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photos come out with a white stripe on them

Mindaugas Kiaupas , May 15, 2009; 10:51 a.m.

Hello,
Just receintly bought a SX-70 camera and made a few test pictures using ArTistic paper. All of them has a white strip and something like "drop-like light leaks".
You can see the examples here:
http://picasaweb.google.com/mindkal/Test#5336061648415560898
Can somebody help me with explaining what is wrong and if this can be repaired?
Thank you.
Mindaugas

Responses


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Daniel Goodale-Porter , May 15, 2009; 11:42 a.m.

Well, at least it is consistent. Since it is in the same spot, I'd suspect dirty rollers. Take a look and clean with some houshold cleaner or alcohol.

Mindaugas Kiaupas , May 15, 2009; 04:02 p.m.

Thanks Daniel, I'll try when I finish the first pack.
Mindaugas

Jim Momary , May 15, 2009; 08:45 p.m.

Isn't the line shown going perpendicular to the feed direction out the of the rollers? If it were dirty rollers, the stripe would be parallel to the feed direction of the print popping out of the camera.
Am I off base here?

Jim.

Mindaugas Kiaupas , May 19, 2009; 06:44 a.m.

So I cleaned the rollers and "drop-like light leaks" disappeared. In fact some white material had formed on one of the rollers which were clearly visible and after cleaning which there are no 'leaks'.

However the line still is present.
Jim, the line is parallel to the feed direction as you can see in the attached photo.

However this is n't caused by dirty rollers - I cleaned them well and they look clean. As I am totally new to using this camera (and to polaroids in general:), I would be very grateful if somebody could suggest how to try to get rid of that photo crossing line.

Mindaugas


example of the line on the photo

Jim Momary , May 19, 2009; 09:03 a.m.

I am still confused. Look at the attached example below.
Does the arrow not show the direction that the photo is ejected by the camera?
If that is the case, my 'white lines' are going to be in that same direction ... if the cause is related to the rollers making stripes. It should not go across the photo from left to right. Am I correct in assuming how the photo is kicked out by the camera?
Jim.


Polaroid ejection direction question ...

Mindaugas Kiaupas , May 19, 2009; 09:16 a.m.

Yes, the arrow shows the ejection direction... now I understand, my saying that 'the line is parallel to the feed direction' was incorrect as the line really is perpendicular. Sorry for confussion :) Well, in this case I guess the line isn't caused by the rollers.

Daniel Goodale-Porter , May 19, 2009; 09:17 a.m.

Jim,
I see what you are saying. I guess it still could be perpendicular to film path if the roller had some sort of buildup along the length of the roller. I suspect if that were the case, you would get multiple lines on the image.
Well, I guess we are back to a light leak of somekind?
Mindaugas, Did you try a different pack of film? Maybe it is a flaw in the film pack?

Mindaugas Kiaupas , May 19, 2009; 09:27 a.m.

Yes Daniel, I changed the film pack to the same sort of ArTistic paper. Soon 600 film pack should arrive and I'll see if there will be any difference.
The rollers seems to be clean now, otherwise they would create multiple lines, as you say.

Patrick Dempsey , May 27, 2009; 04:51 a.m.

The line could be the result of faulty handling, possibly even during manufacturing, especially if it shows up in one film pack and not another. Polaroid film is pressure sensitive, so always be careful handling the packs and never put pressure directly on the film itself.


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