i800 Series Scanners Image Processing Guide User’s Guide A-61510
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1 Introduction Kodak i800 Series Scanners The i800 Scanners are high-volume production scanners which include image processing technology that can improve image quality and sometimes make the reproduction better than the original. You can use the ISIS Driver or TWAIN Data source (both are available on the CD that is included with the scanner) or Kodak Digital Science Capture Software to enable image processing.
About this manual This manual provides the following: Chapter 1, Introduction – includes a brief summary of the Kodak i800 Series Scanners, a list of features available for each scanner and the support drivers. Chapter 2, Best Practices – includes information to use when setting up applications, recommendations on how to handle jam recoveries, image addressing information, controlling print streams, electronic color drop-out and much more.
Image outputs i800 Series Scanners can return bi-tonal, grayscale or color images to the host. Below is a description of the valid combinations. All i800 Scanners are duplex scanners. This means both the front and the rear side of each document may be captured. For each side captured, the scanner creates a bi-tonal/binary only (i810/i830) or a bi-tonal/binary and color/grayscale (i820/i840) image. The host application controls which of these images is transferred to the host to be stored as an image file.
Another example of a simultaneous output where all four images are returned to the host would create the following four files: • Front grayscale: FG.jpg. This image file represents the contents of the front side of the document using 8-bits per pixel. • Front bi-tonal/binary: FB.tif. This image file represents the contents of the front side of the document using 1-bit per pixel. • Rear grayscale: RG.jpg. This image file represents the contents of the rear side of the document using 8-bits per pixel.
2 Best Practices This chapter provides you with recommendations for program logic, which will allow you to interact efficiently with the i800 Scanner. This high-level information is not intended to be used as a coding guide.
Scanner setup To set up the scanner: 1.
3. Determine if any changes to the Image Processing parameters need to be made for the current application. NOTE: This check needs to occur for up to four separate images from the six available options depending on your application: Front Color, Front Bi-tonal, Front Grayscale, Rear Color, Rear Bi-tonal, Rear Grayscale. Image Processing parameter changes remain in effect until one of the following conditions occur: • The scanner is powered down using the power switch.
Disable scanning Scanning is disabled to allow the host to download configuration/ setup changes between jobs and to handle certain types of errors. Scanning is also disabled when one of the following conditions occur: • The scanner is first powered on using the power switch. • A SCSI bus device Reset command is executed. • An End-of-Job indicator is sent by the operator from the operator control panel. • A scanner-unique End-of-Job command is issued by the host computer.
When an error occurs, the host will receive a SCSI Check Condition Status. This indicates to the host that there may be one current error and potentially one or more deferred errors. The host must follow a Check Condition Status with a SCSI Request Sense command. The Sense data will indicate the type of error that has occurred. To receive subsequent pending errors, the host must execute a SCSI Test Unit Ready command.
Controlling image transfer order This section provides job stream examples which can be used in scanning applications. The host application is responsible for determining the order in which the scanner returns images. Front images must always be retrieved before rear images. Bi-tonal only duplex This job stream is available for all i800 Series Scanners. 1. Prepare documents. 2. Start the scanner to do bi-tonal duplex scanning (front bi-tonal and rear bi-tonal). 3.
Grayscale only duplex This job stream is available for i820 and i840 Series Scanners. 1. Prepare documents. 2. Start the scanner to do grayscale duplex scanning (front grayscale and rear grayscale). 3. Setup the scanner to retrieve grayscale images. 4. Enable the scanner and start polling. Loop Read front grayscale image header Read grayscale image Read rear grayscale image header Read grayscale image End loop Dual stream simplex This job stream is available for i820 and i840 Series Scanners. 1.
Dual stream duplex This job stream is available for i820 and i840 Series Scanners. 1. Prepare documents. 2. Start the scanner to do dual stream duplex scanning (front bi-tonal, front color, rear bi-tonal and rear color). 3. Setup the scanner to retrieve bi-tonal images first. 4. Enable the scanner and start polling.
Single-stream duplex alternating between bi-tonal and color/grayscale using the scanner Toggle patch This job stream is available for i820 and I840 Series Scanners. The Toggle patch is a type 4 patch that is used to trigger the scanner to switch from the current image stream (bi-tonal) to the alternative image stream (color/grayscale). The example illustrates using patch type 4 in the same way which the “color patch” is utilized on the Kodak Digital Science Scanner 3590C where it starts using bi-tonal. 1.
Jam and Fault recovery This section provides recommendations for application logic associated with scanner jam and fault recovery. If your scanner is enabled and you are polling when a document jam or other fault occurs, use the following procedure to restart scanning. IMPORTANT: Before beginning fault recovery, make sure all the headers and images have been transferred from the image buffer to the host system.
Image file storage locations This section provides general recommendations regarding the impact of image file storage locations on the overall throughput of the scanner. Depending upon the model of your scanner, you can receive up to four image files per document. Decisions about where to write these files when retrieving them from the scanner could impact the overall throughput of the scanner.
Image addressing Unlike previous high-volume scanners from Kodak, the i800 Series Scanners moved all image address functionality to the host. This includes index format, starting image address, image address format and level rules. Image address format The image address format can be from one to four fields. Each field may be up to 9 characters. Total image address length with delimiters is 30 characters.
Indexing schemes Documents are scanned to record the information in an easily accessible form. The scanner offers the following indexing schemes: • • • • • Single level Two level Two level offset Three level Three level offset Single level indexing When using single level indexing, the image address assigned to each document is defined as follows: • Field D is defined as a Level 1 field having a field length greater than 0. • Fields C, B and A may be defined as fixed fields if desired.
Two level indexing When using two level indexing, the image address assigned to each document is defined as follows: • Field D (Level 1) defined as having a field length greater than 0. • Field C (Level 2) defined as having a field length greater than 0. • Fields B and A may be defined as fixed fields if desired.
Two level offset indexing When using two level offset indexing, the image address assigned to each document is defined as follows: • • Field D (Level 2) defined as having a field length greater than 0. Fields C, B and A may be defined as fixed fields if desired.
Three level indexing When using three level indexing, the image address assigned to each document is defined as follows: • • • • Field D (Level 1) defined as having a field length greater than 0. Field C (Level 2) defined as having a field length greater than 0. Field B (Level 3) defined as having a field length greater than 0. Field A may be defined as fixed field if desired.
The header page for Section 2 is assigned image address 2.00.000. The header page for Chapter 1 of the section is assigned image address 2.01.000. The pages within the chapter are assigned image address(es) 2.01.001 through 2.01.120. Any one of the pages may later be located and retrieved using its unique image address.
Three level offset indexing When using three level offset indexing, the image address assigned to each document is defined as follows: • • • Field D (Level 2) defined as having a field length greater than 0. Field C (Level 3) defined as having a field length greater than 0. Fields B and A may be defined as fixed fields if desired.
The header page for Section 2 is assigned image address 2.00. The header page for Chapter 1 of the section is assigned image address 2.01. The remaining pages of Chapter 1 are also assigned image address 2.01. Either one of the section header or chapter header pages may later be located and retrieved using its unique image address. Pages within a chapter may later be located and retrieved by first finding the chapter header and then manually scrolling through the remaining pages of the chapter.
The following diagram illustrates how document levels are set or changed: 2 1 4 3 1 1 2 3 Generated Automatically Level Instruction: Operator selects Level II using the Level icon on the OCP or uses a patch II document (Level 1 documents are generated automatically using the level to follow level rules).
Level rules Unlike previous high-volume scanners from Kodak, the i800 Series Scanners moved the responsibility for defining and controlling level rules to the host. Level rules are an automated way to control document image addressing based on the level of the previous document. The application must define the Level to Follow Level scheme. For example: For a 3 level indexing scheme the application must define the Level to Follow Level rules for level 3, level 2, and level 1.
Controlling print strings Full control and access to the scanner’s print string functionality is available from the host application. In addition the print string information is returned to the host in the image header. Print String formatting • Maximum character length 40. • Character set full alphanumeric, including special characters. NOTE: To view Japanese characters correctly you must get the MS Gothic font set by installing the Microsoft Global IME 5.
Two categories of performance are provided or each color: Colors that can be completely dropped out and colors that are very close to complete dropout. These values were established by using standard Pantone Matching System® Colors guide (uncoated, 175-line screen). If the background of the document you are using is not bright white the results may vary.
Following is a list of Pantone colors which may be used with the red dropout option.
Green Dropout Near Complete Dropout 122 U 128 U 1355 U 141 U 2705 U 2975 U 304 U 3242 U 337 U 344 U 3248 U 331 U 386 U 393 U 394 U 3935 U 3945 U 3115 U 319 U 3252 U 332 U 372 U 387 U Blue Dropout Complete Dropout 100 U 101 U 102 U 106 U 217 U 223 U 230 U 236 U 2365 U 243 U 250 U 251 U 256 U 2562 U 263 U 2635 U 2705 U 2706 U 2716 U 2707 U 2717 U 2708 U 277 U 278 U 283 U 290 U 2905 U 297 U 2975 U 304 U 3105 U 317 U 318 U 324 U 3242 U 3245 U Blue Dropout Near Complete Dropout Yellow U 2
Image header information An image header is associated with every image captured by the scanner. Following is a list of information available in the image header. Image length size of the image. Image identifier indicates whether the image is front bi-tonal, rear bi-tonal, front color or rear color. Resolution the scanner records the selected scanner image resolution in dots per inch. X-axis upper left pixel horizontal offset to upper left corner of the image.
Deskew the image header reflects whether or not the scanner was asked to perform deskew. If deskew is enabled, the image header also indicates whether or not the document was deskewed. The maximum angle the scanner will deskew is 44.9 degrees. Skew angle image header records the skew angle which was determined for the scanned image. A severe skew angle may result in no deskew being performed. If the scanner is unable to determine a skew angle, the image will not be deskewed.
Sequential counter the scanner assigns a unique Sequential ID Number to each document which is returned in the image header. The host application controls the setting of the starting value for this counter. Patch Type the scanner indicates if a patch type was recognized on the document in the image header. If no patch type is recognized, or if patch reading is not enabled, this value will be zero. Transfer patch types return a value of 99. Values 1 – 6 are returned respectively for patch types 1 – 6.
Zone processing Zone processing is only available on the i820 and i840 Series Scanners. Some applications have a requirement to store part of an image in color or grayscale and the rest of the image in bi-tonal format (this saves storage space by not storing the entire image in color or grayscale). Zone processing is a fixed crop window (the zone) located relative to the upper left corner of a document.
3. Setup the scanner to retrieve bi-tonal images first. 4. Setup front bi-tonal to be auto cropping. 5. Setup front color to be relative cropping. 6. Enable the scanner and start polling.
Programmable keys There are three programmable keys on the Operator Control Panel of the scanner. These keys can be assigned functions by the host application. Programmable keys are available for use by the operator when the scanner is enabled. The Operator Control Panel displays the numbers 1 through 3. These numbers correspond to the buttons on the Control Panel.
Patch Reading Patch reading allows you to change image address (IA) information for a document on the fly, without any host PC or Operator Control Panel intervention. All documents with patch codes are imaged and cannot be automatically deleted by the scanner. Types of Patch Codes A patch code can change the IA level of the document that the patch code occurs on (or the following document in the case of a Transfer patch).
Transfer Patch Code The image header reflects when a Transfer patch code is detected on a document. A Transfer patch is considered to be a Level 0 document. The IA level for the next document following the Transfer patch is assigned to the level (Level 2 or Level 3) that has been previously set. The scanner cannot print on documents containing Transfer patches.
When an additional patch is detected, this document is considered a Level 0 document and will not cause the IA to change. The image header indicates that this is an additional patch document by returning a patch type, which matches the patch detected. The scanner will not print on documents containing these additional patches. See the section entitled “Controlling image order” earlier in this chapter for examples on how to use additional patches.
3 Using the TWAIN Data Source Installation The TWAIN Data Source is included with the scanner. You can install the data source from the CD. 1. Insert the CD into the drive. 2. Double-click the setup.exe file. 3. Follow the instructions on each screen as prompted. After installation is complete, install your application software on the host PC. After your application software is loaded and launched use the TWAIN Data Source software to setup your scanner.
1. Select Start>Run or select Programs>Kodak>Document Imaging>Scan Validation Tool. The Scan Validation Tool dialog box will be displayed. 2. Select TWAIN and Kodak Scanner: i800. If you are using the ISIS driver see Chapter 4. 3. Click OK. 4. Double-click the Scanner icon to access the Kodak Scanner Properties dialog box.
Scan Validation Tool dialog box The Kodak Scan Validation Tool dialog box allows you to verify scanner functionality through the TWAIN Data Source. Button Description Displays the Users Interface for the selected either the ISIS Driver or TWAIN Data Source. Allows you to select the directory to store scanned images and their file names. This option only applies when Save Images To Files is selected. Enables the scanner to initiate scanning. Enables the scanner to feed one page.
Button Description Opens the image viewer to display one image at a time. Opens the image viewer to display two images at a time. Opens the image viewer to display four images at a time. Opens the image viewer to display eight images at a time. Display Every enter the sampling rate of the images you wish to display while scanning. For example, to see every image, enter a value of 1. To see every 10th image, enter a value of 10. Last File displays the full path and file name for the last stored image.
Buttons on the Kodak Scanner Properties dialog box Following are descriptions of the buttons located at the bottom of the dialog box. Defaults when you select Defaults, the message Reset all values to factory defaults? will be displayed. Clicking Yes will reset all values on all tabs to the factory defaults. Copy will copy the settings of the front camera to the rear camera for the color/grayscale or bi-tonal camera selected.
The Imaging tab The Imaging tab allows you to define image processing values that can be applied to your scanner. Image Selection box lists the available sides (front and rear) of an image where you can define individual image processing values. If you have an i810 or i830 scanner, only Front Bi-tonal and Rear Bi-tonal will be displayed. If you have an i820 or i840 scanner, Front Color, Rear Color, Front Bi-tonal and Rear Bi-tonal will be displayed.
Scanning bi-tonal images The descriptions below are for scanning bi-tonal images only. Binarization these settings effect the bi-tonal image. Available settings are: • iThresholding: selecting iThresholding allows the scanner to dynamically evaluate each document to determine the optimal threshold value to produce the highest quality image. This allows scanning of mixed document sets with varying quality (i.e.
When Adaptive Thresholding is selected, Contrast values may range from 1 to 100. A Contrast value of 100 is considered fully adaptive thresholding. Fixed thresholding ATP ATP enabled disabled 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 thresholding sets contrast to 0. If Fixed Processing is selected, Contrast is not available.
Noise Filter occasionally small dots or specks appear in the background of a scanned image. These specks increase file compression size and usually contain no image information. Using the Noise Filter on documents containing very fine detail (e.g., the dot on an "i" in 4-point type) may cause information to be lost. It is recommended that you do not use Noise Filter when scanning documents with text smaller than 7-point type.
Contrast % sets the image contrast by adjusting the difference between black and white, thereby making an image sharper or softer. In a low-contrast setting, the difference between black and white is small, so the image is softer. In a high-contrast setting, the difference between black and white is large, so the image is clearer. Select a contrast value from 1 to 100. The default is 25.
Threshold thresholding is used to convert a grayscale image into a bi-tonal (1 bit/pixel) image. The thresholding 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. Adjust the Threshold setting by dragging the Threshold sliding bar to the left or right to achieve the desired Threshold setting.
Resolution or dots per inch (dpi) indicates the scanning resolution, which largely determines the quality of the scanned image. The greater the resolution, the better the reproduction. However, scanning at a higher resolution also increases scanning time and file size. The industry standard is 200 dpi (about 8 pixels/mm). Choose a resolution value from the drop down list. The default value is 200 dpi. Available resolutions are 200, 240, 300 or 400.
Scanning color images The descriptions below are for scanning color images only. Resolution or dots per inch (dpi) indicates the scanning resolution, which largely determines the quality of the scanned image. The greater the resolution, the better the reproduction. However, scanning at a higher resolution also increases scanning time and file size. Choose a resolution value from the drop down list. The default is 200 dpi.
Color Tables the selection of a color table effects how the scanner reproduces the color of a scanned document. You can chose from six different Kodak default color tables: Pictures, Pictures 2, Text, Text with Pictures, Text with Pictures 2, and Text with Pictures 3. The user can also download and accept custom color tables. For information about custom color tables, refer to the Brightness and Contrast Control Reference Guide, A-61506.
Scanning grayscale images The descriptions below are for scanning grayscale images only. Resolution or dots per inch (dpi) indicates the scanning resolution, which largely determines the quality of the scanned image. The greater the resolution, the better the reproduction. However, scanning at a higher resolution also increases scanning time and file size. Choose a resolution value from the drop down list. The default is 200 dpi.
The Paper tab The Paper tab allows you to define values relating to image output (i.e., cropping values, rotation, paper size and units of measure). Display window lists the available sides of an image that you can define individual image processing values. If you have an i810 or i830 scanner, only Front Bi-tonal and Rear Bi-tonal will be displayed. If you have an i820 or i840 scanner, Front Color, Rear Color, Front Bi-tonal and Rear Bi-tonal will be displayed.
Cropping values Cropping allows you to capture a portion of the document being scanned. You can define the cropping area by the x and y offset values, width and length. All cropping options can be used with color and bi-tonal images and are front/rear and dual stream independent. Only one cropping option can be assigned per image.
Original Bi-tonal image Relative Cropping You can enter the desired values in the fields or use the arrow keys to define the desired area. The Display window will show image placement as you change the values. If a relative cropping zone falls outside the auto-cropped image, a message will be displayed. Automatic Deskew select this option to automatically deskew a document within ±0.3 degrees of the document’s leading edge.
Width — the width of the scanning area. Length — the length of the scanning area. If Overscan is not selected, the scanner will not continue capturing beyond the trail edge of the document. For example, if you setup the scanner for 8 ½” x 11” portrait-fed documents, and you scan an 8 ½ x 4” document, the scanner will return an 8 ½ x 4” scanned area. Center Frame when using fixed cropping, automatically calculates the X-offset for center-fed feeding based upon document size selected.
The Compression tab The Compression tab allows you to compress image files. Display window lists the available sides of an image that you can define individual image processing values. If you have an i810 or i830 scanner, only Front Bi-tonal and Rear Bi-tonal will be displayed. If you have an i820 or i840 scanner, Front Color, Rear Color, Front Bi-tonal and Rear Bi-tonal will be displayed. For more information about these selections, see the section entitled “Image outputs” in Chapter 1.
For color/grayscale scanning the following compressions are available: • • JPEG None JPEG Quality JPEG compression offers a JPEG quality of Draft, Good, Better, Best, Superior. Draft gives you the smallest file size with draft image quality; Good gives you a larger file size with good image quality, Better gives a larger file size with better image quality and Best gives you a larger file size with the best image quality. Superior gives you largest files size with superior image quality.
The Dropout tab Electronic Color Dropout is used to eliminate a form’s background so that a document management system may automatically (through OCR and ICR technology) read pertinent data without interference from the lines and boxes of the form. The i800 Series Scanners can dropout either red, green or blue. The Dropout tab allows you to select the desired dropout color, alter the filter threshold and background. Display window electronic color drop-out is available only for bi-tonal images.
Background this value will be substituted in the grayscale (pre-thresholded) image for the color being removed. Therefore, this value should be higher than the threshold value selected on the Imaging tab for this pixel to become the background color.
The Image Address tab A-61510 January 2005 Image addressing provides better document management opportunities. Image addressing is used for document tracking, batch control and image management. The Image Address tab allows you set an image address starting point and increment the image address according to how the application is setup. The image address can also be printed on the pages scanned along with delivering the image address in the image header.
Image Address area The Image Address area allows you to enter a starting image address. Current value displays the next image address which will be used if no value is entered in the image address field. Image Address an image address is a unique identifier assigned to each individual document and may contain up to 30 characters consisting of a maximum of 27 digits and 3 delimiters. The structure of this field must match the format defined in the Image Address Template fields.
For each field, use the Field Guide to assign the purpose of the field and its width. In the example below, Field A is defined as a 5-character fixed field. Field B is defined as a 4-character level 3 field. Field C is defined as a 3-character level 2 field, and Field D is defined as a 2-character level 1 field. Level to Follow Level Rules These are the rules the scanner will follow to set the next image address level if there are no other inputs. For example, patch sheet or end of batch processing.
The Batch tab Batching is the operation of counting pages or documents. Batch Control area The Batch Control area defines the level to count the number of documents in the batch and any actions to be taken at the beginning and end of a batch. Batch Count defines the number of documents to be counted prior to performing a predefined action. Batch Level sets the level to count. Options are Level 1, Level 2, Level 3 or disabled (no batching).
Batch End Function defines the action to be taken after processing the last document in the batch. Options are Stop Feeder, End of Job, Start New Batch or No action. Patch Control area The Patch Control area provides choices of what patch type to recognize. One or more patches can be selected at a time. The following patch types can be recognized. Patch Types 1, 4 and 6 – these patch types can be used by the host for post-scan image control (they are not used for image addressing).
Patch Types 2, 3 and T these patch types are used for image addressing. When the Patch Reader detects a patch, it automatically assigns a new image address to the new document. This eliminates the task of trying to determine where one document stops and the next starts when an operator is viewing electronic images. It provides a hierarchical document structure and offers an auto-batching alternative.
Button Control area This section is used to assign actions the operator uses from the Operator Control Panel. Function Key #1, Function Key #2 and Function Key #3.
The Multifeed tab Multi-feed Detection aids in document processing by detecting documents that may go through the feeder overlapped. Multi-feeds can happen due to stapled documents, adhesives on documents, or electrostatically charged documents. 3D Multi-feed Detection combines ultrasonics (amplitude and phase) with physical length detection to virtually eliminate the chance of loosing data due to multi-feeds. The Ultrasonic Sensor is located in the center of the transport (behind the feeder module).
Sensitivity controls how aggressively the scanner will work to determine if more than one document is fed into the transport. Multi-feeds are triggered by detecting air gaps between documents. This allows multi-feed detection to be used with job sets containing documents with mixed thicknesses. You may set the Multi-Feed Detection to high, medium or low sensitivity. If you disable Sensitivity, no phase or amplitude checking is used.
The Options tab The Options tab allows you to set Image Transfer, Transport and Lamp controls. Image Transfer Order if you using dual stream scanning (bi-tonal and color/grayscale) for either side, this option controls the order in which the scanner will return image data. For example, if you are scanning color/grayscale and bi-tonal and you select Bi-tonal Image, the scanner will return the bi-tonal front image, then the front color/grayscale image.
Transport Timeout allows you to set a transport timeout value. This value is the amount of time the scanner will wait after the last document enters the transport before the transport timeout action is taken. You can specify a time delay setting from 5 to 300 seconds. The default is 10 seconds. If this option is disabled, the transport will continue to run until the Stop/Pause key is pressed or is stopped by the host.
The Printer tab The Document Printer 1 provides a vertical print capability that is programmed to support alphanumeric characters as defined by the host. It supports date, image address, time, document count and custom messages. All print information is captured in a document header record. These printer controls and functions are accessed via the Printer tab. Enable check this option to enable the Document Printer 1.
Print String To build the print string: 1. Select the Level you want to define from the drop-down box. 2. Enter the message you want printed in the Print String field and/or select the predefined options by double-clicking on the desired option in the drop-down box. NOTE: The maximum amount of characters for each print string is 40 characters (including spaces). 3. Once the print string is defined, repeat Steps 1 and 2 for defining other levels.
Counter Format used to control the width of the document counter. Values range from 1-9. The following choices are available for printing the counter format. • Display leading zeros format (e.g., 0009) • Suppress leading zeros format (e.g., 9) • Compress leading zeros format (e.g., 9) Date Format select one of the date formats: Forward slash (/), hyphen (-), period (.), blank or none. For example: 04/05/2001, 04-05-2001, 04.05.2001 or 04 05 2001 or 04052001 (none).
Printing orientation You can select what orientation you want your information to be printed in as well as the location on your document. Font two different character sizes, referred to as Large and Small, are available. Information is printed on each document in one of the two orientations: Comic or Cinema.
.5 in = Y offset A Start position Character top Printing area Paper NOTE: Printing automatically stops 6.3 mm (1/4-inch) from the trailing edge of the document even if the information has not been completely printed. Horizontal Print Position The horizontal print position is set manually in one of the 13 positions on the Document Printer mounting plate.
The Setup tab The Setup tab allows you to download firmware and set the scanner clock. Firmware the scanner firmware runs your Kodak i800 Series Scanner. The value displayed in the Current field is the version of firmware currently in use by your scanner. Periodically Kodak releases updated versions of firmware which are available from the Kodak website. This firmware should only be downloaded to your scanner when directed by Kodak service personnel.
The Info tab The Info tab displays information about your scanner. Scanner Data shows the following information about your scanner: Scanner Model, Scanner Configuration, Firmware Revision, Minimum Scan Resolution, Maximum Scan Resolution, Scanner Serial Number, Scanner CPU Date/Time, and the Name and Company of the person who installed the scanner.
4 Using the ISIS Driver Installation The ISIS driver is included with the scanner. You can install the driver from the CD. 1. Insert the CD into the drive. 2. Double-click the setup.exe file. 3. Follow the instructions on each screen as prompted. After installation of the driver is complete, install your application software on the host PC. After your application software is loaded and launched, use the ISIS driver software to setup your scanner.
1. Select Start>Run or select Programs>Kodak>Document Imaging>Scan Validation Tool. The Scan Validation Tool dialog box will be displayed. 2. Select ISIS and Kodak Scanner: i800. If you are using the TWAIN driver see Chapter 3. 3. Click OK. 4. Double-click the Scanner icon to access the Kodak Scanner Properties dialog box.
Scan Validation Tool dialog box The Kodak Scan Validation Tool dialog box allows you to verify scanner functionality through the ISIS Driver. Button Description Displays the Users Interface for the selected either the ISIS Driver or TWAIN Data Source. Allows you to select the directory to store scanned images and their file names. This option only applies when Save Images To Files is selected. Enables the scanner to initiate scanning. Enables the scanner to feed one page.
Button Description Opens the image viewer to display one image at a time. Opens the image viewer to display two images at a time. Opens the image viewer to display four images at a time. Opens the image viewer to display eight images at a time. Display Every enter the sampling rate of the images you wish to display while scanning. For example, to see every image, enter a value of 1. To see every 10th image, enter a value of 10. Last File displays the full path and file name for the last stored image.
Scanner Settings dialog box The section provides a description of the Scanner Settings dialog box. This main dialog box provides high level access to the functionality of the scanner giving you the ability to control the characteristics of all four possible imaging combinations depending on the model of your scanner. NOTE: For the purpose of this manual, all displayed dialog boxes assume the features available on the Kodak i840 Scanner.
Buttons on the Scanner Settings dialog box Following are descriptions of the buttons located at the bottom of the dialog box. More displays the More Scanner Settings dialog box. This dialog box provides additional image processing settings unique to i800 Scanners. Area displays the Scan Area dialog box. Copy this function is only available when using the scanner in Duplex mode.
Camera settings area The selections in the Camera area list the available sides (front and back) of an image where you can define individual image processing values. For more information about the Camera selections see the section entitled, “Image outputs” in Chapter 1. When starting the configuration process, use the steps below as a guide: 1. Check the images you wish to capture (Enable camera settings). 2. Select the order to transfer the images (Define Transfer Order). 3.
Image Processing settings The other options on this dialog box allow you to define image processing values that can be applied to your scanner. Scan Mode the host computer provides information to the scanner defining whether to scan one or both sides of the image. Simplex indicates that only one side (front side) of the image will be scanned. Duplex indicates that both sides of the image will be scanned.
Page size and layout The default paper size is set when a scanner is first selected. You can choose a different paper size using the drop-down list box. NOTE: The Page Size and Page Layout selections also appear on the Area dialog box. If you make a change on the Scanner Settings dialog box, the same selections will appear on the Area dialog box and vice versa. The Page Layout area allows you to select either Portrait or Landscape.
When Adaptive Thresholding is selected, Contrast values may range from 1 to 100. A Contrast value of 100 is considered fully adaptive thresholding. Fixed thresholding ATP disabled ATP enabled Error Diffusion screens photographic areas of a document to simulate gray levels yet sharpens the edges of text. It is recommended that error diffusion be used when a mix of text, graphs, pictures and colors in the documents are being scanned.
Cropping allows you to capture a portion of the document being scanned. All cropping options can be used with color/grayscale and binary images. Front and Rear cropping are independent, however, for dual stream scanning color/grayscale and binary cropping must be the same per side. Only one cropping option can be assigned per image.
This option may be used in conjunction with auto cropping where a separate color/grayscale or binary area to be saved is desired. It is very useful in applications where a photograph, signature, embossment or seal appears in a consistent area for an application (you may want that small area in color/grayscale and the rest in binary). Original Binary image Relative Cropping To define the zone, select Area… to display the Scan Area dialog box.
Contrast % sets the image contrast by adjusting the difference between black and white, thereby making an image sharper or softer. Contrast is only available for binary images. In a low-contrast setting, the difference between black and white is small, so the image is softer. In a high-contrast setting, the difference between black and white is large, so the image is clearer. Select a contrast value from 1 to 100. The default is 50.
200 dpi; 80 Threshold; 20 Contrast 200 dpi; 80 Threshold; 100 Contrast Lighten, Normal and Darken are used as quick sets to adjust the threshold. Lighten = 72, Normal = 90 and Darken = 128.
More Scanner Settings dialog box A-61510 January 2005 Additional image processing values unique to the i800 Scanner are available when you choose the More button on the Scanner Settings dialog box.
Camera settings area The selections in the Camera area list the available sides (front and back) of an image where you can define individual image processing values. If you have an i810 or i830 scanner, only Front Binary and Back Binary will be displayed. If you have an i820 or i840 scanner, Front Color, Back Color, Front Binary and Back Binary will be displayed. For more information about the Camera selections see the section entitled, “Image outputs” in Chapter 1.
JPEG Quality JPEG compression offers a JPEG quality of Draft, Good, Better, Best, Superior and Sharpen. • Draft the smallest file size with draft image quality. • Good a larger file size with good image quality. • Better a larger file size with better image quality. • Best a larger file size with the best image quality. • Superior the largest files size with superior image quality. • Sharpen this filter increases the edge contrast of the image without effecting the color component.
Deskew check this option to automatically deskew a document within ±0.3 degrees of the document’s leading edge. Automatic deskew can detect up to a 45-degree skew and correct up to a 24-degree angle at 200 dpi or a 10-degree skew angle at 300 dpi. NOTE: To prevent data loss, the document must have all four corners within the image path. Color Table the selection of a color table effects how the scanner reproduces the color of a scanned document.
Noise Filter Occasionally small dots or specks appear in the background of a scanned image. These specks increase file compression size and usually contain no image information. Using the Noise Filter on documents containing very fine detail (e.g., the dot on an "i" in 4-point type) may cause information to be lost. It is recommended that you do not use the Noise Filter when scanning documents with text smaller than 7-point type.
Buttons on the Scanner Settings dialog box Following are descriptions of the buttons located at the bottom of the dialog box. Scanner Control displays the Scanner Control dialog box. This dialog box allows you to set multi-feed detection, transport control, enable/disable lamp saver and set the programmable key functions. The settings in this dialog box do not affect the quality of the image. See the section entitled, “Setting scanner controls” later in this chapter.
Setting scanner controls A-61510 January 2005 The Scanner Control dialog box allows you to set the following controls: • • • • Multi-feed and Ultrasonic detection Transport Control Lamp Saver functionality Function Keys (Programmable keys) 4-21
Setting Multi-feed detection Multi-feed Detection aids in document processing by detecting documents that may go through the feeder overlapped. Multi-feeds can happen due to stapled documents, adhesives on documents, or electrostatically charged documents. 3D Multi-feed Detection combines ultrasonics (amplitude and phase) with physical length detection to virtually eliminate the chance of loosing data due to multi-feeds.
Ultrasonic Detection Sensitivity Sensitivity controls how aggressively the scanner will work to determine if more than one document is fed into the transport. Multi-feeds are triggered by detecting air gaps between documents. This allows multi-feed detection to be used with job sets containing documents with mixed thicknesses. You may set the Multi-Feed Detection to high, medium or low sensitivity. If you disable Sensitivity, no phase or amplitude checking is used.
Response allows you to specify the action that will be taken when the transport timeout has been reached. • Stop Feeder and Transport: stops the feeder and the transport but leaves the scanner enabled. Scanning may be resumed by pressing the Start/Resume button. • End Job: stops the feeder and the transport and disables the scanner. Scanning cannot be resumed until the scanner is enabled by the host. Enabling Lamp Saver mode Enabling Lamp Saver extends lamp life and reduces energy consumption.
Enabling and setting Document Printer options The Document Printer 1 provides a vertical print capability that is programmed to support alphanumeric characters as defined by the host. It supports date, image address, time, document count and custom messages. All print information is captured in a document header record. These printer controls and functions are accessed via the Imprinter dialog box. Enable Imprinter check this option to enable the Document Printer 1.
Format Template the format template is used to build the print string. The print string is what is printed on documents as they travel through the transport. The print string is printed before the document is scanned, therefore, it is part of the image. The maximum amount of characters for each print string is 40 characters (including spaces). Print String To build the print string: 1. Select the level you want to define from the drop-down box. 2.
The following information can be printed: • Formatting characters: – Image Address Field %A, %B, %C, %D these fields are defined on the Image Address dialog box. – Sequential Counter %S: this value is used to assign the document count for the next document entering the transport. This value is incremented sequentially by the scanner unless another document count is received from the host. This value is returned in the image header. – Time %T: valid format is HH:MM.
Counter • Initial Value: this value is used to assign the document count for the next document entering the transport. This value is incremented sequentially by the scanner unless another document count is received from the host. This value is returned in the image header. • Field Width: used to control the width of the document counter. Values range from 1 to 9. • Format the format in which the image address appears when printed is defined on the Image Address dialog box.
Text Options • Top Margin: allows you to define the distance from the lead edge before the print string begins. This value can be defined in Inches, Centimeters or Pixels. Set this value using the slider bar. 0.5 inches A Start position Character top Printing area Paper NOTE: Printing automatically stops 6.3 mm (1/4-inch) from the trailing edge of the document even if the information has not been completely printed.
• Font/Orientation: You can select the orientation you want your information to be printed in as well as the location on your document. − Character sizes: Normal or Large − Font Orientation: Portrait or Landscape.
Setting Color Dropout values Electronic Color Dropout is used to eliminate a form’s background so that a document management system may automatically (through OCR and ICR technology) read pertinent data without interference from the lines and boxes of the form. The Color Dropout dialog box allows you to select the desired dropout color, and alter the filter threshold and background. Electronic color dropout is available only for binary images.
Background Value this value will be substituted in the grayscale (pre-thresholded) image for the color being removed. Therefore, this value should be higher than the threshold value selected on the Scanner Settings dialog box for this pixel to become the background color. The default value is 160. For example, if you are scanning a white document with a green form and you have selected a binary threshold value of 127.
Defining Batch and Patch Code Definition values Batching is the operation of counting pages or documents. Enabling Batch Separation The Batch function allows you to define the level to count the number of documents in the batch and any actions to be taken at the beginning and end of a batch. To enable Batch Separation click the Enable Batch Separation box. Batch Level to Count sets the level to count. You can select Level 1, Level 2, or Level 3.
Enabling Patch Codes Patch Control allows you to select what patch types to recognize. One or more patches can be selected at a time. Enable Patch Codes to enable Patch Codes click the Enable Patch Codes box. Recognition Modes allows you to select the patch type the scanner will recognize. You can select Level 2, Level 3, Feature Patch, or Transfer Patch. Each of these patch types is described in detail below. Patch Types Level 2, Level 3 and Transfer these patch types are used for image addressing.
Feature Patches (Patch Types 1, 4 and 6) these patch types can be used by the host for post-scan image control (they are not used for image addressing). For example, use these patch types for changing between binary and color/grayscale imaging or workflow control. Patch 1 (Do not use these patches for production – they are not to spec) Patch 4 (Do not use these patches for production – they are not to spec) NOTE: Patch 4 can also be used as a Toggle patch.
Image addressing A-61510 January 2005 Image addressing provides better document management opportunities. Image addressing is used for document tracking, batch control and image management. The Image Address dialog box allows you set an image address starting point and increment the image address according to how the application is setup. The image address can also be printed on the pages scanned along with delivering the image address in the image header.
Format string this text field allows you to structure your image address. Fixed field information entered in this field will be reflected in the Image Address area in Fields A through D. To indicate the position of an image address level use the format character (%3L – Level 3, %2L – Level 2, %1L – Level 1) which represents that level. For image address levels the value indicated in Fields A through D will be the start value as defined in the Counters area Start Value field.
Counters for each image address level enter a Start Value, Width and Level to Follow level. • Start Value: the start value is reflected in the image address in the field designed by the format string. • Width: a value of 0 indicates that no image address level will be used. Widths cannot exceed 9 characters. Level to Follow: these are the rules the scanner follows to set the next image address level if there are no other inputs. For example, patch sheet or end of batch processing.
Defining the Scan Area The Scan Area dialog box is only available for images when the Cropping option selected on the Scanner Settings dialog box is either Fixed Cropping or Relative Cropping. NOTE: Select the side and image to be defined by highlighting Front Color, Front Binary, Back Color or Back Binary as appropriate based on the cropping option you selected for each of these in the Scanner Settings dialog box. The scan areas defined for all four camera selections are independent.
Page size and layout the default paper size is set when a scanner is first selected. You can choose a different paper size using the drop-down list box. NOTE: The Page Size and Page Layout selections also appear on the Scanner Settings dialog box. If you make a change on the Area dialog box, the same selections will appear on the Scanner Settings dialog box and vice versa. The Page Layout area allows you to select either Portrait or Landscape.
Appendix A High Volume Scanner Comparison Table The chart below provides a comparison of Kodak High Volume Scanners.
EASTMAN KODAK COMPANY Document Imaging Rochester, New York 14650 Kodak is a trademark of Eastman Kodak Company.
