paper~

Actually the substrate of this inkjet machine doesn`t suit to do a color management process.The surface of this kind of material may cause some ICC accuracy issure. If you insist, I recommend you use I1 Pro Spectrometer to complete this process.DTP42 doesn`t fit for the material now you use.

During the Iterative profiling,lower Delta E value doesn`t mean correct Color.From my experiance with EFI Colorproof,I don`t see any significant improvement during Iterative profile process.Otherwise,to many times iterative profiling may cause some tone scale problem. But actually the DeltaE...