Welcome to the EPSON Reference Guide

This software Reference Guide is your on-screen guide to your Expression 1680 scanner. By clicking the links on the left side of this screen, you can get information on the following topics.

Optimizing Scanning

Instructions for improving the quality of scanned images and text.

Understanding EPSON TWAIN Pro Features

Detailed explanations of EPSON TWAIN Pro and EPSON TWAIN Pro Network scanner software.


Information on the options available for your scanner and instructions on installing them.

Setting Up the Start Button

Instructions for setting up the start button feature.

Maintenance and Troubleshooting

Information on taking care of your scanner, and solutions to problems you may be encountering.

Technical Specifications

Detailed specifications on your scanner.

Copyright and Licensing Information

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. No patent liability is assumed with respect to the use of the information contained herein. Neither is any liability assumed for damages resulting from the use of the information contained herein.

Neither SEIKO EPSON CORPORATION nor its affiliates shall be liable to the purchaser of this product or third parties for damages, losses, costs, or expenses incurred by the purchaser or third parties as a result of: accident, misuse, or abuse of this product or unauthorized modifications, repairs, or alterations to this product.

SEIKO EPSON CORPORATION and its affiliates shall not be liable against any damages or problems arising from the use of any options or any consumable products other than those designated as Original EPSON Products or EPSON Approved Products by SEIKO EPSON CORPORATION.

EPSON is a registered trademark of SEIKO EPSON CORPORATION.
IBM and PS/2 are registered trademarks of International Business Machines Corporation.
Apple, Macintosh, Mac, iMac, and Power Macintosh are registered trademarks of Apple Computer, Inc.
Microsoft and Windows are registered trademarks of Microsoft Corporation in the United States of America and other countries.

General Notice: Other product names used herein are for identification purposes only and may be trademarks of their respective companies.

Copyright © 2000 by SEIKO EPSON CORPORATION, Nagano, Japan.