Datacolor User to User Support Group.

David,

Thank you for your offer of help, but I finally managed to produce  
two profiles that are vastly better than anything I've managed before.

I used the 3-page 729 chart.

I can't understand why both smaller charts would be such a problem  
for me. The 150 patch version is *much* easier to read, and I  
wouldn't have thought that my printer and/or inks would be strange.   
I'm using an Epson 2200 with MIS Pro ink.

There is no need to answer this email.

Myron



On 6-Aug-06, at 11:50 PM, David Miller wrote:

>> I've been using PFP since it came out. With a little fussing,
>> repetition and tweaking I get fairly decent results with a variety of
>> papers on an Epson 2200 and an R220, both with MIS Pro inksets.
>>
>> Yesterday I tried to print an image that was mostly grey, with two
>> faces, some flowers and a cross in full color. The image started life
>> as a regular RGB image. I selected the soon-to-be-grey parts and set
>> the saturation to zero (I also tried other B&W techniques).
>
> No problem there...
>
>> When I print it with my PFP-produced profile, the colored sections
>> look appropriate, but the greys are off and ugly. Midtones and higher
>> tones look grey, but from about the midpoint down into the shadows
>> the tones are nowhere near neutral. Unfortunately I'm partly red-
>> green colour blind (and hence tend to project green and occasionally
>> red into/onto surface colours I can't see well), so even trying to
>> describe the colour is pretty hopeless.
>
> Send a .zip file of you measurements to me at davem@...
> and I'll have a look at them for you...:-)
>
>> What is the best way to use the PFP system to tell me how far off I
>> am on the different color axes I can tweak when building profiles? I
>> simply cannot rely on *seeing* that something is too yellow or cyan
>> or whatever, although generally I can tell that something is "not
>> right".
>
> You can't tell directly, from inside PFP, but you could make yourself
> a test image of gray steps and then soft-proof, through the profile,
> in Photoshop, and use the Info palette to see what numbers you get
> from grays, and near-grays
>
>
> Best regards,
>
> -- 
> David Miller
> Senior Software Developer, Digital Color Solutions
> ColorVision
>
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