Re: Epson 4900 Calibration
Re: Epson 4900 Calibration
- Subject: Re: Epson 4900 Calibration
- From: Terence Wyse <email@hidden>
- Date: Sun, 03 Apr 2011 18:26:47 -0400
I agree Roger.....in a properly ink-limited and linearized RIP, the dE shift after, say, about 15' is not significant in my opinion. In any case, it would be damn difficult to get any production done if we had to wait 12-24 hours for each iteration of a calibration. :-)
Terry
On Apr 3, 2011, at 5:24 PM, Roger Breton wrote:
> My experience is that the magnitude of color shift is not significant. But
> that's my experience. A prepress proof can have a life of a few hours to a
> few weeks, so it better be stable.
>
> Best / Roger
>
> -----Original Message-----
> From: colorsync-users-bounces+graxx=email@hidden
> [mailto:colorsync-users-bounces+graxx=email@hidden] On
> Behalf Of José Ángel Bueno García
> Sent: April-03-11 4:48 PM
> To: Terence Wyse
> Cc: 'colorsync-users?lists.apple.com' List
> Subject: Re: Epson 4900 Calibration
>
> OK Terence, but we print for long term and can print other that patches.
> What the shops or print service sells?. Henry Wilhem would say that a longer
> period of dry is appropiate for a final copy/print.
> Maybe proofing is Formula 1 and I had not noticed.
>
> Salud
>
> Jose Bueno
>
> 2011/4/3 Terence Wyse <email@hidden>:
>> Profiles are one thing, calibration is something else.
>>
>> As long as the dry time for calibration is consistent (5-10 min.), it's
> viable.
>>
>> Different markets also.....if it's for proofing (where I live), proofs are
> viewed likely within minutes/hours of exiting the printer....so it makes
> sense to profile within roughly the same time period.
>>
>>
>> Terry
>>
>>
>> On Apr 3, 2011, at 1:25 PM, Matthew H. Owens wrote:
>>
>>> Regarding onboard spectro's, what about the cure time that is
>>> necessary for the ink to reach a stable density? For example, with
>>> the epson inks, generally overnight is sufficient to wait, but
>>> according to data from Epson, it takes about six days till full cure.
>>> So until that time the colors will shift. This is the reason I do
>>> not use an onboard spectro, and would rather let my ICC swatches dry
>>> overnight till scanning. I also scan them again after six days of cure
> time.
>>>
>>> --
>>> Matthew H. Owens
>>> Fine Canvas Prints
>>> Fine Art Services
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