Epson Expression 13000XL Users Guide - Page 25

Basic Scanning > Scanning Using Epson Scan 2 > Setting a Resolution That Suits the Scanning Purpose Setting a Resolution That Suits the Scanning Purpose Advantages and Disadvantages of Increasing the Resolution Resolution indicates the number of pixels (smallest area of an image) for each inch (25.4 mm), and is measured in dpi (dots per inch). The advantage of increasing the resolution is that the details in the image become fine. The disadvantage is that the file size becomes large. ❏ File size becomes large (When you double the resolution, the file size becomes about four times larger.) ❏ Scanning, saving, and reading the image takes a long time ❏ Sending and receiving emails or faxes takes a long time ❏ The image becomes too large to fit the display or print on the paper List of Recommended Resolutions to Suit Your Purpose See the table and set the appropriate resolution for the purpose of your scanned image. Purpose Displaying on a screen Sending by email Film Archiving Using Optical Character Recognition (OCR) Creating a text searchable PDF Printing using a printer Sending by fax Resolution (Reference) Up to 200 dpi 1,200 to 2,400 dpi 200 to 300 dpi 200 to 300 dpi Recommended Resolutions for Scanning Film to Print Film Size 35 mm film strips Mounted slides KG size A4 A3 A2 A1 A0 Printout Size Resolution (Reference) 1,200 dpi 2,400 dpi 3,200 dpi 4,800 dpi 6,400 dpi 6,400 dpi 25