Hi Graeme

it is possible to make a variation of an eci profile from the same
FOGRA dataset eci used, but using different inklimits etc, however you
have to be sure what you want. Also paper type is important, whether to
use the web (greyish paper) or sheetfed (pretty white stock) dataset. I
can do it if you have the info.

If you sent ISOcoated CMYK before and had success, then perhaps a
simple new profile, based on that dataset will do the job, and get rid
of the need for them to tweak the black.

A full range black generally refers to a lower black start and higher
GCR, not the max K inklimit.

Euroscale coated is about 350% total ink.


On Monday, November 1, 2004 5:45:38 pm Graeme Bulcraig wrote:

> Hello list,
> 
> Finally getting down and dirty in the weird and wonderful world of 
> Offset printing!
> We downloaded the eci profiles and few months ago now and have been 
> using pretty successfully (we think) so far.
> Am I right in stating that both the WEB and SHEET FED profiles have 
> 100% black ink limits. SHEET FED has 350% total ink with web only 300%.
> This makes sense ok, BUT a few clients (printers) have already started 
> asking us to lower the black ink limit down a bit....
> Do 'old school' printers have trouble printing a full range of black? 
> and if so are eci trying to push people to sort this out....Does a full 
> range of black produce a more neutral print? ( I think I read this 
> recently) Also what ink limits are in EUROSCALE COATED V2?
> 
> Our GMG CMYK created files we have been making (non-icc) are coming in 
> at SHEET: max 348%, black 100% WEB: max 292%, black 100%.
> All makes sense there then..
>   If we NEED to get the black max down..do we have to manually tweak 
> this or can we move to a PSR Gravure process?
> 
> (NB this is when our printers are in Greece and communication not 
> really possible..quickly!)
> 
> So looking at PSR LWC (lightweight), only 90% black but HIGHER 
> max..360%! I thought that a Gravure process could only handle LESS ink 
> not more max...Can someone explain why this is?
> 
> Basically, the printers ideally want 340% max, 85% black....What is our 
> best option? ISO web or PSR Gravure? apart from the large technical 
> physical printing difference between the two...is there going to be 
> MAJOR problems potentially?
> 
> The last images we sent a few weeks ago were ISO coated and they had to 
> tweak to reduce black etc...

Best Regards

Neil Barstow
Consulting in Imaging & Colour Management
http://www.colourmanagement.net/
http://www.apple.com/uk/creative/neilbarstow/

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