You are to go randomly from model number to model number until something you more or less like turns up. Tiring of this, I got in my car and went to compUSA, where a salesperson who knew a little convinced me to try an Epson - annoyingly noisy, if dirt cheap, as it turned out when I had lugged it home. I hope she gets this message. A good site, like a good salesperson, should be able to begin from a customer's vague description of needs, hone in on crucial details that matter, and then come up with a selection of suitable models. You must be a member to post.
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Virtually every manufacturer has a website. Virtually every one is terrible at helping you find what you need.