I was wondering if anyone else was having trouble with the canon negative carriers. I am scanning 6x6 and 6x4.5 cm velvia and porta 160 VC. I can't seem to get the negatives to stay flat without curling along the length of the strip. I have tried using the black squares provided by canon. I read in a post on the forum that placing some shot bags on the top of the scanner seemed to help but when I look at the clearance from the negative carrier to the top of the scanner there appears to be a big gap even though the top is down all the way. I don't see how this would help since I would not be comfortable putting enough weight to make the scanner top deflect that much.
I wish I could tape the negatives directly to the glass of the of scanner, this is what I do when I'm using my enlarger and I can get the negatives nice and flat.
Also has anyone had good results with ISRD with this scanner? So far I have not been able to get good results. By good I mean that the scanner seems to be able to detect the flaws when I have the dialog box open. But when the scan is done the dust does not seem to be removed from the image.