Epson Expression 1680 User Manual Page 1

Reference GuideColor Image ScannerAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in

1-2 Optimizing Scanning6. Manually adjust the tone curve for individual colors in the Tone Correction dialog box. See “Making tone curve settings” on

Options 4-314. Secure it with the retaining screws.5. Reconnect all cables.Understanding IEEE 1394 connectionsThe Scanner I/F Card is equipped with tw

4-32 Options1. Connect one end of the cable to any available IEEE 1394 port on the Scanner I/F Card.2. Connect the other end of the cable to the IEEE

Maintenance and Troubleshooting 5-1Chapter 5Maintenance and TroubleshootingMaintenanceCleaning the scannerTo keep your scanner operating at its best,

5-2 Maintenance and TroubleshootingCaution:❏ Be careful not to scratch or damage the glass of the document table, and do not use a hard or abrasive br

Maintenance and Troubleshooting 5-3Preparing the scanner for transportation1. Make sure the transportation lock lever is in the UNLOCK position.2. Ali

5-4 Maintenance and TroubleshootingProblems and SolutionsMost problems you encounter while operating your scanner and software have simple solutions.

Maintenance and Troubleshooting 5-5Command errorThe scanner has received incorrect commands from your scanning software.When this error occurs, try to

5-6 Maintenance and TroubleshootingScanner operation problemsProblems you may have while using the scanner often involve the operation of your softwar

Maintenance and Troubleshooting 5-7❏ For SCSI interface users, make sure the scanner’s SCSI ID and terminator are set correctly. See your online Setup

5-8 Maintenance and Troubleshooting❏ Make sure the computer has enough memory for your software. If the computer does not have enough memory available

Optimizing Scanning 1-3The pointer changes to an eyedropper, with movement restricted to within the Preview window.3. Move the eyedropper to the locat

Maintenance and Troubleshooting 5-9Scanning does not start by pressing the Start button.❏ For Windows 95, NT 4.0, and Macintosh users, make sure the S

5-10 Maintenance and Troubleshooting❏ When connected using the SCSI interface, make sure to turn on the scanner and then your computer.❏ Make sure tha

Maintenance and Troubleshooting 5-11Note:If you use IP addresses from these ranges, you will not be able to connect this LAN to the Internet in the fu

5-12 Maintenance and TroubleshootingPaper jams in the Automatic Document Feeder.Follow these steps to remove the jammed paper.1. Open the Automatic Do

Maintenance and Troubleshooting 5-132. Pull forward on the jam-release lever and slowly pull the jammed paper out of the feeder mechanism. (Be careful

5-14 Maintenance and TroubleshootingQuality problemsThe image is distorted or blurred.❏ Make sure the document is uniformly flat against the document

Maintenance and Troubleshooting 5-15❏ Check the brightness and contrast settings of your computer display.Image is dark, with little or no detail.Sele

5-16 Maintenance and TroubleshootingStraight lines in the image come out jagged.Make sure the document orientation is perfectly straight on the docume

Maintenance and Troubleshooting 5-17❏ Place a transparent sheet between the document and document table to defocus the image.❏ Move or angle the docum

5-18 Maintenance and TroubleshootingPrinted colorsPrinted colors will not exactly match the colors on your monitor, since printers and monitors use di

1-4 Optimizing Scanning2. Click the eyedropper button under Shadow.The pointer changes to an eyedropper, with movement restricted to within the Previe

Maintenance and Troubleshooting 5-19❏ The dark area around the film, such as the frame of the film holder, is perceived as white, which alters the exp

5-20 Maintenance and Troubleshooting❏ When connected using the SCSI interface, make sure to turn on the scanner and then your computer.❏ Make sure the

Maintenance and Troubleshooting 5-213. In Windows Millennium Edition and 98, click the Device Manager tab. In Windows 2000, click the Hardware tab, th

5-22 Maintenance and Troubleshooting1. If an exclamation mark (!) appears beside EPSON Expression1680 under Imaging Device, click EPSON Expression1680

Maintenance and Troubleshooting 5-23If the following dialog appears, browse the CD-ROM for EPSON\(your preferred language)\(your Windows version), as

5-24 Maintenance and Troubleshooting3. Click Close to close the System Properties window.4. Make sure your scanner is on, then restart your computer.5

Maintenance and Troubleshooting 5-25Video cardsA video card that is sufficient for text may not be good enough for displaying graphic images, especial

5-26 Maintenance and TroubleshootingContacting Customer SupportIf your EPSON product is not operating properly and you cannot solve the problem using

Technical Specifications A-1Appendix ATechnical SpecificationsScanningScanner type: Flatbed, colorPhotoelectric device: Color CCD line sensorEffective

A-2 Technical SpecificationsImage data: 16 bits per pixel per color internal1 to 16 bits per pixel per color externalBrightness: 7 levelsLine Art sett

Optimizing Scanning 1-5Making the Gamma settingGamma is the difference in contrast between the light tones and dark tones of an image. Changes in the

Technical Specifications A-3ElectricalNote:Check the label on the back of the scanner for voltage information.EnvironmentalNote:Specifications are sub

A-4 Technical SpecificationsStandards and ApprovalsLow Voltage Directive 73/23/EECEMC Directive 89/336/EECEN 60950EN 55022 Class BEN 55024EN 61000-3-2

Technical Specifications A-5SCSI InterfaceInterface type: ANSI X3T9.2/375R Revision 10L (SCSI 2)Functions: BUS FREE phaseARBITRATION phaseSELECTION/RE

A-6 Technical SpecificationsUSB InterfaceConfiguration:Interface type: Universal Serial Bus Specification Revision 1.0Element DescriptionDevice Full S

Technical Specifications A-7Option Interface ConnectorInitialization MethodsThe scanner can be initialized (returned to a fixed set of conditions) in

A-8 Technical SpecificationsUSB Transparency UnitElectrical Specifications:Hardware initializationThe scanner is turned on.The USB cable is unplugged

Technical Specifications A-9Automatic Document FeederReflective up to 8.5 × 11.7 cmReadable area: 216 × 297 mmDimensions: Width: 324 mm Depth: 540 mmH

A-10 Technical SpecificationsIEEE 1394 Scanner I/F CardConnector pin signal layout:Dimensions: Width: 310 mmDepth: 528 mm Height: 92 mm Weight: Approx

Technical Specifications A-11Power class:Power class code 100No power supply from external sourcesFitted with a repeat function with bus powerEnvironm

Glossary 1Glossaryadditive primary colorsThe colors of red, green and blue (RGB) - which give the perception of white when combined equally. These are

1-6 Optimizing ScanningClick the Tone Correction button in the Preview window, then select a preset tone curve from the Tone Curve Name list. The pr

2 GlossaryditheringA process in which software or an output device simulates continuous tones with groups of dots.documentThe item, such as a sheet of

Glossary 3interfaceA piece of hardware, a method, or a standard used for connection between or among computer devices.moiréA moiré is a cross-hatch pa

4 Glossarysubtractive primary colorsThe colors of cyan, magenta, and yellow (CMY) which produce black when mixed in certain amounts. In printing, blac

Index 1IndexNumerics120/220 film 4-1012-bit Gray (HiFi) 2-4, 2-524-bit Color 5-2524-bit Color (Std) 2-424-bit Color De-screening 2-4, 2-535 mmfilm hol

2 IndexCoarse image 5-25Colormillions of 5-25true 5-25Color adjustment 2-42Color cast (tinting) 1-7Color management system, Windows 2-20ColorSync 2-20

Index 3GGamma 1-5, 2-38, 2-39Gray balance intensity 1-7, 2-42, 2-43HHalftone 2-6, 2-9Hard disk 5-24Height 2-14High Contrast 1-5High resolution monitor

4 IndexNNon-readable area 5-14Non-standard film sizes 4-15Normal documents (Transparency Unit) 4-16OOCR (Optical Character Recognition) 1-11, 2-4, 2-5

Index 5IEEE 1394 A-10scanning A-1SCSI interface A-5standards and approvals A-4USB interface A-6sRGB 2-20Standards A-4Start button 3-1, 3-2, 3-4Storage

Optimizing Scanning 1-7Adjusting ColorColor adjustments should be made after adjusting settings related to brightness and contrast. Color settings sho

1-8 Optimizing Scanning4. To change the gray balance intensity level of the color you selected, move the slider left or right, or enter a value in the

Optimizing Scanning 1-9Making tone curve settingsAfter you have made the other color settings described in this section, you can use the tone curve to

1-10 Optimizing ScanningTo change the tone curve back to its default, select Linear from the Tone Curve Name list.To add your settings to the Tone Cur

Optimizing Scanning 1-111Improving Text Scanning for OCRThis section gives you suggestions and recommended settings in order to improve OCR (optical c

2

1-12 Optimizing Scanning4. Use the Threshold slider to change the threshold value, monitoring the results of your changes in the Preview window. Depen

Understanding EPSON TWAIN Pro Features 2-1Chapter 2Understanding EPSON TWAIN Pro FeaturesUsing the EPSON TWAIN Pro Main Dialog BoxThe EPSON TWAIN Pro

2-2 Understanding EPSON TWAIN Pro FeaturesNote for EPSON TWAIN Pro Network users:Although the screens shown in this guide are for EPSON TWAIN Pro, the

Understanding EPSON TWAIN Pro Features 2-3Selecting a Document SourceWhen scanning a reflective document placed on the document table of the scanner,

2-4 Understanding EPSON TWAIN Pro FeaturesSelecting an Image TypeUse the Image Type list to select from a variety of predefined and user-defined setti

Understanding EPSON TWAIN Pro Features 2-524-bit Color De-screening24-bit colors, high quality with de-screening to remove moiré patternsNote:A moiré

2-6 Understanding EPSON TWAIN Pro FeaturesImage Type buttonThe Image Type button opens the Image Type dialog box, where you can customize the Image Ty

Understanding EPSON TWAIN Pro Features 2-7Pixel DepthSelect the pixel depth from: 48-bit Color, 24-bit Color, 16-bit Gray, 8-bit Gray, and Black &

2-8 Understanding EPSON TWAIN Pro FeaturesNote:You can see the adjustments made by the Auto Exposure feature in the Preview window. For details on usi

Understanding EPSON TWAIN Pro Features 2-9❏ When you need neither Text Enhancement Technology nor Auto Area Segmentation, select None. HalftoneSelect

Contents 3ContentsIntroductionAbout This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1Finding More Information

2-10 Understanding EPSON TWAIN Pro FeaturesDestination listSelect a predefined or custom setting from this list. The predefined settings have the Reso

Understanding EPSON TWAIN Pro Features 2-11If you are using an EPSON Stylus printer and are printing scanned images with the Economy, Normal, or Fine

2-12 Understanding EPSON TWAIN Pro FeaturesDestination NamePredefined and custom setting names appear in the Destination Name list. Select a setting f

Understanding EPSON TWAIN Pro Features 2-13Setting the ResolutionYou can change the resolution for the current scanning operation in the main dialog b

2-14 Understanding EPSON TWAIN Pro FeaturesWidth (W) and height (H) valuesThe Source and Target width and height values are indicated in the selected

Understanding EPSON TWAIN Pro Features 2-15Lock buttonClicking the lock button allows you to scale a selected portion of an image to fit a fixed Targe

2-16 Understanding EPSON TWAIN Pro FeaturesUsing the Settings Dialog BoxClicking the Settings button opens the Settings dialog box, where you can view

Understanding EPSON TWAIN Pro Features 2-17Making Configuration SettingsClick the Configuration button to open the Configuration dialog box, where you

2-18 Understanding EPSON TWAIN Pro FeaturesFast PreviewEnables high-speed loading of the previewed image. If this is selected, the document is scanned

Understanding EPSON TWAIN Pro Features 2-19Color menuClick the Color tab to display the Color menu.This menu allows you to make a variety of settings

4 ContentsUsing the Settings Dialog Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16Making Configuration Settings . . . . . . . . . .

2-20 Understanding EPSON TWAIN Pro FeaturesDisplay GammaYou can change the gamma value for your monitor by typing a value in the Display Gamma box, or

Understanding EPSON TWAIN Pro Features 2-21❏ If your printer and monitor do not support the available color management system, select Color Controls.

2-22 Understanding EPSON TWAIN Pro FeaturesTo use the same color profile that is currently being used by your computer monitor, select Monitor RGB. To

Understanding EPSON TWAIN Pro Features 2-23Densitometer menuClick the Densitometer tab to display the Densitometer menu.Sampling AreaThis setting allo

2-24 Understanding EPSON TWAIN Pro FeaturesOther menuClick the Other tab to display the Other menu.Save Preview Image and SettingsWhen this check box

Understanding EPSON TWAIN Pro Features 2-25Using the Scan ButtonClicking the Scan button while the Preview window is open scans the areas in active an

2-26 Understanding EPSON TWAIN Pro Features2Using the Preview WindowBefore you scan an image, you can use the Preview window to see the effects of mos

Understanding EPSON TWAIN Pro Features 2-27To open the Preview window and the Densitometer, click Preview in the EPSON TWAIN Pro main dialog box.The P

2-28 Understanding EPSON TWAIN Pro FeaturesNote:Although the image in the Preview window changes as you make settings, the settings do not affect the

Understanding EPSON TWAIN Pro Features 2-29Note:❏ The luminosity value is calculated by the following formula: 0.2R+0.6G+0.2B.❏ For more information o

Contents 5Chapter 4 OptionsUsing the Transparency Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1Unpacking the Transparency Unit.

2-30 Understanding EPSON TWAIN Pro FeaturesZoom buttonTo enlarge a selected portion of the previewed image, click and drag the mouse over the portion

Understanding EPSON TWAIN Pro Features 2-31Making and modifying marqueesTo create a marquee, move the pointer over the image in the Preview window. Th

2-32 Understanding EPSON TWAIN Pro FeaturesTo select several marquees at once, click each marquee while holding down the Ctrl key (for Windows) or the

Understanding EPSON TWAIN Pro Features 2-33Moving marqueesTo move the active marquee, move the cross-hairs inside the marquee until the cross-hairs ch

2-34 Understanding EPSON TWAIN Pro FeaturesNote:When the Preview window is active, you can also delete the active and selected marquees by pressing th

Understanding EPSON TWAIN Pro Features 2-35Note:❏ The Auto Locate feature is automatically activated when scanning without previewing.❏ The Auto Locat

2-36 Understanding EPSON TWAIN Pro FeaturesUsing the Adjust ButtonsThe Adjust buttons described in this section offer you a powerful means of improvin

Understanding EPSON TWAIN Pro Features 2-37Auto ExposureClick the Auto Exposure button to optimize the exposure for the entire image, or for areas s

2-38 Understanding EPSON TWAIN Pro FeaturesImage ControlsClick the Image Controls button to open the Image Controls dialog box. This dialog box allo

Understanding EPSON TWAIN Pro Features 2-39ExposureThe Exposure setting lightens or darkens an image. You can select from -10 (darkest) to 20 (brighte

6 ContentsAccelerator boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24Video cards. . . . . . . . . . . . . . . . . . . .

2-40 Understanding EPSON TWAIN Pro FeaturesClick the eyedropper button beneath the slider, and the mouse pointer changes to an eyedropper. Move the ey

Understanding EPSON TWAIN Pro Features 2-41Note:❏ The Tone Correction button is unavailable when one or more marquees are selected in addition to the

2-42 Understanding EPSON TWAIN Pro FeaturesNote:If Pixel Depth is set to Black & White or 8-bit Gray in the Image Type dialog box, you can only se

Understanding EPSON TWAIN Pro Features 2-43Gray Balance IntensityThe Gray Balance Intensity setting removes unwanted color casts and tints by balancin

2-44 Understanding EPSON TWAIN Pro FeaturesIf TPU for Neg. Film or TPU for Pos. Film is selected as the Document Source, the value of the focus positi

Setting Up the Start Button 3-1Chapter 3Setting Up the Start ButtonOverview of Start Button FeaturesWhen your scanner is connected directly to your co

3-2 Setting Up the Start ButtonMaking Windows Millennium Edition, 98, and 2000 SettingsThis section explains how to make settings that control which a

Setting Up the Start Button 3-33. Select your scanner from the list of installed scanners and cameras, click the Properties button, then click the Eve

3-4 Setting Up the Start ButtonNote:❏ Depending on the application, EPSON TWAIN Pro may also open when you press the Start button.❏ Some applications

Setting Up the Start Button 3-52. From the File menu, select Scan Buttons Setting.3. In the Scan Buttons Setting dialog box, click the Start Button Se

Introduction 1IntroductionAbout This GuideThe information in this guide is divided into five chapters, with an appendix, a glossary, and an index prov

Options 4-1Chapter 4OptionsUsing the Transparency UnitThe optional Transparency Unit (B813183) makes it possible to scan transparencies and slides. On

4-2 OptionsRemoving the shipping screwA shipping screw is installed on the Transparency Unit to prevent damage during shipping. Be sure to use the fol

Options 4-3Note:Before transporting the scanner, remove the Transparency Unit and return the shipping screw to its original shipping hole. See “Transp

4-4 Options4. Insert the two installation screws provided with the Transparency Unit into the holes as shown below, and then tighten the screws with a

Options 4-5Preparing transparencies for scanningFour film holders for scanning various types of transparencies are included with this unit.For instruc

4-6 Options35-mm film strips1. Place the 35-mm film strip holder on a flat surface, and remove a strip cover.2. Insert a strip of film in the film str

Options 4-73. Replace the strip cover that you removed in step 1. Repeat steps 1 through 3 for all the film strips you scan.4. Open the Transparency U

4-8 Options❏ When scanning transparencies, store the reflective document mat in the Transparency Unit pocket.Caution:Do not put anything but the refle

Options 4-92. Open the Transparency Unit, then place the slide holder on the document table. Align the slide holder as shown below.3. If the reflectiv

4-10 OptionsYou are now ready to scan the slides using your scanner software.Note:❏ Make sure to select TPU for Neg. film or TPU for Pos. film as the

2 IntroductionFinding More InformationOnline Setup GuideExplains how to set up the scanner and install the scanner software and options. Also gives ba

Options 4-113. Close the cover. Repeat steps 1 through 3 for all the film you scan.4. Open the Transparency Unit, then place the film holder on the do

4-12 Options❏ When scanning transparencies, store the reflective document mat in the Transparency Unit pocket.Caution:Do not put anything but the refl

Options 4-132. Insert the film in the film holder, making sure the glossy (smooth) side of the film is facing down.3. Close the cover. Repeat steps 1

4-14 Options4. Open the Transparency Unit, then place the film holder on the document table and align it as shown below.5. If the reflective document

Options 4-15You are now ready to scan the film using your scanner software.Note:❏ Make sure to select TPU for Neg. film or TPU for Pos. film as the Do

4-16 OptionsNote:❏ Make sure the Transparency Unit is completely closed. Otherwise an option error will occur and scanning will be cancelled.❏ When sc

Options 4-172. Insert the tabs on the reflective paper document mat into the slots on the Transparency Unit and slide the mat into place.3. Position t

4-18 OptionsTo remove the reflective document mat, slide it up and out of the slots on the Transparency Unit. Be sure to store the reflective document

Options 4-19Unpacking the Automatic Document FeederWhen you unpack your Automatic Document Feeder, make sure you have all the parts shown below and th

4-20 Options3. The scanner comes with two installation screws attached; slide the mounting slots on the Automatic Document Feeder forward, underneath

Optimizing Scanning 1-1Chapter 1Optimizing ScanningRecommended Adjustment OrderThe Adjust tools in EPSON TWAIN Pro’s Preview window offer you a powerf

Options 4-214. Insert the installation screws included with your Automatic Document Feeder into the holes in the scanner, then use a coin to tighten t

4-22 OptionsLoading documents into the Automatic Document FeederYour Automatic Document Feeder can automatically load up to 30 sheets of the following

Options 4-23Note:For checks, move the left edge guide to the center until it stops, then place your checks in the tray and move the right edge flush a

4-24 OptionsLoading documents manuallyYou can load documents manually even when the Automatic Document Feeder is installed.To load manually, lift the

Options 4-251. Load the document in the Automatic Document Feeder as described in “Loading documents into the Automatic Document Feeder” on page 4-22.

4-26 OptionsNote:Only set one page of the document at this time. If you set multiple pages at this time, the second page will be fed right after the f

Options 4-27Document conditionsMake sure of the following before feeding a document:❏ Ink on the document is dry.❏ The document has no holes, is not r

4-28 OptionsUsing the IEEE 1394 Scanner I/F CardThe optional IEEE 1394 Scanner I/F Card (B808343) offers high-speed data transfer and flexible connect

Options 4-29System requirementsFor WindowsFor MacintoshInstalling the IEEE 1394 Scanner I/F Card in your scannerTo use your scanner as an IEEE 1394 de

4-30 Options2. Use a cross-head screwdriver to remove the two screws securing the shield plate to the optional interface slot; then remove the plate.