QTR-Quadtone RIP

There has been quite a lot of discussion of banding. You might look at some
additional messages. The link below may contain a relevant suggestion:

	http://groups.yahoo.com/group/QuadtoneRIP/message/1387

Tom Moore

> -----Original Message-----
> From: QuadtoneRIP@yahoogroups.com [mailto:QuadtoneRIP@yahoogroups.com] On
> Behalf Of Howard Shaw
> Sent: Friday, December 30, 2005 6:12 PM
> To: QuadtoneRIP@yahoogroups.com
> Subject: [QuadtoneRIP] Horizontal banding in areas of solid black
> 
> I'm printing a number of images on a 2200 with largeish areas of solid
> black and, to varying degrees, those areas are showing very narrow
> horizontal bands which appear like small scratches. At first I thought
> it was something wrong with the paper but I've now tried three different
> papers all with the same results.
> 
> I've posted a scan of one of the worst affected (it's about a 1 inch
> wide strip in the original):
> http://www.glassman.mistral.co.uk/qtr/qtr_banding.jpg
> 
> I'm using 1440 super and have tried Eventone & Ordered dithers - the
> results are slightly different but just as unuseable. I've also tried
> different ink limits and various profiles but all with the same results.
> I'm using Eboni Black & UT-FS & FSN inks.
> 
> Looking back through the archives there was reference to a similar
> problem here:
> 
> http://groups.yahoo.com/group/QuadtoneRIP/message/937
> http://groups.yahoo.com/group/QuadtoneRIP/message/1099
> 
> Any advice much appreciated.
> 
> Howard
>