Any device that connects to the computer, such as a printer, scanner, monitor, keyboard or mouse.

Scanning documents

Episode 862

Tom from Riverside, CA

Tom is scanning black/white documents, but he gets a lot of black dots on them. How can he get better quality documents? Leo says that it depends on the software you’re using. There’s a utility called “DeScreen” in some scanner software. A third party program called VUESCAN is a good utility for boosting contrast to get high quality document scans. Also check out


Episode 866

Jim from Northridge, CA

Jim wants to scan some pages and then edit the text. Leo says that’s called Optical Character Resolution (OCR) and it will give you various results. It’ll never be perfect. ReadIris is the best OCR program out there.