[alt-photo] Re: Sky banding - 3800 Printer

[Amy Holmes George]

Oh no, this doesn't sound good. Thank you and Don for sharing these details. Looks like I will be calling Epson tomorrow . . .

> From: ender100 at aol.com
> To: alt-photo-process-list at lists.altphotolist.org
> Date: Sun, 21 Feb 2010 11:32:37 -0600
> Subject: [alt-photo] Re: Sky banding - 3800 Printer
> 
> Amy,
> After looking at your print, this isn't roller marks. They are more  
> evenly spaced, narrower and closer together. This is Venetian blind  
> effect. I agree with Don's comments.
> 
> Mark Nelson
> www.PrecisionDigitalNegatives.com
> PDNPRint Forum @ Yahoo Groups
> www.MarkINelsonPhoto.com
> 
> sent from my iPhonetypeDeviceThingy
> 
> On Feb 21, 2010, at 10:53 AM, Don Bryant <donsbryant at gmail.com> wrote:
> 
> > Hello Amy,
> >
> >>
> > I would gladly welcome any suggestions you may have regarding a  
> > recurring
> > issue. I am printing digital negatives on Pictorico transparency  
> > film (Ultra
> > Premium) with an Epson 3800 for use with pt/pd on COT 320 (and  
> > exposing in a
> > Nuarc). For some reason, I am seeing a predictable pattern of  
> > vertical bands
> > visible only in flat areas of high value such as the sky (please  
> > refer to
> > attached jpg). This banding is not visible in the negativeven under
> > magnification, and it is not specific to any one image. To me, the  
> > only
> > logical explanation is my printer. So, I have performed a nozzle  
> > check, head
> > cleaning and head alignment, but all the test results indicate no  
> > problems.
> > I have even wiped down the interior according to the Epson printer  
> > manual
> > instructions, and still the problem persists. What could cause this  
> > banding?
> > I am out of ideas and feeling rather frustrated . . . help!?
> >>
> >
> > First of all I don't have a solution to your dilemma. The purpose of  
> > my post
> > is to acknowledge a similar problem I've had in the past with vertical
> > banding in the sky areas AND ONLY the sky areas when printing a  
> > specific
> > image.
> >
> > The odd thing for me was that the banding occurred only in the sky  
> > portion
> > of the image (a very small area of the over all image size) and did  
> > not
> > extend into any other area of the image. T tried all of the remedies  
> > and
> > could never resolve the problem. The problem was printer related (or
> > computer/driver/printer related) since I could print the image with no
> > issues on a friends 3800 and 7800 successfully.
> >
> > It was a very queer problem, one that hasn't occurred since. In your  
> > case
> > the problem is persistent so I would suggest testing with a  
> > different media
> > or adjusting the platen gap. Try some cheap glossy paper and see if  
> > the
> > problem persists. If you can't resolve the problem you may want to  
> > return
> > the printer to the mother ship for adjustment and recalibration.
> >
> > Don Bryant
> >
> >
> > _______________________________________________
> > Alt-photo-process-list | http://altphotolist.org/listinfo
> _______________________________________________
> Alt-photo-process-list | http://altphotolist.org/listinfo
 		 	   		  
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