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AV261C

Color Image Scanner

User's Manual

(D/N 250-0207-E Rev. A)

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Avision Inc. 1998

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Summary of Contents for AV261C

Page 1: ...AV261C Color Image Scanner User s Manual D N 250 0207 E Rev A Avision Inc 1998 ...

Page 2: ...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 Material scanned by this product may be protected by governmental laws and...

Page 3: ...o 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 4: ...terference 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 shielded interf...

Page 5: ...v Table of Contents ...

Page 6: ...a variety of purposes on your computer The following sections introduce the unpacking hardware and software installation the operation and maintenance information to you Please do take a few minutes to read through them to keep quality scanning result possible Figure 1 1 shows how the scanner is packed Please check all the items against your checklist contained in the box or against Figure 1 1 If ...

Page 7: ...1 2 1 Power Adapter 2 Cushion 3 Manual Driver Kit CD 4 D25P Cable etc 5 Scanner 6 Carton Figure 1 1 Scanner packing 1 2 3 5 6 4 ...

Page 8: ...heat may cause damage to the unit Ÿ Do not install the scanner in a humid or dusty place Ÿ Be sure to use the proper AC power source Ÿ Place the scanner securely on an even flat surface Tilted or uneven surfaces may cause mechanical or paper feeding problems Ÿ Retain the scanner box and packing materials for shipping purposes ...

Page 9: ...2 2 2 2 Unlocking the Scanner As shown below unlock the scanner by turning the scanner lock to the Use position 1 Shipping Position 2 Use Position Figure 2 1 Unlocking the Scanner ...

Page 10: ...2 3 2 3 Connecting the Cable Connect the power cable and signal cable as shown below 1 Scanner 2 Power Supply 3 D25P Cable 4 PC Parallel Port 5 Printer Cable Figure 2 2 AV261C scanner cable connection ...

Page 11: ...t Placement As shown in Figure 2 3 place the document on the glass with the text facing away from you 1 Document Cover 2 Document Pad 3 Reference Frame 4 Glass 5 Document Board 6 Document Figure 2 3 Document Placement ...

Page 12: ... hard disk space for installation 8 Megabytes of RAM 16 Megabytes or higher recommended A video graphics array VGA monitor A Microsoft Windows compatible pointing device e g mouse A CD ROM drive 3 1 to Installation Program Installation procedures of AV261C Scanner driver with Avision Auto installation Program are as follows 1 Start Windows 3 1 or Windows 95 2 Insert AV261C CD into your CD ROM driv...

Page 13: ...or Windows NT 3 Press the Start button choose RUN type d driver AV261C exe d the CD ROM drive in use and then click O K See Figure 3 1 3 2 4 Follow the on screen instructions to complete the installation Fig 3 1 Fig 3 2 ...

Page 14: ...3 3 3 2 Uninstall the Scanner You can uninstall the scanner by selecting Start Programs Avision Scanner AV261C and double clicking on the Uninstall command from the Avision Scanner AV261C ...

Page 15: ...log box appears containing the different TWAIN sources that you can choose from to bring an image into your application 3 Select AV261C xx VX xx as the source 4 When you have used the dialog box to select a different source you will need to select AV261C as the source again before you can reuse the AV261C scanner 5 Place the image to be scanned face down on the glass 6 From the File menu select Ac...

Page 16: ...4 2 AV261C TWAIN user interface ...

Page 17: ...resents the image in black and white only and there are no intermediate shades of gray in between Halftone In addition to the black and white display Halftone can present a somehow gray shade of image by using different size of dots Error Diffusion While taking up but a minimum storage space error diffusion gives good image texture and excellent image details Gray 4096 levels gray scale Gray prese...

Page 18: ...4 4 Color The 36 bits True Color presents 68 7 billion colors and gives much more tonal range and details in a color image ...

Page 19: ...solution Yet up to a certain level the resolution will not be visually increased but the disk space will be increased Brightness Adjusts the lightness or darkness of an image The higher the value the brighter the image Contrast Adjusts the range between the darkest and the lightest shades in the image The higher the contrast the bigger the different gray scales ...

Page 20: ...mizes 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 After descreen Invert Advance_Settings Quality Mode Speed Mode Pixel Inch CM Set Gamma ...

Page 21: ...will be changed into its complementary color at the command of Invert Advance_Settings Provides a color background removal function to sharp scanned output Quality Speed Mode Users can select the mode to perform scanning according to their own need Select quality mode scanning if your emphasis is on the quality of the scanned image Or you can select speed mode scanning if you want to speed up the ...

Page 22: ...4 8 Set Gamma Adjusts the midtone of the image yet without losing details of the lightest and the darkest areas at the same time Image Information Gives related information of the scanned image ...

Page 23: ...xecute the Scans action Exit Cancels the current job Document Size To designate the size of your document just click on its icon on the margin of the preview window As shown in the figure below in the Preview window you can define the area to be scanned by dragging the four cursor auxiliary lines ...

Page 24: ...the printer cable as shown below 1 Scanner 2 Power Supply 3 D25P Cable 4 PC Parallel port 5 Printer Cable Caution 1 Be sure to power on the scanner if you want to do pass through printing 2 Do not scan and print at the same time ...

Page 25: ...4 11 3 If your PC does not support EPP mode or have pass through compatibility problem please contact your authorized local dealer for an EPP card or an additional interface card ...

Page 26: ... Clean the Document Board Glass As shown in Figure 5 1 wipe the scanner glass with a piece of soft clean cloth to rid the glass of dust or toner particles 1 Document Board Glass Figure 5 1 Clean the document board glass ...

Page 27: ...ess setting of the TWAIN user interface to get a brighter image Question The scanning speed of my scanner is much slower than that of those installed at other computers Can I speed it up Answer Set you PC printer port to the EPP mode from BIOS setting Question Why does my scanner scan at a very low speed Answer If you have installed Works for Windows it will install Window Printing System WPS in y...

Page 28: ... suggested to add a second printer card for printing purpose or you may call your authorized local dealer for further support Question Does it take long for the scanner to initialize Answer If your printer port supports SPP mode only it takes about two minutes for the scanner to initialize If your printer port supports EPP mode the initialization speed is much faster about 20 seconds Question Why ...

Page 29: ...ting all right but the pass through printing may not work if you connect the parallel port with devices other than printer Therefore if you would like to connect some parallel port devices other than printer please do not connect them to the same parallel port that AV261C currently uses It is suggested to use other parallel ports to connect these devices or keypro For instance you can connect the ...

Page 30: ...ize free disk space display card interface card Ÿ The name and version of your scanning software application Ÿ The version of your scanner driver Ÿ The brand and model name of your printer AVISION LABS INC 6815 Mowry Ave Newark CA 94560 USA TEL 1 510 739 2369 FAX 1 510 739 6060 Web Site http www avision com E mail support avision labs com AVISION INC No 20 Creation Rd 1 Science Based Industrial Pa...

Page 31: ...pi 600 dpi H V Maximum Resolution 9600 dpi Scanning Modes Black White mode Halftone mode 64 step Error diffusion 12 bit gray scale 36 bit color Document Size A4 B5 A5 business card Interface Printer port supports SPP EPP for PC Power Source 100Vac 240Vac 50 60Hz external Power Consumption 12 watts 12Vdc 1A Dimensions WxDxH 399 x 260 x 95 mm Weight 2 7kg ...

Page 32: ...u 300 Taiwan R O C declare that the product Model Number AV261C conforms to the following Product Specifications Emission EN 50081 1 1992 EN 55022 Class B Conducted Radiated 1994 EN 60555 2 Harmonics 1987 EN 60555 3 Flicker 1987 Immunity EN50082 1 1992 IEC 1000 4 2 ESD 1995 IEC 1000 4 3 RS 1995 IEC 1000 4 4 EFT Burst 1995 IEC 1000 4 5 SURGE 1995 Date December 1995 ...

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