[alt-photo] Re: Vertical Banding in Prints Produced from Digital Negatives

[Amy Holmes George]

Hi Paul,
Sorry about that—I didn't realized that attachments could not be viewed through the list. So, I have posted it here:
http://picasaweb.google.com/103360756612857524693/VerticalBandingInSky#5440730961233647682 

I just included a cross section of the sky. Hopefully, you can see it now . . .
Amy 

> From: viapiano at pacbell.net
> To: alt-photo-process-list at lists.altphotolist.org
> Date: Sat, 20 Feb 2010 15:20:18 -0800
> Subject: [alt-photo] Re: Vertical Banding in Prints Produced from Digital	Negatives
> 
> Mark, are you thinking the pizza roller marks?
> 
> Amy, can you send a link to the photo? The attachments don't seem to work 
> here...
> 
> Paul
> 
> 
> ----- Original Message ----- 
> From: "ender100" <ender100 at aol.com>
> To: "The alternative photographic processes mailing list" 
> <alt-photo-process-list at lists.altphotolist.org>
> Sent: Saturday, February 20, 2010 3:01 PM
> Subject: [alt-photo] Re: Vertical Banding in Prints Produced from Digital 
> Negatives
> 
> 
> Hi Amy,
> 
> Most likely if they are of even width and evenly set apart it is the rollers 
> making a mark on the negative. They might need to be cleaned or you may need 
> to increase the drying time between head passes. Others may have more 
> suggestions.
> --
> Best Wishes,
> 
> Mark Nelson
> Precision Digital Negatives
> PDNPrint Forum @ Yahoo Groups
> 
> Mark Nelson Photography
> 
> 
> On Feb 20, 2010, at 4:58:12 PM, "Amy Holmes George" <amyhgeorge at hotmail.com> 
> wrote:
> 
> 
> Hello all,
> 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!?
> Thank you,Amy
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