Digital BW, The Print

Sorry, I misread your post. Automatically saw 7600 instead of 7660 and
assumed Epson. I briefly saw cannon output under a loupe once and
noticed a gridlike pattern.
Sorry I can't really offer any suggestions.
Tyler

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mark Hahn"
<markhahn2000@y...> wrote:
> It is the hp driver supplied with the 7660 using the #59 gray 
> cartridge.  maybe I can post some examples tonight.  the "lines" are 
> certainly not in the digital image and most definitely are in the 
> print.  I would be happy to have just gotten a defective printer, but 
> as I said, under a loupe everything looks fine which makes it seem 
> like a driver limitation.
> 
> mark
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Tyler Boley" 
> <tyler@t...> wrote:
> > More info. What driver? Quads or color? Never heard of this with a
> > x600 printer so it should be able to be resolved. No such problems
> > here with a 9600, same technology.
> > Tyler
> > 
> > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mark Hahn"
> > <markhahn2000@y...> wrote:
> > > Ok, ...I guess they say that when something sounds too good to be 
> > > true...
> > > 
> > > Have made a bunch of b&w prints with my new hp 7660.  All the 
> smooth 
> > > tone digital images print out near perfectly, but from film scans 
> > > the "woven" dither pattern somehow blends with the random scatter 
> of 
> > > the grain and produces a hidious pattern of perceptible soft 
> > > gridlines which almost look like microbanding.  Looking at the 
> prints 
> > > under a loupe shows that it is some interaction between the grain 
> > > pattern and the dither pattern however.  The problem manifests 
> itself 
> > > most in something like a face in a portrait or other smoothly 
> shaded 
> > > objects and vanishes in more texture rich images or grain free 
> > > images.  By comparison, the posterization issues with my 1160 
> seem 
> > > rather mild now.  I've tried upsampling to printer resolution 
> prior 
> > > to printings which changes the output, but doesn't correct it.  
> > > Anyone else seeing this?  Anyone have a solution?  Unless I 
> figure 
> > > out a work around I will be returning the printer as the output 
> from 
> > > T400CN scans are not suitible for hanging in a gallery.
> > > 
> > > thanks for any advice,
> > > 
> > > mark