Re: [ECI-EN] colour accuracy of printer suppliers
17 Oct
2008
17 Oct
'08
6:12 p.m.
Hello Ken,
One quick remark:
FOGRA27 is outdated!
Please use FOGRA39 as reference of offset printing on gloss- or matte-
coated paper, in particular for assessment of proofs. As you certainly
know, the reference data sets are valid per output condition only.
E.g. FOGRA29 would be the choice for offset on uncoated stock. A list
of char' data reference FOGRA numbers and the respective ECI offset
profiles is provided in the documentation coming with the ECI Offset
profiles 2008, available in the download section on www.eci.org.
Some more thoughts below in your text.
Good luck with all your efforts!
Best Regards,
Florian
Am 17.10.2008 um 13:09 schrieb Jones, Ken:
I have been researching methods of assessing colour
accuracy of
printer suppliers we use and would like some knowledgeable and
impartial advice (i.e. Not from a salesman!) and I hope you can help
me with a couple of questions.
I have requested running sheets for some recent print jobs and aim
to sample the colour bars in order to build a test of how closely
the FOGRA27 has been matched, or not. Then I want to obtain a report
that I can use both internally to Production Managers to make them
aware of colour matching issues and also send to the printer
involved to make them aware that they have been tested and the
results found.
Here are my questions:
• What measuring device would you recommend I use? (make and model
if possible)
One option is the X-Rite i1 Pro as this device is very popular. In
order to avoid confusing measurement differences which may occure
comparing measurements from different manufacturers' devices, this
aspect may become important once you compare your findings with those
of e.g. the printer.
Of course there are other devices as well, e.g. Techkon's RS 800
offering fast measurements in scanning mode.
• What software would you recommend for recording
results and
creating reports? (make and version if possible)
• Ideally we will require some standardised colour bars to be added
to running sheets. However, what method would you suggest for
sampling non-standard colour bars that are currently applied by our
printers?
You may wish to check out the ECI/bvdm Gray Control Strip available
for free in the download sections at www.eci.org and www.bvdm.org
Thanks
Ken Jones
Technical Production Manager
Penguin Group (UK)
80 Strand, London, WC2R 0RL
Direct Dial 020 7010 4136
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