Digital BW, The Print

The issue is the way Gimp does the dither/weave for the 2100/2200 (and maybe
there is an issue with the 9600 also).  The long term solution is for Roy to
write the dither code himself.  In the short term, adding some noise to the
background often helps.


> From: Ed Mertz <edmertz@...>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Sun, 19 Dec 2004 10:52:03 -0700
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: RE: [Digital BW] QTR - Weird "Banding" Problem
> 
> 
> 
> I have this situation on a 9600 with matte fine art paper.  I'm using Epson
> photo black ink (which I don't think makes a difference).  Where there are
> areas of heavy black ink this "banding" occurs with the bands running in the
> direction of the paper travel.  It is most evident with side lighting of the
> new print.  I've come to the conclusion (and others have agreed) that it
> basically paper pucker from so much wetness.  After it dries and the paper
> flattens, it is usually totally gone or only very slightly evident.  Also
> once a print is coated or framed under glass the "bands" are not evident.
> The next time I get it I'm going to try ironing the print on the back side
> in that area after it dries for a day or so and see what that does...
> 
>  
> 
> Ed Mertz 
> 
>  
> 
> When it printed, I saw noticeable banding in the solid black area
> (pure black to perhaps zone 4 or 5).  The bands are not totally even
> in width and are about 1/2" wide, fading in and out, almost like
> venetian blinds out of focus way in the background.  It is not
> clogged nozzles, and besides, the banding is parallel to the long
> edge (opposite of the travel of the rails the ink cartridges are
> mounted to).  I checked the image in PS and the info palette shows
> the entire area measures 100K.  As a reality check, I printed the
> Image using ImagePrint and there was absolutely no banding.
> 
> 
> Thanks,  Lou
> 
> 
>