Photographs, loose papers, book pages, and other objects that can rest flat on the scanner’s surface can all be scanned using a flatbed scanner. The devices have user-friendly application programmes and are compatible with Windows, Mac, and Linux systems. There are many manufacturers of flatbed scanners, including Hewlett-Packard, Epson, and Microtek.
Sizes of Scanners
If you place the document on the device’s glass platform, it can be scanned up to 8.5 inches by 11.7 inches. The scanner can scan a document that is 8.5 inches by 14 inches when using an automatic document feeder, or ADF. There are flatbed scanners that can scan documents up to 12 by 17 inches and greater sizes as well.
Documents scan flat on the glass platform of the device rather than passing through a sequence of feed rollers like they would with a drum scanner. This lessens the possibility that the documents will be harmed or stuck in the rollers of handheld or drum scanners. Flatbed scanners are also perfect for scanning tear-prone books, documents, and ancient or delicate images.
Range and Attachments Scanning
When employing an ADF unit, flatbed scanners may capture all of the information on a document without requiring you to flip it over. Both sides of the sheet are automatically scanned by ADF units. Transparent Media Adapters, or TWAs, enable flatbed scanners to scan film negatives as well. Glass negatives can also be scanned by TMA devices.
Speed and effectiveness
Only black text documents can be scanned by the devices up to a speed of about 27 pages per minute. The rate is roughly 11 pages per minute when scanning documents with colour features. The number of pages per minute varies by scanner model and accessory. One or more buttons on the front of flatbed scanners enable you to scan and copy without having to open the devices’ application program.
Quality of Scan
Some flatbed scanners can scan at a resolution of 1,200 dots per inch or greater, though resolution settings vary from model to model. The device’s application programme allows you to manually change the bit colour rating as well as the DPI rating. Additionally, you can choose to scan a colour document in black and white.
A Universal Serial Bus connection is used to connect flatbed scanners to your computer. There are still some older parallel port-connected flatbed scanners available. Some flatbed scanners can even connect to computer networks, enabling them to be accessed by numerous computers and users.