QTR-Quadtone RIP

--- In QuadtoneRIP@yahoogroups.com, "mrjimbo" <mrjimbo@...> wrote:
>
> What dpi are you using? What material are you using? 
> Try a few different dpi settings and see if that makes  difference.
Also go into the driver setting and locate the density setting..try a
few variants.. It sounds like your inks are not "adhering" to the
surface possibly.. When I print on Mylar for a transfer patch fix
that's  what I see. 
> I'm not intimate with the 3800 but it has a pretty good dither
pattern... I'm leaning towards a material issue.. 
> Have you done this successfully before with this material?  or is it
new turf...........
> 
> jimbo
>   ----- Original Message ----- 
>   From: colinflanary 
>   To: QuadtoneRIP@yahoogroups.com 
>   Sent: Sunday, October 12, 2008 10:21 AM
>   Subject: [QuadtoneRIP] Inconsistant magenta density with digital
negatives
> 
> 
> 
>   I'm trying to use version 2.6 and a 3800 to make digital negatives. I
>   can't seem to get even highlight densities (skies mainly)to print
>   without odd very random stripes of heavy magenta. I'm using an even
>   dark ink mix of 15 (black, cyan and magenta) and 8 yellow and 32 K
>   boost, but every so often I'll get these 1/2-1" bands with way too
>   much magenta in the mix. Sometimes these stripes will alternate the
>   length of the sky area, other times there will be a single very wide
>   stripe at the end of the same sky area. The ink level on the printer
>   confirms this- the magenta cart is half as full as the other dark
>   inks- which suggests it's happening more than I'm aware of.. I've
>   tried changing the dark ink limits slightly to no effect. Any ideas
>   much appreciated.
> 
> 
> 
>    
> 
> [Non-text portions of this message have been removed]
>I solved the problem. I had some legacy epson scanner drivers
installed that might have been the problem. I also thoroughly
uninstalled the printer and QTR drivers, then reinstalled everything.
Also, I changed the printer spool settings to load entire file before
printing. So far so good- not sure though which had more impact.