Avision DF-0902H User Manual
Avision DF-0902H User Manual

Avision DF-0902H User Manual

High speed document scanner
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High Speed Document Scanner
User's Manual
Regulatory model: DF-0902H
Avision Inc.

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Summary of Contents for Avision DF-0902H

  • Page 1 High Speed Document Scanner User's Manual Regulatory model: DF-0902H Avision Inc.
  • Page 2 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.
  • Page 3 User’s Manual Federal Communications Commission (FCC) compliance information statement Part 15 The product has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules. Operation is subject to the following two 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.
  • Page 4 ® As an ENERGY STAR Partner, Avision Inc. has determined that this product meets the ENERGY STAR guidelines for energy efficiency.
  • Page 5: System Requirements

    User’s Manual System Requirements IBM compatible PC 586, Pentium or higher Microsoft Windows 2000, Windows XP, Windows Vista/Windows 7 USB port 2.0 (compatible with USB 1.1) At least 100 MB of free hard disk space (500 MB is recommended) At least 128 MB of system memory (512 MB of RAM is recommended) At least 1 GB of RAM for Windows Vista A CD-ROM drive...
  • Page 6: Table Of Contents

    Table of Contents Introduction ............. 1-1 Installation ............... 2-2 Unlocking the Shipping switch......2-2 ADF Paper Chute..........2-5 ADF Output Tray ..........2-6 Connecting the Cables ........2-7 Installing the Software........2-8 Connecting to Computer .......2-9 Completing Your First Scan........ 3-1 Document Loading ........3-1 ADF Scanning ..........3-2 Verifying Your Scanner Installation ....3-3 A Glance of the Scanner Properties Dialog Box .3-7 Using the Scanner Properties Dialog Box..
  • Page 7 User’s Manual ISIS Interface Operation ........5-1 Maintenance ............. 6-1 Cleaning the ADF .........6-1 Cleaning the Glass........6-3 Replacing the ADF snap-in pad module....6-4 Replacing the ADF Paper Feed Roller ....6-6 Trouble shooting ............ 7-1 Question and Answer ........7-1 Paper Jam in the ADF ........7-5 Technical Service ...........
  • Page 8: Introduction

    User’s Manual Introduction Congratulations on your purchase of the document scanner. Before you install and operate the scanner, please take a few minutes to read through this manual. It provides you with the proper instructions on how to unpack, install, operate and maintain the scanner. Figure 1-1 shows how the scanner is packed.
  • Page 9: Installation

    Installation Please unpack the scanner carefully, and check the contents against the checklist. If any items are missing or damaged, please contact your authorized local dealer immediately. Precautions • Keep the scanner out of direct sunlight. Direct exposure to the sun or excessive heat may cause damage to the unit.
  • Page 10: Unlocking The Scanner

    User’s Manual 2.1.1 Unlocking the scanner Carefully place the scanner in an upright position on its front. Unlock the scanner by moving the lock switch beneath the scanner to the “Unlock” position (See Figure 2-1). Gently place the scanner back to its normal position. Figure 2-1 Unlock the Shipping Switch...
  • Page 11: Locking The Shipping Switch

    2.1.2 Locking the Shipping switch Whenever you need to move the scanner to a new location it is advisable to lock the shipping switch to avoid causing damage to the scanners’ internal mechanism. Please follow the instructions below to lock the shipping switch. 1).
  • Page 12: Adf Paper Chute

    User’s Manual 2.2 ADF Paper Chute Lift the paper chute to about 45 degrees. Pull the paper-chute wire leg down to the grips on the document cover. Slightly press the paper chute to snap the wire leg into the grips on the document cover. Pull out the paper chute extension to the length you want.
  • Page 13: Adf Output Tray

    2.3 ADF Output Tray Hold the output paper tray some 30 degrees aslant as shown in Figure 2-4. Insert the three protrusions on the output paper tray to the three slots on the ADF. Release the paper tray gently. Make sure the tray is firmly attached to the ADF.
  • Page 14: Connecting The Cables

    User’s Manual 2.4 Connecting the Cables Make sure the power of scanner is off. 2.4.1 Connecting to Power Plug the small end of the power adaptor into the power jack of your scanner. Insert the other end to an appropriate power outlet.
  • Page 15: Installing The Software

    2.5 Installing the Software Note: 1). The Windows system CD may be required when installing on some PC’s. To ensure your computer can identify the USB scanner, please install scanner driver first before connecting the scanner to your computer. Place the supplied CD-ROM onto your CD-ROM drive. The software installation graphic appears.
  • Page 16: Connecting To Computer

    User’s Manual 2.6 Connecting to Computer Connect the square end of the USB cable to the USB port of your scanner. Connect the rectangle end to the USB port of your computer. cable...
  • Page 17 The computer should detect a new USB device and prompt a “New Hardware Found” message. In Windows XP, click the Next button to continue. When the XP certification screen appears, click Continue Anyway to complete the installation. When the Finish dialog is prompted, click the Finish button.
  • Page 18: Completing Your First Scan

    User’s Manual Completing Your First Scan ocument Loading For flatbed scanning Documents that can not be scanned using the ADF can be placed on the flatbed for scanning. (See Figure 3-1) Place the document to be scanned onto the document glass face down.
  • Page 19: Adf Scanning

    3.2 ADF Scanning Multiple documents can be fed automatically using the ADF. Refer to Figure 3-2. To prevent occasional paper jam when automatically feeding multiple documents, fan the paper before loading. Lift the balance wire. Place the documents onto the ADF paper chute in either paper side (face-down, face-up), with the leading edge in the auto feeder entrance.
  • Page 20: Verifying Your Scanner Installation

    User’s Manual 3.3 Verifying Your Scanner Installation To verify if your scanner installation is correct, Avision provides you a useful test program called Avision Capture Tool. With this tool, you can perform simple scans and view the captured images. In addition, it helps you complete your scan at a rated speed.
  • Page 21 Actual Page Size Save File Path File Format Scan Setup Choose your desired file format from the File Format drop down list box. (Default is BMP, other choice includes TIFF, MTIFF, PDF, MPDF, GIF, and JPEG.) The supported file formats vary depending on your scanner model. Type your desired folder name and file name in the File Path box.
  • Page 22 User’s Manual Image Selection From the Image Selection Box, choose your desired image type for your scanned image. (Default is Front B&W) If you have a duplex scanner, choose Front and Rear to scan both sides of your document. Click OK to quit the Scanner Properties dialog box. (To learn more details about the Scanner Properties dialog box, please see the subsequent chapter, Using the Scanner Properties Dialog Box.)
  • Page 23 Status Bar Fit Page View Thumbnail View 11. You can view the scanned image in Fit Page ( ) or Actual Size (100%) button ( ) from the Viewing toolbars at the right side. 12. Click the Close box or Quit from the File menu to exit the Scan Validation Tool.
  • Page 24: A Glance Of The Scanner Properties Dialog Box

    User’s Manual 3.4 A Glance of the Scanner Properties Dialog Box 1. Tab Options Choice: Image, Compression, Color Dropout, Paper, Options, Settings, Information. 2. Image Choose your image type and the side of Selection Box document you wish to scan. Options vary based on type of scanner.
  • Page 25: Using The Scanner Properties Dialog Box

    User’s Manual Using the Scanner Properties Dial og Box The Scanner Properties dialog box allows you to configure the scanner’s settings. It consists of several tabbed windows each of which will be described in this chapter. The Scanner Properties dialog box...
  • Page 26: Buttons On The Scanner Properties Dialog Box

    4.1 Buttons on the Scanner Properties Dialog Box The buttons on the Scanner Properties dialog box Buttons Description Defaults Click the Defaults button, the factory default settings will be shown on each tab. Scan After all the scan settings are satisfactory, click the Scan button to start scanning your document.
  • Page 27 User’s Manual The following table shows the default settings: Tab name Default settings Image Image:Front B&W Binarization:Dynamic Threshold Resolution:200 dpi Invert:Blank on White Scan Source:Auto Document Feeder Threshold:None Brightness:None Contrast:None Compression None Color Dropout None Paper Cropping:Automatic Deskew:Yes Orientation:Portrait OverScan:0.00 Multifeed Detection:None Unit:Inch Options...
  • Page 28: The Image Tab

    4.2 The Image Tab The Image tab allows you to choose the front side and (or) the rear side of your document, the type of image, and to set several basic scan settings. Note that except for the resolution, you can set individual scan settings for the front side and the rear side.
  • Page 29 User’s Manual 4.2.1 The Image Selection Box The Image Selection box includes the image type and document side option. If you wish to scan both the front side and the rear side of your color document, you can check both Front Color and Rear Color at the same time.
  • Page 30 Example 2:Scanning a two-sided color document, one in B&W(Drop Blue Color:Threshold:10, Background: 79), the other in color Side/Image Selection Rear Front Image Type Description Color Choose Color if you wish to scan a color image for your original in color. Gray Choose Gray image if your original contains actual shades of gray.
  • Page 31 User’s Manual Front/Rear Auto Color Detection: Click to automatically detect and scan the front or the rear page of your color document in color image mode. If your document is in colors, the scanner will automatically scan the document into a color image. If your document is non-color, you can choose the output to be either B&W or Gray from the Non-Color Selection option.
  • Page 32 4.2.2 Other Image Options This is the process of converting a Binarization grayscale or color image to a bi-tonal image. There are several different methods of performing this conversion. Options: Dynamic Threshold, Fixed Processing, Halftone 1~5, Error Diffusion. Dynamic Threshold: Selecting Dynamic Threshold allows the scanner to dynamically evaluate each document to determine the optimal threshold value...
  • Page 33 User’s Manual Fixed Processing: Used for black-and- white and other high contrast documents. A single level is set to determine the black- and-white transition. The threshold is programmable over the entire density range. Fixed Processing sets Contrast to 0. If Fixed Processing is selected, Contrast is not available.
  • Page 34 Error Diffusion Image 4-10...
  • Page 35 User’s Manual Threshold Used to convert a grayscale image to a bi-tonal image. The value ranges from 0 to 255. A low threshold value produces a lighter image, and can be used to subdue backgrounds and subtle, unneeded information. A high threshold value produces a darker image, and can be used to help pick up faint images.
  • Page 36 Gray Document Type: Choice: Normal, Photo, Document Three options of document type are provided when you choose Gray as the image type for your scanned document. Choice: Normal, Photo, Document. • Document: Choose Document if your original contains pure text or a mixture of text and graphic since it is an optimal setting for regular business document.
  • Page 37 User’s Manual Normal Photo Document (Threshold: 230) Normal Photo Document (Threshold: 230) 4-13...
  • Page 38 Adjusts the lightness or darkness of an Brightness image. The higher the value, the brighter the image. Drag the slider to the right or left to increase or decrease the brightness. The range is from –100 to +100. Adjusts the range between the darkest and Contrast the lightest shades in the image.
  • Page 39 User’s Manual Resolution A good control of the resolution results a good 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 and the image file size.
  • Page 40 Resolution: 75 dpi Resolution: 150 dpi Invert Reverses the brightness and the colors in the image. The default setting is Black on a White background. Reverse mode is White on a Black background. For color images, each pixel will be changed into its complementary color at the command of Invert.
  • Page 41 User’s Manual Scan Choice: Source Auto Document Feeder: Used to scan multiple pages. Flatbed: Used to scan a single page. For example, pages from newspaper clipping, paper with wrinkles or curls. Flatbed (book): Used to scan several inside pages from book. Automatic: Allow the scanner automatically set its scan source.
  • Page 42 Color The purpose of Color Matching is getting the Matching accurate color. This option uses the default parameters (ICC profile) to adjust the colors of the image. Normal After Color Matching 4.2.3 Scanning color images The following options are available for scanning color images. Brightness Contrast Resolution...
  • Page 43 User’s Manual 4.2.4 Scanning grayscale images The following options are available for scanning gray images. Brightness Contrast Resolution Invert 4.2.5 Scanning B&W images The following options are available for scanning B&W images. Binarization (Dynamic Threshold) Resolution Invert Binarization (Fix Processing) Threshold Brightness Resolution...
  • Page 44: Editing Profiles

    4.2.6 Editing Profiles The Scanner Properties dialog box allows you to change and save your frequently used scan settings into a profile. You can edit these profiles by renaming or deleting them. To add a new profile, 1. Customize your settings. (For example, change your resolution, image type, cropping method, scan size, or other scan settings.) 2.
  • Page 45 User’s Manual To load a profile, From the Image tab dialog box, choose your favorable profile from the “Profiles” dropdown list box. Your favorable profile will be immediately loaded and displayed on Scanner Properties dialog box. To delete a profile, From the Image tab dialog box, click “Profiles”...
  • Page 46 To rename a profile, From the Image tab dialog box, click “Profiles” to prompt the Edit Your Profile dialog box. Choose the profile you want to rename from the dropdown list box and then click the Rename button. Enter new name for the profile. Choose “Save”...
  • Page 47: The Compression Tab

    User’s Manual 4.3 The Compression Tab The Compression tab allows you to compress your scanned image and choose the level of compression. Bi-tonal images are normally compressed using CCITT standard called Group 4 (G4). Color and grayscale images are often compressed using JPEG technology.
  • Page 48 The Compression tab dialog box 4-24...
  • Page 49: Color Dropout Selection

    User’s Manual 4.4 The Color Dropout Tab 4.4.1 Color Dropout Selection Color Dropout tab allows you to drop either of the red, blue, or green color in your scanned image. If your image contains red color watermark or background, choose the R (Red) channel then any red watermark or background will be removed.
  • Page 50 The Color Dropout dialog box 4-26...
  • Page 51 User’s Manual 4.4.2 Other Color Dropout Options Advanced Processing provides two options that can adjust your scanned image in the best optimal result. Filter This value is used to determine the color Threshold which will be dropped out. A lower value will drop more of the selected color out, while a higher value will leave more of the selected color in.
  • Page 52 Remove Blue, Threshold: 20, Background: Remove Blue, Threshold: 20, Background Level: 210 4-28...
  • Page 53: The Paper Tab

    User’s Manual 4.5 The Paper Tab The Paper tab allows you to define values relating to image output (i.e., Auto Crop or not, Scan Area, OverScan, Multi-Feed Detection). The Paper tab dialog box 4-29...
  • Page 54 4.5.1 Cropping Cropping allows you to capture a portion of the document being scanned. Choice: Automatic, Fixed to Transport, EOP (End of Page) Detection. Options Description Automatic Automatic adjusts the cropping window according to different document sizes. Use this option for batches of mixed-sized documents.
  • Page 55 User’s Manual The following options are only available when Fixed to Transport is selected. X-Offset — the distance from the left end of the scanner to the left edge of the scanning area. Y-Offset — the position from the top end of the document to the top end of the scanning area.
  • Page 56: Other Paper Selection

    4.5.2 Other Paper Selection Deskew Use this option to automatically deskew a document. Note: If the skew angle is too great, some of the image may be cut off. Scan Area Choose your desired paper size with the drop-down list box. Or you may select a custom paper size by clicking the Scan Area box and then click Add to include in the choice.
  • Page 57: Transport Timeout

    User’s Manual Choose “Unknown Length” if you have a batch of long page document with unknown length. Choose “Enter Length” to enter the length and width of your documents or your desired scan size on documents. This is useful when you have a batch of documents with the same scan size or a batch of same-sized documents.
  • Page 58 Note: Within the specified timeout period, if you load your document to the feeder, the scanner starts scanning automatically. If your scanner has a flatbed option and you place your paper on the flatbed, after the timeout period, you need to click the Scan button on the TWAIN user interface to start scanning.
  • Page 59: The Multi-Feed Detection Tab

    User’s Manual e Multi-Feed Detection Tab Multi-Feed Detection Multi-Feed Detection allows you to detect overlapped document that go through the auto document feeder. Multi-Feed usually occurs due to stapled documents, adhesives on documents, or electro-statically charged document. Note: The availability of the function varies based on type of scanner.
  • Page 60 Additional Length Detection Additional Length Detection allows you to define the length of document being multi-fed. This value indicates the additional length exceeding your scan area. The Display window will show the size of the document as you change the value. A value of 0 indicates no additional length detection.
  • Page 61 User’s Manual By Length+Position: When a multi-feed is detected for the first time, the scanner memorizes the length and position of the paper attached to the document. When you perform next scanning, this pattern of multi-feed will be bypassed. To use the intelligent mode, Choose your desired multi-feed detecting method to bypass by.
  • Page 62 Detection Area This option allows you to specify a multi-feed detection area. To specify a multi-feed detection area, Choose Disable from the Intelligent Mode. The Detection Area will be enabled. Choose Inside the Range or Outside the Range. The detection area will be highlighted. Drag your mouse pointer on the top or the bottom of the detection area to specify your area in the display window.
  • Page 63 User’s Manual Detection Area: Outside the Range, Box, Top: 3”, Bottom: 7” 4-39...
  • Page 64: Ultrasonic Detection

    Ultrasonic Detection Ultrasonic Detection allows you to set overlapped document by detecting paper thickness between documents. Note: The availability of the function varies based on type of scanner. There are two options available if Multi-Feed is detected. Stop Scanning after Multi-Feed If this is selected, the scanner will stop the feeder and display the following Warning dialog box if multi-feed is detected.
  • Page 65 User’s Manual Clear the Multi-Fed Paper: Choice: Manual, Auto If Auto is selected, once multi-feed is detected and scanning operation is stopped, the scanner will automatically clear the transport of the multi-fed paper. If manual is selected, once multi-feed is detected and scanning operation is stopped, you need to manually clear the transport of the multi-fed paper.
  • Page 66 How to add the sound alarm: 1. Click the Browse button on the right side of the speaker icon. The Open dialog box appears. 2. Choose your wave file. 3. Click the Open button. The wave file is added. Units Defines the primary measurement system.
  • Page 67: Relative To Document

    User’s Manual 4.6.1 Relative to Document Relative to Document: (used for batches of same-sized documents) This option allows you to crop different areas on your documents and deliver these images in B&W, Gray, or Color separately. For example, there are applications which require you to store the entire document in B&W and a part of the document in color to save storage space.
  • Page 68 Click the Preview tab to display the Preview window. A black rectangular box appears to indicate the max. scan size your have just selected. The Image The selected Selection image A black rectangular Click the Preview button to view the entire image in low resolution to correctly crop your relative scan area.
  • Page 69 User’s Manual A Cross Sign Relative Area Check the B&W image from the Image Selection box to scan the entire document. Click the Scan button to start scanning the document in two image types and sizes. (See the result in below.) The entire document in B&W The relative area in color 4-45...
  • Page 70: The Preview Tab

    4.7 The Preview Tab The Preview tab allows you to preview (a low-resolution scan) your image before final scan. This preview image lets you allocate your scan area. You can choose your scan area by the “Scan Area” drop down list box or placing your cursor on the Display window and dragging it diagonally on the Display window.
  • Page 71: The Options Tab

    User’s Manual 4.8 The Options Tab The Options tab allows you to set following additional image processing settings. The Option tab dialog box 4-47...
  • Page 72 Flip Side Select “fanfold” to rotate the image Rotation of the reverse side to 180 degrees. This is applied to double-sided document which are viewed in portrait are sometime fed into the scanner in landscape or vice versa. Choice: Book, Fanfold. If “Book”...
  • Page 73 User’s Manual Rotate Image Choose the rotation angle from the drop down list if you wish to rotate your scanned image. Choice: None, 90°CW(clockwise), 90°CCW(counter clockwise), 180°, Auto based on contents. Auto rotate every even page. Rotate 90°CW Original Rotate 90°CCW Rotate 180°...
  • Page 74 Blank Page Check if you wish to remove the blank page Removal and move the slider to the left or right to your desired threshold. Edge Check White or Black if you wish to add white or Fill black edge on the border of your scanned image. Enter the value from 0 to 5 mm.
  • Page 75 User’s Manual Image Check the Mirror box if you wish to reverse the right Control and left side of your image. Option Original The Mirror Effect 4-51...
  • Page 76 Despeckle Occasionally small dots or specks appear in the background of a scanned image. Remove unwanted speckles provides a cleaner image for OCR (Optical Character Recognition) processing, and also helps to reduce compressed file size. Define the speckles (also known as image noise) you wish to remove by specifying its number (size) and radius (range).
  • Page 77 User’s Manual Note: • The function is currently available for Black and White image only. • To scan at rated speed, it is recommended to set the noise radius up to 10 pixels. 4-53...
  • Page 78 Background This option allows you to set your scan Setting background. Choice: White Background, Black Background. White Background Black Background 4-54...
  • Page 79: The Setting Tab

    User’s Manual 4.9 The Setting Tab The Setting tab allows you to set the following settings: The Setting tab dialog box Energy Saving Check the Enable Energy Saver box Control and move the slider to the right to set the amount of time to start the energy saver after your last action.
  • Page 80 Cache Mode: None, Page Number, Memory Size. This option allows you to assign a specified memory size from the available RAM to process the image data. By specifying a smaller memory size, you can free more memory for other applications you are running.
  • Page 81 User’s Manual Show Scanning Check and the scanning progress bar Progress will be shown during scanning. Show Warning Check to show the warning messages Message such as “ADF pad count exceeds 50,000 scans (the number varies based on type of scanner). Please replace the ADF pad and reset the pad count.”...
  • Page 82: The Imprinter Tab

    4.10 The Imprinter Tab The Imprinter tab allows you to print alphanumeric characters, date, time, document count and custom message on your scanned image if digital imprinter is selected or at the back of your document if external imprinter is selected. Choice: External Imprinter, Digital Imprinter.
  • Page 83 User’s Manual Contents Print All Check Print All to automatically print the text at all pages of your documents. Uncheck Print All to print the text for the first page of your documents only. Custom Enter your custom text to be included in your print string.
  • Page 84 String Choice: Normal, Rotated (180 degrees) Orientation Delay Choose the position of the print string. Move the slider from 1 to 5000. Default: 300. This feature is available only if an external imprinter is installed. Print Position Choose the position of your printed string. Choice: Top, Middle, Bottom, Custom.
  • Page 85: The Information Tab

    User’s Manual 4.11 The Information Tab The Information tab displays the following system and scanner information. The Information tab dialog box The “Report” button: If you encounter any error message while using the scanner, click the Report button. A report.txt file (C:\AVxxx) will be generated.
  • Page 86 The “Reset Pad Count” button」: After scanning approximately 50,000 pages (the number varies based on type of scanner) through the Auto Document Feeder (ADF), the ADF pad may be worn out and you may experience problems with document feeding. In this case, it is highly recommended to replace the ADF pad with a new one.
  • Page 87: Isis Interface Operation

    User’s Manual 5. SIS 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: Mode: Select one of scan modes, including B&W, gray, color options. Dither: 5 halftone levels available, can be disabled. Dots per inch: Select your desired resolution.
  • Page 88: Maintenance

    User’s Manual aintenance Cleaning the ADF The scanner is designed to be maintenance free. However, it still needs to be cleaned occasionally to ensure optimum image quality and performance. From time to time the pad assembly and feeding rollers may become contaminated with ink, toner particles or paper dust.
  • Page 89 Roller ADF Pad...
  • Page 90: Cleaning The Glass

    User’s Manual 6.2 Cleaning the Glass The procedures: Soak a cotton swab with some isoprophy alcohol (95%). Open the ADF unit and document cover as shown in Figure 6-2. Wipe the glass of flatbed area and ADF area by moving the swab from side to side. Close the ADF unit and document cover.
  • Page 91: Replacing The Adf Snap-In Pad Module

    Replacing the ADF snap-in pad module After scanning approximately 20,000 pages through the ADF, the separation pad 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.
  • Page 92 User’s Manual Assembling Procedure Take out the ADF pad module from the box. Hold the upper part of the pad clamp and place it gently to the pad holder.
  • Page 93: Replacing The Adf Paper Feed Roller

    6.4 Replacing the ADF Paper Feed Roller Open the ADF cover. ADF cover Lift the tabs.
  • Page 94 User’s Manual Remove the paper feed roller. ADF paper feed roller Insert the new paper feed roller by aligning the tabs into the slots and pressing the roller into place. Slot...
  • Page 95 Reinsert the paper feed roller cover and snap it into place. 6. Close the ADF cover.
  • Page 96: Trouble Shooting

    User’s Manual 7. Trouble shooting 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, if no error occurs, the READY LED is steadily on.
  • Page 97 Question: Paper becomes jammed during scanning. Answer: a) Open the ADF unit. b) Pull out the jammed paper carefully. c) Close the ADF unit. Question: More than one sheet of paper were fed into the scanner. Answer: a) Open ADF unit. b) Remove the multi-fed sheets of paper.
  • Page 98 User’s Manual Question: When I power on the scanner, it makes noises and will not stand ready. Answer: There are two possibilities: a) You forgot to remove the shipping switch from the scanner. Please remove the shipping retainer first. b) You did not place the scanner on a flat desktop surface.
  • Page 99 Question: The scanned image always comes out to be too dark. Answer: a) Use your application to modify the Gamma setting to 2.2 and 1.8 for your printer and monitor respectively. b) Use Brightness setting from the TWAIN user interface to get a brighter image. Question: The scanner works well otherwise, but for the line art, the lines scanned seem much thicker than those of the original.
  • Page 100: Paper Jam In The Adf

    User’s Manual 7.2 Paper Jam in the ADF In the event of paper jam, please follow the procedures below. Open the ADF cover as shown in Figure 7-1. ii). Pull the paper out of the ADF unit carefully. ADF Unit Document Figure 7-1 ADF Paper Jam - Removing the Paper...
  • Page 101: Technical Service

    User’s Manual 8. echnical Service Technical support for Avision scanner is provided at Avision Technical Assistance Center (ATAC). Before contact with ATAC, please prepare the following information. • Scanner serial & revision number (located on the bottom of the scanner) •...
  • Page 102: Specifications

    User’s Manual 9. Specifications Model Number DF-0902H Scanning Mode B&W Gray Color Optical 600 x 600 dpi Resolution Light Source Cold Cathode fluorescent lamp ADF Capacity 50 sheets Scan Area Flatbed: up to European A4 (8.5” x 11.69”) ADF: 3.7” x 5.5”(Min) ADF: 8.5”...
  • Page 103: Index

    Index Additional Length Detection, Document Loading, Document Type ADF cover, 7-5 Normal, Photo, Document, 4-12 Dynamic Threshold ADF Scanning, sensitivity, 4-8 Auto Color Detection 4-50 Edge Fill, sensitivity, 4-7 4-55 Energy Saving, B&W, 4-6 4-27 4-27 Filter Threshold, Background Level, 4-48 Background Setting, 4-54 Flip Side Rotation,...
  • Page 104 User’s Manual Ultrasonic Detection, 4-40 Normal, Rotated, 4-60 Transport Timeout, 4-33...

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