User`s Manual
Contents
1. Click on the Highlight Shadow button to access the Highlight Shadow Levels dialog box You can type values in the text boxes or you can place the mouse cursor over the line click the right mouse button and drag the line to specify the values you want 6 18 Highlight Shadow Levels mee dd fo Glaao Hess Es Ee Use the Highlight and Shadow settings together to extend the range of color and reveal more details in a color image 6 2 6 16 CURVES When you select the Curves button a dialog box appears that allows you to adjust the midtone of the image without losing details in the lightest and darkest areas Select the Curve or Line button depending on if you want a curved or an angled setting Place the mouse cursor over the line click the right mouse button and drag the line to set the curve you want x Channel RGB Reset Input Text Output Text vlad 6 3 6 17 COLOR BALANCE When you select the Color Balance button a dialog box appears that allows you to adjust the color of the image so that it comes close to that of the original The default parameters are used to adjust the image You can type values in the Color Levels text boxes or you can drag the sliding arrow under the color CL x Color Levels jo jo fo Reset C Red yan 4 Magenta Green T i Yellow Blue _ Cancel 6 4 Hue Saturation Lightness Click on this button to ad2. Gee Ee ee eed 6 6 INVERT IMAGE i s ee ese ede Ee DE ee Gee Ge ee ee eg LEE ee ee 6 7 MIRROR ccs 6 14 6 8 PREVIEW AUTO AREA sagesse ss aag ee ee ee ee ee ee ee ee ee ee ater 6 15 6 9 PAPER SIZE SE EG EE GE Ge Re ee Rk ee Be ee tee 6 15 6 10 GE Su N N 6 15 6 11 DESCREEN SEE BEE GE IS Bek BS GE Ee De Ge ee ee 6 16 612 SHARPENS GE Re Dee Ee ee Ge ee Ge Ee Ge Ge de 6 17 6 13 COLOR ADJUSTMENT see 6 17 614 N Gn 09 AU AE EE OE OE 6 18 6 15 ADVANCED SETTINGS sese 6 18 616 EURVESII SE ee Ge Ge ee Ge 6 3 6 17 COLORBALANGE sk n Ge BG oe eb costes ee Bee ee BG Ee 6 4 6 18 COLORDROP OUT ees ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 6 6 6 19 CUSTOM SETTINGS sese eee 6 7 6 20 MISCELLANBOUS si codecs ee GE Re Ge eg Ee Gee n coded ca ee ee Ee oe ee eg EE ee eed 6 9 ISIS INTERFACE OPERATION ss sss ss sss esse se ee esse ee ee ss se ee ee ee 7 1 CARE AND MAINTENANCE ccssssscssssscccssssccsssscccessssccesseee 8 1 8 1 CLEANING THE A DE ee RT Re ee RTS TE eg ee Tena 8 1 8 2 CLEANING THE GLASS ee ees ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 8 2 8 3 REPLACING THE ADF DETACHABLE PAD MODULE see 8 3 TROUBLESHOOTING scccsssssccsssscccssscccsssscccssssscsesssscsssssees 9 1 9 1 FREQUENTLY ASKED QUESTIONS sse 9 1 9 2 TECHNICAL SERVICE ese ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 9 4 vi 1 INTRODUCTION Congratu
3. and the image file size 6 2 Be aware that the greater resolution takes more time memory and disk space therefore up to a certain degree of dpi the resolution will not visually be improved and on the contrary it makes your files more unmanageable Resolution 100 dpi 6 3 Tips 1 For your information an Ad size color image scanned at 300 dpi at True Color mode consumes approximately 25 MB of disk space A higher resolution usually means over 600 dpi is recommended only when you need to scan a small area at True Color mode 2 You can also refer to the following table to choose a proper resolution while applying your image to other application Resolution Scanner Settings dpi Application Scan Your Color True Color 100 Picture genie Document OCR Stands for Optical Character Recognition the process to convert an image to a text format 6 4 6 3 SELECTING A PROPER IMAGE TYPE Select image type through the mode from the scanner user interface for your own purpose Each image type described as follows Line art Black and White LineArt presents the image in black and white only and there are no intermediate shades of gray in between That means each pixel of the image is 100 black or 100 white LineArt is the best choice of image type if you want to scan text pen or ink drawing Since only 1 bit of black or white information is required for each pixel the disk space require
4. change You can define the area to be scanned by dragging the cursor lines with the mouse Zoom view Click on the Zoom view button to preview a selected area Scan Click on the Scan button to scan the area with the specified parameters You can define the area to be scanned by dragging the cursor lines with the mouse Exit Click on the Exit button to cancel the current job 6 10 7 ISIS INTERFACE OPERATION The ISIS driver operation method is similar to the TWAIN s Every function on the ISIS interface screen is briefly described as below Scanner Settings Mode r Brightness Black and White Manual C Automatic Dither Bs J Os ET _Darken Norm Lighten 300 Page Size r Contrast A5 14 88 21 0cm z Manual Automatic PIXDFLT Version 55 1 260 851 Ms old 128 Avision PXN Driver V2 01 062402 Mode select one of scan modes including b w options Dither 5 halftone levels available can be di Dots per inch select your desired resolution Paper Size select your desired paper size Default Cancel Area gray color sabled Brightness adjust your scan image brightness or darkness Contrast Adjust the range between the darkest and the lightest shades in the image Default click to reset all settings Area select your desired scan area or position 7 1 8 CARE AND MAINTENANCE 8 1 CLEANING THE ADF Your scanner is designed to be ma
5. For ordering the pad module please consult your nearest dealer and follow the procedure in below to replace it Removing Procedure 1 Open the ADF front cover by pressing the button 2 Remove the ADF detachable pad module by pulling out the upper part of the pad clamp as shown in the figure below Remove the ADF pad in this direction Remove the pad module 8 3 9 TROUBLESHOOTING The scanner will automatically perform a simple self test each time it is turned on This will help spot major system errors in the scanner itself When the test is initiated the READY LED is flashing When the test is completed the READY LED is steadily on If you have problems with the operation of your scanner please check the following troubleshooting hints 9 1 FREQUENTLY ASKED QUESTIONS Question The LED indicates that the scanner is ready but the scanner does not respond to the scan command form the host computer Answer Please check the signal cable is firmly seated and invoke the scan command again If there is still no response please reset the scanner by turning it off and then on again and reboot your host computer as well Question Paper becomes jammed during scanning Answer 1 Open the ADF unit 2 Pull out the jammed paper carefully 3 Close the ADF unit 9 1 Question Answer Question Answer Question Answer Question Answer More than one sheet of paper were fed into the scanne
6. Settings The Configuration Settings tab allows you to customize some special settings Custom Settings zixl Scan Settings Configuration Settings Energy Saving Mode Y Enable 60 Minutes Hint Setting r Color Format F SRGB 6 8 Energy Saving Mode checks the Enable box to enable energy savings You can specify a time delay in the Minutes box Click on the Apply button to save the changes Hint Setting check the Show Hints box if you want to have flags that show the name of an item appear when you place the mouse cursor on an item in the dialog box Click on the Apply button to save the changes 6 20 MISCELLANEOUS Width Shows the current image width Height Shows the current image height Size Shows the current file size of the scanned image Lock scale Click on this button to fix the output width and height despite the selected scan size The scale value automatically changes when you apply this option and simultaneously resize the selected area 6 9 Information Click on the Information button to access a window that gives you information about the scanner and driver Preview Click on the Preview button to scan a document so you can review the scanned image This allows you to specify an area to be scanned and any scanning feature settings to be used for future scans When a scanning feature is changed and applied the Preview image is updated for a real time view of the
7. User s Manual AV8300 Document Imaging Scanner Avision Inc DIN 250 0896 E Rev 1 0 Trademarks Microsoft is a U S registered trademark of Microsoft Corporation Windows and MS DOS are trademarks of Microsoft Corporation IBM PC AT and XT are registered trademarks of International Business Machines Corp Other brands and product names herein are trademarks or registered trademarks of their respective holders Copyright All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of Avision Inc Material scanned by this product may be protected by governmental laws and other regulations such as copyright laws the customer is solely responsible for complying with all such laws and regulations Warranty The information contained in this document is subject to change without notice Avision makes no warranty of any kind with regard to this material including but not limited to the implied warranties of fitness for a particular purpose Avision shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material iii FCC Radio Frequency Interference State
8. d Ce 4 1 In Windows XP click the Next button to continue Peete mat e the med mata te reer 4 When the Finish dialog is prompted click the Finish button Completing the Hardware Update Wizard The moed has irahad rada fa frs ir BB nase sane Windows 9X Windows ME Windows 2000 XP 5 SCANNER OPERATION For TWAIN Application AV500U allows you to operate the scanner from within a TWAIN or plug in software application As the scanner driver is not a stand alone software it has to be started from within a TWAIN ISIS compliant software application and then the scanner driver is able to scan and load the image to your computer The command to start the scanner driver may vary due to different software applications To check the correct command please refer to the user manual of your software application 5 1 USER INTERFACE OPERATION 1 Open your TWAIN scanning application 2 Pull down the File menu and choose Select Source If the Select Source command is not available on the File menu see your application s user s guide to determine how the TWAIN link is used A dialog box with a list of scanning sources appears 3 Select AV8300 Scanner You need to select the source only once unless you want to choose another scanner 4 Place the document to be scanned in the ADF or on the flatbed glass platen 5 Pull down the File menu and choose Acquire A dialog box containing sca
9. d for saving lineArt image is only about 1 24 of that required to save 24 bit true color images 6 5 Lineart Image Pixel A combination of two words picture and element a pixel is a single dot on a computer display or in a digital image 6 6 Halftone In addition to the black and white display Halftone simulates gray scale by using different size of dots Particularly when you view the image at a certain distance it looks very closely like a gray image yet it consumes the least disk space Halftone is the picture that we usually see in newspapers or magazines Since Halftone is one type of black and white image the disk space required to save a halftone image is 1 24 of that required to save a 24 bit true color image Halftone Image 6 7 8 Bit Gray A single channel image consists of at least 256 shades of gray An 8 bit scanner produces a grayscale image with 1024 shades of gray between pure black and pure white Choose this option if you are scanning black and white photographs With 8 bits of color information per pixel the file size of an image is eight times larger than a Black and White image and 1 3 the size of a 24 Bit Color image Gray Image 6 8 8 Bit Color An Bit Color image provides 256 color hues in the image The file size of a 256 color image is 1 3 the size of a 24 Bit Color image 8 Bit Color Image 6 9 24 Bit Color A 24 Bit Color image consists of three 8 bit co
10. e up and make the top of the page to the left side as shown below Feed Direction R3 P Top of Page 3 3 3 4 FIXING PAPER ON THE GLASS BOARD Align the document to the reference mark as indicated Reference Mark Document Lay the paper on the scanner 3 4 3 5 CNNECTING THE CABLES Be sure the scanner power is switched off Connect the power cable ADF cable and USB cable as below pp TTT Power cable USB cable ADF cable Cable Connection Turning on the Power The power is controlled by a toggle switch on the side of the scanner To turn on the scanner press the switch toward 1 3 5 4 IDENTIFY THE USB DEVICE After connecting the cables successfully turn on your computer The computer should detect a new USB device and prompt a New Hardware Found message K New Hardware Found USB Scanner Windows has found new hardware and is locating the software for it Windows 9X Windows ME Windows 2000 XP In Windows 9X or Windows ME confirm that the Search for a better driver is selected and click the Next button Add New Hardware Wizard Windows has found the following new hardware USB Scanner Windows can automatically search for and install software that supports your hardware If your hardware came with installation media insert it now and click Next What would you like to do C Specify the location of the driver Advance
11. ick on the Descreen button to access a drop down menu that allows you to specify the type of document you are scanning in order to eliminate the moir pattern commonly found in printed matter You can specify Newspaper Magazine or Catalog Before Descreen After Descreen 6 16 Moir pattern an undesirable pattern resulting from the incorrect screen angle of the overprinting halftone 6 12 SHARPEN Click on the Sharpen button to access a drop down menu that allows you to specify a level to sharpen the scanned image You can specify a Sharpen setting of Light More Heavy or Extra Heavy 6 13 COLOR ADJUSTMENT Click on the Color Adjustment button to enable the button for the Hue Saturation and Lightness feature NOTE The Advanced Settings button must be enabled in order to use the Hue Saturation and Lightness feature 6 17 6 14 AUTO LEVEL Click on the Auto Level button to add shadow to reveal more details in an image 6 15 ADVANCED SETTINGS Click on the Advanced Settings button to view the advanced settings buttons for Highlight Shadow Curves Color Balance Hue Saturation Lightness Color Drop out and Custom Settings six buttons on the right side of the TWAIN dialog box Highlight Shadow This feature is available when 8 Bit Gray 8 Bit Color or 24 Bit Color is selected on the Image Type drop down menu Highlight refers the lightest point in a scanned image shadow refers the darkest point
12. intenance free However it still needs to be cleaned occasionally to ensure optimum image quality and performance The scanner parts may be contaminated with ink toner particles or paper coatings As a result the scanner needs to be cleaned occasionally particularly in the following cases 1 Documents do not feed smoothly or easily 2 Several documents feed at one time The cleaning procedures 1 Wet a cotton swab with some isopropyl alcohol 95 2 Open the ADF unit as shown below and wipe the upper feeding roller by moving the swab from side to side Rotate the roller forward with your finger and repeat the above cleaning procedures until the entire roller is cleaned Be careful not to snag or damage the pick springs 3 Wipe the pad in the direction from top to bottom Be careful not to hook the pick springs 8 1 8 2 CLEANING THE GLASS The procedures 1 Soak a cotton swab with some isopropyl alcohol 95 2 Open the ADF unit and document cover as shown below Wipe the glass of flatbed and ADF area by moving the swab from side to side 3 Close the ADF unit and document cover Your scanner is now ready for use The cleaning area 8 2 8 3 REPLACING THE ADF DETACHABLE PAD MODULE After scanning approximately 150 000 pages through the ADF the pad spring may be worn out and you may experience problems with document feeding In this case it is highly recommended to replace the pad module with a new one
13. istance Center ATAC Before contact with ATAC please prepare the following information Scanner serial amp revision number located on the bottom of the scanner Hardware configuration e g your host CPU type RAM size free disk space display card interface card etc The name and version of your software application The version of your scanner driver Please call us at US and Canada Area Avision Labs Inc Address 6815 Mowry Ave Newark CA 94560 USA Telephone number 1 510 739 2369 Fax number 1 510 739 6060 Web Site http www avision com E mail support avision labs com Other Area Avision Inc Address No 20 Creation Road Science Based Industrial Park Hsinchu Taiwan R O C Telephone number 886 3 578 2388 Fax number 886 3 577 7017 Web Site http www avision com Email service avision com tw 9 4 10 SPECIFICATIONS All specifications are subject to change without notice Scanner Type Data Output Optical Resolution Light Source Scanning Document Size Interface Power Requirement Power Consumption Dimension Weight ADF Flatbed Desktop scanner 24 bit color up to 600 x 600 dpi Cold cathode fluorescent lamp ADF mode 11 8 x 17 Flatbed mode 11 69 x 17 USB 2 0 24V 2 0A lt 38 4W 514 x 505 x 115 mm WxDxH 19 2 kgs 10 1
14. just the hue saturation and lightness of an image This button is enabled when the Color Adjustment button is selected You can type values in the text boxes or you can drag the sliding arrow under the each item x Hue jo Reset Peset Saturation jo Lightness fo a s Cancel Hue specify a value in the Hue box to adjust the hue up to 360 by clicking on the desired color on the color wheel or selecting a setting on the drop down menu Note that the level of intensity for a color simultaneously changes when the hue adjustment is made Saturation specifies a value in the Saturation box to adjust the saturation level of the color The level of saturation indicates whether the color is pale or rich Lightness specifies a value in the Lightness box to adjust the color strength NOTE These options are available only when The Color Adjustment button is enabled 6 5 6 18 COLOR DROP OUT This feature is available when Black and White Halftone or 8 Bit Gray is selected on the Image Type drop down menu Click on the Color Drop out button to access a dialog box that allows you to choose to remove the R Red G Green or B Blue color channel while scanning IT x None C R Channel C G Channel Cancel C B Channel For example if your image contains red text or a red background choose R channel red to remove the red text or red background This feature is ap
15. lations on your purchase of AV8300 Avision is one of the leading companies which make high quality document scanner To ensure the optimum performance of the scanner please take a few minutes to read through this manual before you install and operate the new scanner The manual contains important information on how to unpack install operate and maintain the scanner properly Figure 2 1 in the next page shows how the scanner is packed Please check if all items are included Fi A aand AV8300 Scanner 1 1 C k Power cable Power adapter _ USB cable Pad GE Ouick Guide CD 1 2 2 SOFTWARE INSTALLATION To run the scanner at rated speed as recommended you must have the following minimum requirements N IBM compatible PC 586 Pentium or higher Microsoft Windows 98 98SE Me 2000 XP N USB port USB 2 0 card recommended N At least 100 MB of free hard disk space N At least 128 MB of system memory N A CD ROM drive 2 1 2 1 INSTALLING THE CD SOFTWARE 1 Insert the supplied CD into your CD ROM The installation menu appears as shown below Install Menu Welcome to scanner setup program Setup will install driver application software to your system You can also view manual within setup program Install Driver Install Application View Manual Note If the Installation menu fails to appear an alternative method is to click the Start button on the task bar choose R
16. lor channels The red green and blue channels are mixed together to create a combination of one billion colors which give a more true to life quality to the image Choose 24 Bit Color if you are scanning color photos 24 Bit Color Image 6 10 6 4 ENHANCING YOUR IMAGE Brightness Adjusts the lightness or darkness of an image The higher the value the brighter the image 6 5 CONTRAST Adjusts the range between the darkest and the lightest shades in the image The higher the contrast the bigger the different gray scales 6 6 INVERT IMAGE The invert command reverses the brightness and the color in the image For color images each pixel will be changed into its complementary color at the command of nvert Original 6 7 MIRROR Click on the Mirror button to reverse the image create a mirror image Mirror function is on 6 14 6 8 PREVIEW AUTO AREA Clicking on the Preview Auto Area button automatically crops the preview scan area to the previewed document This will then be the cropping area for all of the scanned documents 6 9 PAPER SIZE Select a size on the Paper Size list of frequently used scan sizes including business card 5 x 3 in 6 x 4 in Letter Legal B5 A5 Ad A3 or your current scan area to perform an immediate selection of your scan size 6 10 UNITS The Units button indicates the measuring system that is in use Inch Cm or Pixel 6 15 6 11 DESCREEN Cl
17. ment This equipment has been tested and found to comply with the limits for aclass B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communication However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC CAUTION To assure continued compliance example use only shield interface cables when connecting to computer or peripheral devices Any changes or modifications not expressly approved by the manufacture of this device could void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following tw
18. nning features appears 5 1 6 Select the scanning method you want to use on the Scan Method drop down menu X da ET a R ui al E 7 Select the mode you want to use for your scans on the Image Type drop down menu Select a scanning resolution on the Resolution drop down menu Select the settings for the scanning features e g Sharpen Descreen etc that you want to use 10 Click on the Preview or Scan button to preview or scan your documeni s 5 2 6 USER INTERFACE 6 1 SCAN METHOD Select how you want to scan on the Scan Method drop down menu ADF One page use this setting if you are using the automatic document feeder ADF to scan a single page document at a time ADF Multi page use this setting if you are using the automatic document feeder ADF to scan batches of single page document at a time Flatbed use this setting if you are using the flatbed to scan one page at atime Duplex One page use this setting if you are using the automatic document feeder ADF to scan a double page document at a time Duplex Multi page use this setting if you are using the automatic document feeder ADF to scan batches of double page document at a time 6 1 6 2 DETERMINING YOUR RESOLUTION A good control of the resolution results in a satisfactory detail of an image that scans The resolution is measured by dots per inch dpi Normally the greater the dpi number the higher the resolution
19. o conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Responsible Avision Labs Inc Party Telephone No 1 510 739 2369 Table of Contents 1 INTRODUCTION siiccscsccssccossescesocecsessoosssscssssoscesesecoocccsspsoceseecocesos 2 SOFTWARE INSTALLATION cccccscccssssssscscccccssssssscceccesees 2 1 INSTALLING THE CD SOFTWARE sese se ee e 3 SCANNER INSTALLATION sss sss sss sss sss se se ee Ge essea Ge ee ee ee ee 3 1 ISS Pap LST 3 2 SCANNER UNPACKING esse ee ese ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 3 3 LOADING THE PAPER WITH ADE 3 4 FIXING PAPER ON THE GLASS BOARD sse 3 5 CNNECTING THE CABLES sss sss sas ss ee ee ee ee ennn nanna 4 IDENTIFY THE USB DEVICE sss ss sss sss ss sss se ee sss sss se se ee ee ee ee 5 SCANNER OPERATION sss sss sss ss ss sss ee ese ss se se ee ee ee ee ee ee ee ee ee 5 1 USER INTERFACE OPERATION 6 USER INTEREBA C Bivsssccsscsssscssessacessossecossescoscosevssbescosoosscsvcensoesosesse 6 1 SCAN METHOD sese eee eee 6 2 DETERMINING YOUR RESOLUTION ee ee ees ee se ee ee ee ee ee ee ee ee ee ee ee 6 3 SELECTING A PROPER IMAGE TYPE ees ee sesse ee ee ee ee ee ee ee ee ee ee ee ee ee 6 4 ENHANCING YOUR IMAGE ees ees ee ee se ee ee ee ee ee ee ee ee ee ee ee ee Re Re ee ee 6 5 CONTRAST 32 EE Ee Ee ee GEE ER EE GE ee Ge
20. plicable only for black and white and grayscale images Make sure that you have selected a black and white or grayscale image type on the Image Type drop down menu when you use this option Tip Increasing the brightness after removing one of the color channels will make the image clearer 6 6 6 19 CUSTOM SETTINGS Click on the Custom Settings button to access a dialog box where you can save your scan settings and configuration settings There are two tabs Scan Settings and Configuration Settings Scan Settings The Scan Settings tab allows you to save your scanning feature settings in a file load an existing file or delete an existing file Custom Settings i 1 av2 24 Bit Color ADF One p 300 7 80 13 54 default av2 24 Bit Color ADF One p 300 8 50 X 14 00 6 7 Saving a scan settings file Type a name for your settings in the File Name text box and click on the Save button Your settings will be saved and the file name will appear in the list box Using a scan settings file You can use an existing settings file Right click on the file name for the settings you want to use and click on the Load button The settings in the file will automatically be specified in the scanning features dialog box Deleting a scan settings file Right click on a file name and press the Delete button on the computer keyboard to delete the file You cannot delete the default scan settings file default av2 Configuration
21. r 1 Open ADF unit 2 Remove the multi fed sheets of paper 3 Close the ADF unit 4 Flatten the corners and edges loosen the paper before reloading it in the paper guide 5 Check the feeding roller condition and do the cleaning if necessary Paper becomes skewed in the scanner 1 Check the feeding roller condition do the cleaning if necessary 2 Use the paper guide when feeding the paper When power on the scanner it makes noises and will not stand ready There are two possibilities 1 You forgot to remove the shipping lock from the scanner Please remove the shipping lock first 2 You did not place the scanner on a flat desktop surface This may cause the scanner to function improperly While scanning the scanner often makes noises or it scans back and forth Please choose lower speed from the TWAIN user interface for low speed PC 9 2 Question The scanned image always comes out to be too dark Answer 1 Use your application to modify the Gamma setting to 2 2 and 1 8 for your printer and monitor respectively 2 Adjust Brightness setting from the TWAIN interface to get a brighter image Question The scanner works well except for the line art the lines of which seem much thicker than the original Answer Increase the Brightness or adjust the Threshold setting to adjust the line art image 9 3 9 2 TECHNICAL SERVICE Technical support for Avision scanner is provided at Avision Technical Ass
22. un and type d cdsetup exe D your CD ROM drive in use and click O K 2 Click Install Driver to install the TWAIN or ISIS driver 3 Click Install Application to install all application software 4 Follow the on screen instructions to install applications respectively 5 Restart the PC after installing all software applications 3 SCANNER INSTALLATION 3 1 PRECAUTIONS v Keep the scanner out of direct sunlight Direct exposure to the sun or excessive heat may cause damage to the unit v Do not install the scanner in a humid or dusty place v Be sure to use the proper AC power source v Place the scanner securely on an even flat surface Tilted or uneven surfaces may cause mechanical or paper feeding problems v Keep the shipping box and the material in case you may need to ship the scanner again v Use only the AC adapter ADP 50ZB made by Delta Electronics Inc included with the machine Using other AC adapters may damage the machine and void the warranty 3 2 SCANNER UNPACKING Please unpack the scanner carefully If any item is missing or damaged please contact your authorized Avision dealer immediately Remove the shipping lock 1 Unlock the scanner by moving the lock switch to the Unlock position Refer to the Lock Unlock figure 3 1 Lock position Unlock position Figure 3 1 Lock Removal 3 2 3 3 LOADING THE PAPER WITH ADF Place your document with the text fac
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