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Hi Harvey, I'm not a Trident expert, but I don't generally think lower resolution screen scans with banding must be generated by software. Your 4500 hardware has many ways to be out of adjustment also to create banding. The focused illuminator can be out of focus or not centered; The aperture wheel could be stuck on a small aperture even when scanning at low resolution; etc. etc. You can check the illuminator by using the scanner front panel buttons to do a manual focus. Move the carriage to a position over some clear spot on the drum and; put the scanner in the transparency focus adjustment; Then move the mirror level back so can view the focus through the "view finder or bomb sight"; if when you look you see the bright part of the image anywhere except the center of the view finder then this is wrong and it will definitely contribute to banding. The optics alignment is adjustable as are almost aspects of your scanner. Certainly as your question implies, software data buffer processing for USM, Scaling or Rotation can cause similar things at data buffer boundaries, but there is no reason to assume those kind of things must be the problem until you have thoroughly checked the equipment. If you wish to discuss the Aztek's hardware refurbishment and certification or software alternatives that we have for your Howtek 4500 scanner, please don't hesitate to contact me directly at email@example.com or 1-800-GRAPH-55 Best Regards and Good Luck Phil Lippincott Aztek. SKID Photography wrote: > In Trident 4.0 (with a Howtek 4500) in the pre-scan view, should I be seeing > extremely obvious banding? > > I always assumed that this was normal, but now, I thought I'd ask. > > Harvey Ferdschneider > partner, SKID Photography, NYC > > - > Turn off HTML mail features. Keep quoted material short. Use accurate > subject lines. http://www.leben.com/lists for list instructions. - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.