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Digital BW, The Print

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Re: [Digital BW] Digest Number 3465

Re: [Digital BW] Digest Number 3465

2005-10-11 by Ben Ong

Subject: Re: Re: question about CFS systems - K7? Answers for Clayton

Jon Cones words regarding K7 supplied curves on this thread:    "You 
couldn't make that by
hand or with an instrument using the QTR curves generator. That is what
makes the difference."


Jon Cones words on InkJet Mall when advertising K7:        "However, you can 
purchase a Spectrophotometer to produce your own profiles using the QuadTone 
RIP built-in curve generator for only $895 by clicking here."


....So am I missing something or what. I mean no disrespect to Jon Cone or 
InkJet Mall, I'm just a confused K7 user asking a legitimate question I 
think.

Thanks.

Ben

RE: [Digital BW] Digest Number 3465 ( K7 curves)

2005-10-11 by John Moody

Both statements are true.  You can create your own curves with QTR and a
spectro, or use the curves provided that were created with Inkjet Mall
in-house profiling tools.
The in-house tools have been developed specifically to make very smooth
channel transitions, which is considered good for smooth tonal transitions
in the print.
The current QTR curve tools are very good as well, just not to the same
degree of smoothness for 7 gray partitions.

If you are using papers that inkjet mall created profiles for, I would not
think there is any print improvement to be had by creating your own curves
for the same paper.  Using the create-icc-profile tool would be very
helpful, IMO.

Best regards,
John Moody
Show quoted textHide quoted text
-----Original Message-----
From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com]On Behalf Of Ben Ong
Sent: Tuesday, October 11, 2005 9:10 AM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] Digest Number 3465


Subject: Re: Re: question about CFS systems - K7? Answers for Clayton

Jon Cones words regarding K7 supplied curves on this thread:    "You
couldn't make that by
hand or with an instrument using the QTR curves generator. That is what
makes the difference."


Jon Cones words on InkJet Mall when advertising K7:        "However, you can
purchase a Spectrophotometer to produce your own profiles using the QuadTone
RIP built-in curve generator for only $895 by clicking here."


....So am I missing something or what. I mean no disrespect to Jon Cone or
InkJet Mall, I'm just a confused K7 user asking a legitimate question I
think.

Thanks.

Ben






[Non-text portions of this message have been removed]

Re: [Digital BW] Digest Number 3465 ( K7 curves)

2005-10-11 by Howard Shaw

John Moody wrote:
..
> Both statements are true.  You can create your own curves with QTR and a
> spectro, or use the curves provided that were created with Inkjet Mall
> in-house profiling tools.
> The in-house tools have been developed specifically to make very smooth
> channel transitions, which is considered good for smooth tonal transitions
> in the print.
> The current QTR curve tools are very good as well, just not to the same
> degree of smoothness for 7 gray partitions...
> 
John, I'm not sure what you mean here by "channel transitions" - is that 
something more than the transitions between different ink slots that we 
are familiar with in qtr?

Thanks
Howard

RE: [Digital BW] Digest Number 3465 ( K7 curves)

2005-10-11 by John Moody

Right click on the curve in QTR gui and show curve.  I’m referring to how
the inks transition from off, to max ink, to off.

Best regards,
John Moody
Show quoted textHide quoted text
-----Original Message-----
From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com]On Behalf Of Howard
Shaw
Sent: Tuesday, October 11, 2005 5:18 PM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] Digest Number 3465 ( K7 curves)

John Moody wrote:
..
> Both statements are true.  You can create your own curves with QTR and a
> spectro, or use the curves provided that were created with Inkjet Mall
> in-house profiling tools.
> The in-house tools have been developed specifically to make very smooth
> channel transitions, which is considered good for smooth tonal transitions
> in the print.
> The current QTR curve tools are very good as well, just not to the same
> degree of smoothness for 7 gray partitions...
>
John, I'm not sure what you mean here by "channel transitions" - is that
something more than the transitions between different ink slots that we
are familiar with in qtr?

Thanks
Howard



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