Creo Spectrum
Creo Spectrum
- Subject: Creo Spectrum
- From: Rich Apollo <email@hidden>
- Date: Tue, 21 Sep 2004 16:09:47 -0500
On Sep 21, 2004, at 2:06 PM, email@hidden
wrote:
Subject: Creo Spectrum
To: <email@hidden>
Message-ID: <BD74CF0C.16FF3%email@hidden>
Content-Type: text/plain; charset="US-ASCII"
I am at a client with a Creo Spectrum. And as I measure the solid ink
densities (SID) from the CMYK off of this device I am reading what I
consider to be a very low yellow density of .70. I would expect a
printing
press to have the solid yellow at least at a density of 1.0.
This low yellow density is also being verified in the ICC profile.
I am also told that since the Spectrum is digital the SIDs cannot be
adjusted without changing the sheets of CMYK pigments. Right now the
lower
density sheets are being used.
Jim,
When I ran one of these, we found that it was necessary to use "High
Density" donor material. We ran a Yellow density of around 1.00 (status
T). Also, the density will drop if the laser power is fading.
Unfortunately, it requires a service call to Creo to adjust the laser
power and the calibration was handled by the manufacturer of the
proofing materials. If you switch donor materials it will require a
recalibration. It's not a user-friendly set up.
Rich Apollo
Priority Litho
314-344-1144
email@hidden
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