I've noticed what appears to be a rather prominent grain pattern on my type 52 p rints. The pattern is similar to what you'd see on an enlarged 35mm print. I was n't expecting to see grain on a 4x5 direct print! My best guess is that there is something on the rollers, but inspection doesn't show any gunk or other residue . Can anyone suggest another source of the grain, or otherwise describe a ver y thorough method of cleaning the rollers? Thanks.
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