Summary: This is one of the most disappointing pieces of junk I've bought in a while. We bought this scanner for its negative/slide/photo scanning capabilities. It did all of those things well until the warranty ran out. Then without warning it just stopped functioning. I can turn it on and it sits and makes a high-pitched squealing noise and that's about it. It did great quality scans, but for the price I'd expect a bit more life out of it.
Summary: For the past 8 years I used (pretty much daily) and LOVED my ScanMaker 3800. So my expectations were high. Boy was I ever disappointed? The drivers refuse to stay operable, so I have had to uninstall and reinstall them over a dozen times? Both the COPY and DIGITAL ICE quick buttons on front refuse to work? After spending 2 hours (the privilege I had to pay $12 for!!) with tech support they tell me it won't work because of my 3-in-1 HP printer?
Summary: The absolute worst online purchase I have ever made. The software included was not the software advertised or included with the manual, and after a month of contacting their support team (e-mail only, no phone number to talk to a real person) I returned the product. I was unable to make the first scan with their software. Needless to say I wasted many man hours and will never purchase another Microtek product in the future.
Summary: I bought this new and it's a complete nightmare. I upgraded to Snow Leopard shortly after buying it and it's useless. They say they have a driver for Snow Leopard but it doesn't work. The company obviously wants you to buy a new product every time you upgrade your operation system. STAY AWAY!!!
Summary: I purchased the i800 Pro because it has a transparency scanning function I need for dental xrays. The machine has a nice array of what appear to be handy buttons on the front. The documentation refers to a Microtek Scanner Configuration utility that is needed to program these buttons. Guess what? There is no such utility included on the installation CD. Trying to find the utility on their web page was an exercise in futility.
Summary: I bought this scanner to use for high-volume scanning for a professional video project. This scanner is so slow that the person I hired to do the work BOUGHT A DIFFERENT SCANNER AT HIS OWN EXPENSE TO AVOID USING THIS ONE!!!! EVERY time you start a scan this machine recalibrates itself and that alone takes about 90 seconds. This is true EVEN if you are scanning a series of images that are all the same size, format, type, etc.
Summary: I have had this scanner since March of 2007. But, I cannot use it because Microtek does not have a driver for Vista and the scanner does not work. Do not buy this scanner. The company's support is abysmal; it is non-existent. They have done absolutely nothing to get the scanner working despite calls and provide no information. The date that the drivers were to be ready has come and gone. An expensive doorstop.
Summary: I purchased this Microtek i800 photo scanner because I wanted to do high quality 35mm-4X5 film and transparency scans. Once again this product proved the negative maxim of purported "universal" solution solving products. I am interfacing this i800 scanner with a PC laptop computer that runs Microsoft XP(Home edition)at 1.4 GHZ with 1GB of ram and a 30GB hard drive. The negative comments made by other Amazon reviewers are right on the money.
Summary: FYI- I have purchased  Microtek scanners over the past few years and although the scanners have performed great the customer service is lacking. When I upgrade my operating system the scanner no longer works and Microtek tells me it does not offer a driver that is compatible. This makes the scanner useless.
Summary: Unit came in with dirty scanner glass, and scanned with off color along one side. Shortly after install, unit failed to work. New drivers didn't help, nor did their customer service: no phone calls, only email, and no response after two weeks! Fortunately I was able to send the unit back and get a refund. Buy HP, not Microtek!!!