If print is your goal, the size of the output makes a difference. Memory requirements go up as resolution and print size go up. As scanners have become cheaper, the length and quality of the warranty appears to have also declined. Less expensive scanners are almost disposable. The upper end scanners may have a year warranty but ninety days is not uncommon.
Some warranties cover replacement rather than repair.
Believe me, after you become accustomed to a scanner, not having one seems like a hardship. Your wish list includes your secret desires for your scanning repertoire. Think high and discover where your interests lie. This article is an effort to assist you in buying your first scanner. Someday I ll write a book on the Joy of Scanning and cover faxing, photo e-mails, electronic file systems, stitching photos together, printing your own business cards and letterhead, and three dimension photos.