Digital BW, The Print

I am having a hard time with MIS inks - have you seen separation?

- fR

--- In DigitalBlackandWhiteThePrint@y..., "jimhayes361" <jimhayes@j...> wrote:
> I know not many people are using the Lyson monochromes, and I'm 
> reffering to the non-SG inkset here, but I'd like to hear any 
> experiences compared to either Piezo or MIS quads.
> 
> My angle is that even with the MIS, I'm getting clogs. If I turn the 
> 1280 on each day, I can usually clear it in 15 minutes with one or two 
> cleaning cycles-purge pages alone don't do it. This is a lot of ink, 
> and I'm starting to think of how nice those Epson inks slip through 
> the system, giving me perfect nozzle checks almost always. I've given 
> up on CIS and CFS and am using carts, to keep everything absolutely 
> fresh. My rule now is to use a cart no longer than 4 weeks (it never 
> lasts that long anyway), nor any closed 4 ounce bottle more than 5-6 
> months.
> 
> I have narrowed the problem down to either decreased barometric 
> pressure here in Colorado at altitude or swinging the sacrificial 
> chicken at full moon counter-clockwise instead of clock-wise over my 
> printer.
> 
> However, Lyson quads are DYE based inks. Yes I know about the 
> metamerism. Would getting the coldish version of the inkset cut down 
> some of the warming under tungsten lighting or make it worse? How do 
> they fair longevity wise on matte papers, and how does workflow/ 
> output compare to say Piezo/MIS FS or MIS VM?
> 
> And finally...would greatly appreciate stories of clogging or lack 
> thereof wrt Lyson vs MIS...
> Jim H.