Avision AV100C User manual

AV100C
Color Image Scanner
User's Manual
Version 1.0
(Doc. No. 250-0047-0)
 AVISION INC. 1996

ii

iii
Trademarks
Microsoft is a U.S. registered trademark of Microsoft
Corporation.
Windows and MS-DOS are trademarks of Microsoft
Corporation.
IBM, PC, AT, 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.

iv
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.

v
FCC Radio Frequency Interference Statement
This equipment has been tested and found to comply with
the limits for a class 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.
CAUTION: Any changes or modifications not expressly
approved by the manufacture of this device
could void the user's authority to operate the
equipment.

vi
Table of Contents
CHAPTER 1 INTRODUCTION............................................................1-1
CHAPTER 2 SCANNER INSTALLATION..........................................2-1
2-1 UNPACKING THESCANNER ..............................................................2-1
2-2 CONNECTING THE CABLE.................................................................2-5
CHAPTER 3 SCANNER DRIVER INSTALLATION..........................3-1
3-1 AUTO-INSTALLATION PROGRAM......................................................3-1
3-2 UNINSTALL THE SCANNER ...............................................................3-3
CHAPTER4 SCANNER OPERATION AND DOCUMENT PRINTING..4-1
4-1 IMAGE TYPE ...................................................................................4-3
4-2 SCANNING PARAMETERS& IMAGE CONTROL ...................................4-4
4-3 SCANNING ......................................................................................4-7
4-4 PRINTING........................................................................................4-8
CHAPTER 5 MAINTENANCE.............................................................5-1
5-1 CLEANING THE ADF .......................................................................5-1
5-2 CLEANING THE CALIBRATION BOARD................................................5-3
CHAPTER 6 TROUBLESHOOTING..................................................6-1
6-1 QUESTION ANDANSWER..................................................................6-1
6-2 TECHNICAL SERVICE .......................................................................6-5
CHAPTER 7 SPECIFICATIONS..........................................................7-1
7-1 MODEL: AV100C...........................................................................7-2

1-1
Chapter 1 Introduction
Congratulations on your purchase of Avision AV100C color
sheet-fed image scanner. Avision Inc. is one of the leading
company in the world to develop the high performance sheet-
fed scanner.
Before you install and operate the new scanner, please take a
few minutes to read through the manual. It provides you with
proper instructions on how to unpack, install, operate and
maintain the scanner.
Figure 1-1 shows how the scanner is packed, you can check
all items against your checklist.

1-2
1. Power Supply
2. Checklist, S/W Package, Driver Kit, User's Manual, etc.
3. Upper Separate Tray 4. Paper Stand
5. Right Cushion 6. Separate Tray
7. Carton 8. Signal Cable
9. Left Cushion 10. Guide Unit
Figure 1-1 Scanner packing

2-1
Chapter 2 Scanner Installation
Precautions
* Keep the scanner out of direct sunlight. Direct exposure to the
sun or excessive heat may damage the unit.
* Do not install the scanner in a humid or dusty place.
* Be sure to use the proper AC power source.
* Install the scanner securely on a level surface. Tilted or uneven
surfaces may cause mechanical or paper feeding problems.
* Retain the scanner box and packing materials for shipping
purpose.
2-1 Unpacking the Scanner
Please unpack the scanner carefully, and check the contents
against the Checklist. If any items are missing or damaged,
please contact your dealer immediately.
Installation of the slide guides, paper guide and paper
stand (Fig 2-1)
1. Open the front door by slightly pulling it away from the
unit for few inches.
2. Insert the paper guide onto the center notch located on
top of the unit.
3. Insert the two slide guides to the left and right of the
paper guide. When properly installed, the guides
should move freely from side to side.
4. Insert the two ends of the paper stand into the small
holes on both sides of the paper guide.
5. Close the front door.

2-2
1. Paper Stand2. 4. Slide Guide
3. Paper guide 5. Scanner Front Panel
Figure 2-1 Installing the slide guides, the paper guide, the paper stand

2-3
Document loading
Standard-sized paper should feed easily through the scanner.
To avoid occasional paper jam when automatically feeding
multiple documents, loosen the paper before loading.
Figure 2-2 Loosening the paper before loading
Document Feeding
Insert the document to be scanned face down on the scanner.
Align the two sides of the document with the slide guides.
(Figure 2-3)
Figure 2-3 Placing documents on the ADF

2-4
Scanning Small Documents
To scan small documents, such as business cards, exchange
the position of the two slide guides, adjust the distance in
between so that it suits the document size, and hand feed the
document. (Figure 2-4)
1. Open the front door of the scanner.
2. Remove the two slide guides, exchange their position,
and reinsert them onto the scanner with the left guide
going now to the right and the right guide to the left.
3. Close the scanner front door.
1. Paper guide unit 2. Slide guides
Figure 2-4 Exchanging the position of the two slide guides

2-5
2-2 Connecting the cable
Be sure the scanner is powered off.
Connect the power cable and signal cable as shown below.
1. Power Supply 2. Scanner
3. D25P Cable 4. Parallel Port
Figure 2-5AV100 C Scanner Cable connection

3-1
Chapter 3 Scanner Driver Installation
To run at rated speed as recommended, the AV100C color
image scanner must have the following minimum requirements:
* IBM compatible PC 386/486 or Pentium;
* Microsoft Windows 3.1 or Windows 95;
* DOS 5.0 or higher;
* One printer port available (enhanced parallel port
recommended);
* 2 megabytes of available hard disk space for installation;
* 4 megabytes of RAM (8 megabytes or higher recommended);
* A video graphics array (VGA) monitor;
* A Microsoft Windows-compatible pointing device (e.g.,
the mouse);
* A CD ROM drive.
3-1 Auto-Installation Program
Installation procedure of AV100C driver with Avision Auto-
installation Program is as follows:
1. Start Windows 3.1 or Windows 95.
2. Insert AV100C CD kit into your CD ROM drive.
3. For Windows 3.1 or Windows 3.11(See Figure 3-1,3-2)
From the File Menu, choose RUN, type d:\driver\av100c.exe (d:
the CD ROM drive in use), and then click O.K.

3-2
3. For Windows 95
Press the Start button, choose RUN, type d:\driver\av100c.exe
(d: the CD ROM drive in use), and then click O.K.
4. Follow the on-screen instructions to complete the installation
(usually just clicking O.K. will complete the installation).
Fig. 3.1
Fig. 3.2

3-3
3-2 Uninstall the Scanner
You can uninstall the scanner driver by double-clicking on the
Uninstall icon stored in the AV100C Driver group.
...

4-1
Chapter 4 Scanner Operation and
Document Printing
There are two types of application software interface to use with
the AV100C scanner. TWAIN is the most popular interface
among image-editing application software.
Scanning Images from within an Application (TWAIN)
1. Open your application and choose Select Source from the
File menu. If the Select Sourcemenu options are not
available from the File menu, see the user guide of your
application to learn how the TWAIN link is used.
2. A dialog box appears containing the different TWAIN
sources that you can choose for bringing an image into
your application.
3. Select AV100C/16 Driver V3.3 as the source.
4. 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.
5. Place the image to be scanned face down on the scanner.
6. From the File menu, selectAcquire.
7. AV100C TWAIN user interface will pop up on the screen.
Click on thePreview or Scan button to get the image.

4-2
AV100C TWAIN user interface:

4-3
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.
There are no intermediate shades of gray in
between.
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 the image as a
shade of gray (continuous tone). 8-bit gray gives
more detailed information about the image.
True Color(16.7 million colors)
Color image has continuous tones along with its
color hues.

4-4
4-2 Scanning Parameters & Image Control
Resolution: The number of dpi (dots per inch) that AV100C
uses for a scan.
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.
Brightness
Adjustment
Resolution
Control
Contrast
Adjustment