User manual AVISION AV100C

[. . . ] CAUTION: Any changes or modifications not expressly approved by the manufacture of this device could void the user's authority to operate the equipment. v Table of Contents CHAPTER 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 CHAPTER 2 SCANNER INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2-1 UNPACKING THE SCANNER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 CHAPTER 3 SCANNER DRIVER INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3-1 AUTO-INSTALLATION PROGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 C A T R4 SCANNER OPERATION AND DOCUMENT PRINTING HPE . . 4-1 4-1 IMAGE TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 4-2 SCANNING PARAMETERS & IMAGE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] You need to select AV100C for just once except when you have used the dialog box to select a different source. In that case, you will need to select AV100C as the source again before you can reuse the AV100C scanner. 7. 4-1 AV100C TWAIN user interface: 4-2 4-1 Image Type As shown below, you can select the mode you want to use with your document or image. Just click on the corresponding button. Line art Error Diffusion Halftone Gray Scale Color Line art Line art includes only black and white areas. Error Diffusion While taking up but a minimum storage space, error diffusion gives good image texture and excellent image details. Halftone Halftone simulates different shades of gray by varying the threshold value of a matrix. Gray (256 levels gray scale) Scanner recognizes each point in themage as a i shade of gray (continuous tone). True Color (16. 7 million colors) Color image has continuous tones along with its color hues. 4-3 4-2 Scanning Parameters & Image Control Resolution Control Brightness Adjustment Contrast Adjustment Resolution: The number of dpi (dots per inch) that AV100C uses for a scan. Contrast: Adjusts the range between the darkest and the lightest shades in the image. The higher the contrast, the bigger the different gray scales. 4-4 Auto Level Auto Area Descreen Color Match Reset Invert Calibration Quality Mode Speed Mode Pixel/Inch/Cm Set Gamma Image Information Auto Level: Optimizes the scanned image. Auto Area: Automatically sets the whole document as the scan area, no matter what its size. Descreen: Eliminates the Moire patterns commonly found in printed matter. Before descreen 4-5 After descreen Color Match:Adjusts the color quality of the image so that it comes close to that of the original. 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 Invert. Calibration: Defines "whiteness" for the scanner. Users are recommended to calibrate the light source if the scanned image looks undesirable or comes out to be too dark. Quality/Speed Mode: Users can select either mode to perform scanning according to their own need. Select quality mode scanning if your emphasis is on the quality of the scanned image. Else, select speed mode scanning if you want to speed up the scanning process. Pixel/Inch/Cm: Represents the different measure systems to be used in each scan. Feeding roller Figure 5-1 Cleaning the ADF 5-2 5-2 Cleaning the calibration board As shown below, clean the calibration board with an air-blower or a small brush. Calibration Board Figure 5-2 Cleaning the Calibration Board 5-3 Chapter 6 Troubleshooting The scanner will automatically perform a simple self test each time it is powered on to use. If you have problems with the operation of your scanner, please check the following troubleshooting hints. 6-1 Question and Answer Question: Paper becomes jammed during scanning. [. . . ] Fax number: 886-3-5777017 BBS: 886-3-5786149 CompuServe: 101400, 444 Internet: service@avision. com. tw Web Site: http://www. avision. com 6-5 Note: 1. You will be asked to enter your first name, last name and password at all times. For first time user, you will need to request with your full name and password ready. Therefore, the same name and same password are required to enter BBS in next time. 6-6 Chapter 7 Specifications All specifications are subject to change without notice. [. . . ]