Re: Wrong colors when creating color AFP overlays

[Booth Martin <booth@xxxxxxxxxxxx>]

I wonder if it might work better if you limited the pallet to 256 colors?



Lukas Beeler wrote:
> Hi,
>
> After spending nearly eight hours on this problem, i'm ready to give up.
>
> I'm trying to create a color AFP overlay, which I can print to any
> IPDS-enabled color printer which supports FS45.
>
> The problem is that the colors in the AFP file I get are already wrong,
> before I even upload the file to our iSeries (270, V5R4).
>
> I try to generate the AFP using the IBM printer driver, supplied here:
>
> http://www-1.ibm.com/support/dlsearch.wss?rs=95&apar=exclude&q=afp+drive
> r+psd1*&dc=D430
>
> (I'm using the Generic 600 dpi Printer driver)
>
> I also tried the Infoprint Server gif2afp, tiff2afp, jpeg2afp commands.
> These don't work at all.
>
> There is some documentation on this issue:
>
> https://www-912.ibm.com/s_dir/slkbase.NSF/acf2ee1e9d64b16e8625680b000203
> 89/f6ce4719a31214d68625710f005d87da?OpenDocument
>
> It mentions printing from Word, which will generate RGB output, which
> the printer driver will misinterpret. So I tried to use several
> CMYK-Printing enabled applications, like Adobe Illustrator, Adobe
> Photoshop and Adobe Acrobat.
>
> Not one of them worked.
>
> The problem is clearly visible in this screenshot:
>
> http://projectdream.org/~lb/farbproblem.JPG (On the Left the Word
> document, on the right the AFP)
>
> It also happens in the CMYK enabled illustrator in this screenshot:
>
> http://projectdream.org/~lb/farbproblem2.JPG
>
> However, printing the pure CMYK-colors works fine:
>
> http://projectdream.org/~lb/klappt.JPG
>
> This is our Logo, in a CMYK EPS file:
>
> http://projectdream.org/~lb/data_adr-logo_leg.eps
>
>
> I've systematically tried all settings available in the printer driver.
> Some of them didn't work at all, but all of them created wrong colors.
>
> Using the black and white mode works fine, of course. The problems only
> there with color printing.
>
> Anyone got any ideas on this? I've searched the web for hours, and tried
> all possible settings. I didn't find any mentioning of people with the
> same problem.
>
> Thanks for any feedback in advance!