Re: proofing
Re: proofing
- Subject: Re: proofing
- From: Jim Rich <email@hidden>
- Date: Tue, 07 Feb 2006 12:20:06 -0500
- Thread-topic: proofing
Ray,
Interesting and real observations.
> In my opinion you should make your inkjet proofer match one of the
> original laminate proofs. Then adjust your press , RIP, and platesetter
> to match this laminate proof. Most of the files that you receive are
> going to be separated for one of these standards.
>
This is a common strategy for setting up an inkjet proofer, that is you
create a costlier proof as your target. And IMHO not a bad approach.
However, if you are printer you have another option of getting the press
under control and creating a press profile. Then use that press profile as
your target for the inkjet print.
Another thing to consider is using the new Gracol 7 methodology that takes
advantage of the ISO specifications for things like ink and paper, a
standard press setup and a Gracol certified consultant to get your printing
system standardized. It will cost some money to get setup and trained and
so a company has to decide what it is worth to use G7 to help you attain
very good color matches between the press and proofing system.
Also there is the Gracol Master Printer program. Once you become qualified
as a Gracol Master Printer then you have an opportunity to differentiate
your company from other printers. This potentially makes your printing
services more valuable. Or at least that is what I understand and believe at
the moment.
In the scenario I am putting out here, the press is the target in all cases.
While mileage will vary, the new G7 method makes press calibration and
inkjet proofing very interesting and do able at the printers site and at
their clients remote locations.
My .02.
Jim Rich
> Remember, you have to match three things.
>
> 1. The CMYK separations were targeted at some standard
> 2. The proof should be made to this same standard
> 3. The press should be adjusted to match the proof
>
> I have found that a press can be adjusted all over the map and varies
> with which press person is on shift. Standard proofs are much more
> consistent. Most press persons can bring the press quickly to match
> standard proofs.
>
> I know that this is a controversial subject and not all will agree.
>
> Ray
>
>
> MSD wrote:
>
>> Good morning,
>>
>> Can anyone give me something I can make understandable to easily
>> relay to the sales staff and prepress department regarding this issue?
>>
>>
>> - Press set to repeatable standards
>> - Press profiled
>> - HP 5500 calibrated and profiled
>> - Profiles patched together
>> - Result is that our Press, when running our standard densities,
>> matches the HP proof.
>> ---
>> - Client submits job
>> - Files are processed and an HP proof is made
>> - Press runs up to densities and the sheet matches the HP proof
>> - Client pulls out his proofs
>> one created from his office inkjet (quality inkjet)
>> one created at a color house across town (dot proof - probably Fuji
>> final proof)
>> - Client wants our press sheet to match his proofs - not our supplied
>> profiled proof
>> ---
>> The decision makers at the print shop now are talking of "tweaking"
>> our curves
>> to match the clients proof.
>> This, I suppose, would involve messing with the linearization of the
>> platesetter.
>> (It wouldn't do any good to "tweak" my HP if my plates do not match
>> the clients proofs.)
>> ---
>> What does one do about this?
>> If I "convert" to the press profile upon export, or PDF creation, from
>> the native file
>> the colors would still remain consistent to the final file I have --
>> correct?
>> I can not believe we are going to need to "tweak" our platesetter
>> to create custom curves so we can match every clients personal inkjet,
>> or other proof.
>>
>> Thank you for your input,
>> Michael
>>
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| | >Re: proofing (From: Ray Maxwell <email@hidden>) |