User manual EPSON GT-5500

[. . . ] Scanner Parts document cover carriage (in the home position) document table OPERATE button RESET button lights transportation screw SCSI ID rotary switch * 7 6 01 54 2 3 ON SCSI SCSI SW storage hole SCSI interface connectors AC inlet terminator switch ® GT-5500 Color Image Scanner 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. [. . . ] If the lamps break or become too dim to operate normally, the scanner stops working and both the READY and ERROR lights flash. When this happens, the lamp assembly must be replaced. For details, contact your dealer. c Caution: Never open the case of the scanner. If you think repairs or adjustments are necessary, consult your dealer. Transporting the Scanner If you transport the scanner a long distance or store it for an extended period, follow the steps below to secure the carriage. Turn on the scanner and wait until the carriage moves to the home position (position nearest the cover hinge). Remove the transportation screw from the storage hole marked STOCK and screw it into the center hole. SCSI 7 *0 6 1 2 3 54 SCSI ON SW Note: If the scanner is broken, the carriage may not automatically return to the home position. If it does not, raise the front of the scanner and hold it up until the carriage comes to rest in the home position. Then perform step 2 above. Maintenance and Troubleshooting 3-3 Problems and Solutions This section divides scanner problems into three categories: Error indicators . . . . . . . . . . . . . . . . page 3-4 Operating problems . . . . . . . . page 3-5 Quality problems . . . . . . . . . . . . . page 3-7 See the table in "Error indicators" first, and if the information there does not help you solve the problem, go to the category for the type of problem you have and look for the description that most closely matches the problem. Error indicators If an error occurs, the scanner stops operating and the READY and ERROR lights show the type of error. Pattern of lights ERROR READY Problem and solution Cause: The scanner has received incorrect commands from your scanning software. What to do: Check your software settings and try scanning again. The scanner returns to normal when it receives correct commands. Cause: ERROR READY The interface setup is wrong, or the scanner is not properly connected to the computer. What to do: Check the interface connection. Then push the RESET button or turn the scanner off and back on to reset it. Cause: ERROR READY The transportation screw has not been removed. Or, one or more fluorescent lamps need to be replaced. What to do: Check that the transportation screw has been removed; then push the RESET button. If the scanner still does not operate properly, try turning the scanner off and then back on. If the scanner still does not operate properly, or if this error occurs repeatedly, consult your dealer. o o f n f f o = on, n = off, f = flashing 3-4 Maintenance and Troubleshooting Operating problems The problems you may have while using the scanner often involve the operation of your software and computer. Operation problems usually occur because of: u u Incorrect setup of the interface (see Chapter 1). Inappropriate selection of the scanner functions (see your software manual). Incorrect setup of your computer or software (see Chapter 1 in this guide or the software manual). Incorrect operation of your software (see your software manual). u u Also see the documentation that came with your computer and printer for possible solutions. [. . . ] A system of commands that allows you to control image scanners from your software. ESC/P Abbreviation for EPSON Standard Code for Printers. A system of commands that allows you to control printers from your software. grayscale Images represented with various shades of gray in addition to black and white. halftoning A method of reproducing images with patterns of dots to improve the quality of the output. home position The position at the rear (nearest the cover hinge position) of the scanner where its carriage rests before a scanning operation. imagesetter A device that uses computer files to produce high-resolution text and graphics output on film or paper. These are usually found in service bureaus and printing companies. impact dot printer A printer that transfers ink onto the paper by striking an ink ribbon with a number of small pins. ink jet printer A printer that transfers ink onto the paper by spraying it through a number of small nozzles. interface A piece of hardware, a method, or a standard used for connection between or among computer devices. line sequence A type of color scanning that separates primary colors line by line. The carriage makes only one pass. monochrome Black and white images, or images represented only by the intensity of luminosity. 2 Glossary page sequence The type of color scanning in which the entire image is scanned once for each separation color. pixel Short for picture element. [. . . ]