Summary: I purchased this unit a couple of years ago, because I did not want an all-in-one type printer. As a scanner it's more versatile, and can be used just about anywhere. For me, it solved a lot of problems. I like it very much.
Summary: I don't know why these mooks are giving this scanner one star. At worst its average. I work at a print shop I do graphic design and art. This thing is amazing. Granted the software sucks for new macs, but it is so versatile. For the folks complaining about depth raise the contrast to 1 or 2. I've had mine for almost 7 years? at LEAST 7 years. I bought it on clearance from Office Depot for 12 dollars.
Summary: I bought my ScanJet 4670 new several years ago, and it's been nothing but rock-solid ever since. I've scanned tons of text, lots of color photos, portfolio clips and more. It's true, it isn't the fastest printer at very high resolutions. However, adjusted properly for B&W scanning or scanning for the Web, it's not that slow at all.
Summary: This scanner took me a while to find but, it was worth the searching for. It has a bunch of features that are unique to it. I love that it comes with the negative/slide adapter and that it is small and light weight. If HP could make one wireless, wow!!!
Summary: I have had this for several years and find it very useful. The slide/negative attachment works well (my mother is in the process of scanning boxes and boxes of old slides), and the transparent scanner that can be lifted off the stand and moved to wherever you need it is very handy for scanning parts of books and other not-easy-to-put-in-a-scanner objects.
Summary: Too bad that HP only manufactured this model for a couple of years. I have owned two of these and would buy a few more should my current break down. They are really high tech in their appearance; have had many friends see and ask,"What is that neat looking thing?" The scanner itself is unique in that you can place it over an object and basically perform a 3-D scan of anything.
Summary: Although we are trying to figure out how to get rid of 2 thick vertical lines that are showing up when we scan, the overall quality of the scanned document is excellent. Because it is a flat bed scanner, we are able to put it on top of construction plans and scan specific sections. This is an excellent product!!
Pros: I scan people for portraits, odd-shaped things for museum exhibits, and over-sized graphics/books. With additional power cords you can "travel" with it like NO OTHER scanner will allow and get effects that NO Camera will produce!
Cons: None in my experience. Any color glitches can be corrected with photoshop as easily as saving scans as tif files. I've never had graininess problems, even printing scans at 16" x 20".