Digital BW, The Print

My guess is that unaligning the nozzles is similar to introducing
vibration into a conventional enlarger column or slightly defocusing
the lens to keep grain from showing in the print. 

But if it works, do it. 

Bob Michaels

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Jamie Creed"
<jamie120705@j...> wrote:
> OK I know I'm replying to my own post, but I thought someone might 
> benefit from my struggles, and maybe someone maybe able to explain
> why the solution I found works.
> 
> I was having awful banding problems, when playing around with Epson 
> Glossy and Semigloss; didn't get any reply's on this or DBWTP
forum, 
> so I kept searching the archives, until I came across some threads 
> with major contributions by Clayton Jones (wow, what a guy.)
Clayton 
> suggested when trying to do a head alignment operation, that people 
> should try not to align the heads but rather UN-align the heads. 
> Well I've got to tell you, as a last resort I tried this and it 
> worked for me big time, Thanks Clayton very much, and QTR I love
you.
> 
> Can anybody hypothesize as to why this should be,
> 
> regards, Jamie Creed.
> 
> P.S. I should have set my head to #8 #8 #8, instead I set #2 #2 #2.
> 
> --------------------------------------------------------------------
> 
>  "Jamie Creed"  wrote:
> > I'm trying to create some curves (in QTR) for Epson Glossy and 
> > Semigloss for my 1290s, but can't get rid of a vertical banding
> > pattern (that is to say - in the same direction as the printer 
> head 
> > motion) which is showing up on the initial 100% Ink Pattern Page
> (in 
> > calibration mode.) I've not seen this when printing to Matte 
> paper, 
> > and have tried numerous head alignment operations. Also tried
> > different settings in QTR; speed, resolution and dithers.
> > 
> > Anybody out there got any ideas or solutions?
> > 
> > regards, Jamie Creed