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2-29

Scanning Procedure

Usually, it is helpful to first scan a document off-line-that is, without host
transfer of the data to determine the optimum scanning parameters. You
can make use of the new Echo Scan key to make such changes more easily
when scanning documents with varying image quality and contrast.

1. Set up the Scanner (and Host, if any) with the proper scanner Firmware

options.

Refer to "The Options Key" on page 2-19 for more information about
setting these scanner options. Refer to the Host's documentation for
information about its appropriate hardware, firmware, and software
option settings.

2. Set the first four Scan Parameters-Speed, Pos/Neg, Resolution, and

Size.

Since these parameters cannot be changed during a scan, it is best to set
them correctly before loading the document to be scanned. Refer to
"Parameter Control Keys - Green" on page 2-10 for more information.

3. Load the document.

You can do this in either automatic or manual mode. In either case,
refer to "Loading the Document into the Scanner" on page 2-27 for
more detailed information.

4. Observe the Preview Display monitor to see what data is being detected.

If desired, you can Zoom In or Zoom Out for a better look.

Refer to "Preview Display Control Keys-Orange" on page 2-3 and
“Preview Display Control Procedure” on page 2-5 for complete
information on controlling the Preview Display monitor.

5. Set the remaining four Scan Parameters-Filter, Tracking, Lighter, and

Darker-until the image is of optimal overall quality.

Refer to "Parameter Control Keys - Green” on page 2-10 for more
information. These keys vary the amount and quality of data being
captured.

6. If necessary, press the Echo Scan key to rescan problem areas until the

optimal Scan Parameter settings are obtained.

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Содержание CF1000/44

Страница 1: ...nner Operations Manual Firmware Rev S27x or higher Scan Graphics Inc 700 Abbott Drive Broomall Pennsylvania 19008 Part Number A62951 10 Telephone 610 328 1040 Revision Number P FAX 610 543 6257 Revision Date 8 21 96 ...

Страница 2: ...or service without the written approval of Scan Graphics Inc first being obtained TRADEMARK NOTICE Scan Graphics Scangraphics ScanServ and CF Series Scanner are trademarks of Scan Graphics Inc PATENT NOTICE This product is manufactured under U S Patent 4631598 U S Patent 4972273 U S Patent 5218457 and other patents pending AGENCY APPROVALS This product is listed by Underwriters Laboratories Inc as...

Страница 3: ... any kind and without any representation regarding quality performance or suitability Scangraphics does not warrant the Software free from defects or that the support services will correct all defects which might exist Scangraphics warrants for the benefit only of the Buyer that the Scangraphics Software shall conform in material respects to the Scangraphics Software User s Manual provided by Scan...

Страница 4: ...chased product Scangraphics sole and exclusive remedy and entire liability hereunder shall be the repair or replacement of component parts or software proving defective and limited to the value of the product subject to the remedy regardless of the form of action whether it is in contract or in tort including negligence Scangraphics MAKES NO REPRESENTATION OR WARRANTY OTHER THAN THOSE SET FORTH IN...

Страница 5: ... it easy for anyone to use Appendix A covers site selection unpacking and set up of the scanner We recommend that you read the entire manual before attempting regular production since some functions affect the results of other functions Conventions Used in This Guide Keypad keys are shown in bold type For example the Scan key is shown as Scan and the Reverse key as Reverse Related Scangraphics Doc...

Страница 6: ... Scan Graphics Inc If you are calling to report a problem be sure to have on hand error messages printouts or documents that sequence the events leading up to the problem The more specific the information the faster the problem can be resolved Contact Scan Graphics Inc 700 Abbott Drive Broomall Pennsylvania 19008 Telephone 610 328 1040 FAX 610 543 6257 ...

Страница 7: ...IFICATIONS 1 1 Features 1 1 User Interface 1 1 Critical Calibration 1 1 Advanced Image Processing 1 1 Multiple Resolution 1 1 Preview Display Monitoring option 1 1 Diagnostics 1 2 Construction 1 2 Specifications 1 3 Functional Specifications 1 3 Input Characteristics 1 5 Physical Specifications 1 5 Power Specifications 1 6 Environmental Specifications 1 6 ...

Страница 8: ... Procedure 2 5 Document Transport Control Keys Yellow 2 6 The Reverse Key 2 7 The Auto Key 2 8 Scanner Control Key White 2 9 The Scan Key 2 9 Parameter Control Keys Green 2 10 The Speed Key 2 10 The Positive Negative Image Key 2 10 The Resolution Key 2 11 The Size Key 2 12 The Filter Key 2 13 The Tracking Key 2 17 The Lighter Key 2 18 The Darker Key 2 18 The Options Key 2 19 Special Document Trans...

Страница 9: ...28 Automatic Mode 2 28 Setting Scan Parameters 2 28 Scanning Procedure 2 29 3 CF SERIES SCANNER INSTALLATION AND SET UP 3 1 Environmental Concerns 3 1 Site 3 1 Airflow 3 1 Ambient Light 3 1 Vibration 3 2 Temperature 3 2 Humidity 3 2 Unpacking 3 2 Connections 3 2 ...

Страница 10: ...l Key 2 9 Figure 2 5The Parameter Control Keys 2 10 Figure 2 6 Keys for Adjusting the Background Noise Filter 2 15 Figure 2 7 The Display Control Keys 2 19 Figure 2 8 Down Arrow and Up Arrow Keys 2 20 Figure 2 9 Keypad Display After Pressing Opt Once 2 20 Figure 2 10 Options One through Four Keypad Display Examples 2 21 Figure 2 11 Special Document Transport Control and Echo Scan Keys 2 25 ...

Страница 11: ...xi List of Tables Table 1 A Nominal Scan Speed Resolution Chart 1 3 Table 2 A Factory Set Scan Width Sizes 2 12 Table 2 B ANSI and ISO Document Size Standards 2 12 ...

Страница 12: ......

Страница 13: ...lectronic alignment of Y axis merge Electronic alignment of X axis splice Advanced Image Processing Speckle Removal Gap Filling Patented Local Area Adaptive Thresholding Contrast Enhancement Polarity reversible to scan both positive and negative images Image mirroring Multiple Resolution Available resolutions range from 1600 to 100 dpi Refer to Table 1 A for available resolution values Patented Tr...

Страница 14: ... continue scanning the rest of the document With Echo Scan you can fine tune the scan parameters for the best possible image quality in all areas of the document Diagnostics Self diagnostic tests are performed at power up and on rebooting unless manually overridden More powerful menu driven internal diagnostic software is available for use by factory trained technicians Construction Solid construc...

Страница 15: ...raphics ScanServ ver 3 0 0 or above Table 1 A Nominal Scan Speed Resolution Chart Output Scanning Speed in inches per minute Resolution CF1000 44 CF500 44 CF400 36 CF300 44 1600 dpi 3 91 1000 dpi 6 2 11 12 800 dpi 7 7 17 33 700 dpi 8 8 600 dpi 10 3 23 14 500 dpi 12 3 22 2 400 dpi 15 4 27 7 34 6 300 dpi 20 5 36 9 46 2 46 2 200 dpi 30 8 55 4 69 2 69 2 100 dpi 110 8 138 5 138 5 1 1600 true longitudin...

Страница 16: ...dpi 800 dpi true longitudinal and interpolated lateral CF300 44 100 to 300 dpi 600 dpi true longitudinal and interpolated lateral Accuracy Repeatability 04 lateral Note Measured over 40 inches for CF Series 44 scanners and over 35 inches for CF400 36 scanner 04 longitudinal Note Measured over 20 inches for all CF Series scanners Imager Sensor Multiple CCD arrays Transport Continuous feed ...

Страница 17: ...operator feed skew is zero Document Thickness 003 to 062 inches 07 to 1 56 millimeters Media Types Media types include paper mylar vellum sepia bluelines onionskin cardboard backed paste ups and photographic negatives among others Physical Specifications Height 41 inches 112 centimeters Width 53 inches 132 centimeters Depth 20 inches 56 centimeters Weight 380 pounds 172 kilograms External Finish P...

Страница 18: ...re 18 to 30C 64 to 86F Non Operating Temperature 5 to 40C 41 to 104F Humidity The scanner can operate at any humidity level short of condensation Other Environmental Limitations The scanner is designed to operate in a typical office type environment although it can operate in more industrial settings provided that the area is kept clean Clearance A one foot air space should be allowed at the rear ...

Страница 19: ...tripped and popped out If it has push it in and try to turn the power on again If the breaker continues to trip call a qualified service technician When power up is successful a message momentarily appears on the scanner s display noting the revision level of the firmware If you press any keypad key while this message is displayed the scanner will skip its self test sequence Otherwise this message...

Страница 20: ...pad and Keypad Display Window Keypad controls on the scanner let you set parameters and scan documents Also the current values for the various parameters are shown in a one line Vacuum Fluorescent Display VFD window on the keypad The VFD display will be referred to as the keypad display throughout this manual The scanner s speed positive negative polarity resolution window size filter setting trac...

Страница 21: ... most in the preview display but is right most in the scanner bed Then use the Left Arrow and Right Arrow keys to adjust the location to the strip of document you wish to view Alternately you may select the strip of the document you wish to view before pressing Zoom In To do this select the area to be viewed by first pressing Highlight Bar to display a highlighted area of the scan in reverse video...

Страница 22: ...lution of the scanner the size of the document and whether or not you are already zoomed in Left Arrow is always used in conjunction with the other preview display control keys Refer to Preview Display Control Procedure on page 2 5 for more information Pressing the Left Arrow key may be repeated for further movement You can also use it to view the extreme boundaries of large size documents on the ...

Страница 23: ...age 2 5 for more information Pressing the Right Arrow key may be repeated for further movement You can also use it to view the extreme boundaries of large size documents on the display When the window can be moved no further to the right you will hear a tone when pressing this key Preview Display Control Procedure The following instructions demonstrate the usual sequence in which the preview displ...

Страница 24: ...splay will zoom in to the first strip of document scanned that is the left most strip in the preview display but the right most strip in the document feeder Document Transport Control Keys Yellow The yellow keys shown in Figure 2 3 control the direction of the document transport system and toggle its automatic loading mode on and off Figure 2 3 The Document Transport Keys NOTE There are other keys...

Страница 25: ...his is accomplished by pressing Reverse to prevent the document from running straight through the scanner NOTE You must press Scan to stop the scanner before changing its direction with the Reverse key Refer to Scanner Control Key White on page 2 9 for more information When both the Reverse LED and the Scan LED are continuously lit the image appears reversed on the preview display monitor that is ...

Страница 26: ...The document will engage with the transport rollers which feed the document in and load it automatically stopping just short of the scan window Here the document awaits the start of a scan through either the Scan key or a signal from the host and the Scan key s LED blinks After Scan is pressed or the signal to start scanning is received from the host the Scan LED will be continuously lit the docum...

Страница 27: ...em When the scanner is set to automatic mode and a document is loaded the LED on the Scan key will blink to indicate that the scanner is Ready Then when Scan is pressed the document transport system starts immediately and the collection of scanned data begins as soon as the document starts moving across the scan window When the scanner is in manual mode the Scan LED is off whether or not a documen...

Страница 28: ...a throughput Other speeds cut the data rate by half quarter 8th and 16th to accommodate host configurations that cannot handle the fast data rate NOTE The Speed key cannot be switched while the scan is taking place The Positive Negative Image Key The Pos Neg key determines whether the image scanning polarity is positive or negative Positive image scanning polarity means that a positive image will ...

Страница 29: ...ive as the background 1 Press Pos Neg once to change the image polarity The current polarity setting appears in the keypad display just above the Pos Neg key 2 Press Pos Neg again to change it back The image polarity setting affects the amount of data collected by defining which portions of the image are considered marks and which are considered background However it will not change the printed im...

Страница 30: ...n Organization standard document sizes along with their dimensions in inches and centimeters Table 2 A Factory Set Scan Width Sizes Size Scan Width A 11 inches B 17 inches C 22 inches D 34 inches E 41 43 inches Table 2 B ANSI and ISO Document Size Standards ANSI Standards ISO Standards A 8 5 x 11 in 21 6 x 27 9 cm A4 8 2 x 11 6 in 20 8 x 29 5 cm B 11 x 17 in 27 9 x 43 2 cm A3 11 6 x 16 5 in 29 5 x...

Страница 31: ...nhancement Filter This filter is used to adjust to three possible levels of document contrast quality This filter applies to both Binary and Grayscale data formats The possible filter settings are as follows Off Neither the Contrast Enhancement Filter nor the Background Noise Filter are activated Use this setting for scanning high contrast excellent quality documents that have no obvious backgroun...

Страница 32: ...t is hard to tell the image from its background Follow the instructions below to change the filter settings 1 Press Filter once to advance to the next available filter setting 2 Repeat Step 1 until the desired filter setting appears in the keypad display NOTE You can press the Filter key to switch the filter settings while the scan is taking place The Contrast Enhancement Filter The Contrast Enhan...

Страница 33: ...Off Use this setting for documents with excellent image quality It is possible to further adjust the On setting by using the A B C and D keys to select the filter s active pixel area These settings affect the level of image enhancement Refer to Background Noise Filter Settings on page 2 15 for more information Background Noise Filter Settings When the Background Noise Filter is turned on you may d...

Страница 34: ...7 Filter Area In the 7x7 neighborhood pixel group the 16 pixels surrounding the 5x5 filter area are considered when deciding whether the center pixel should be removed or filled To change the Background Noise Filter s active pixel area do the following 1 Make sure that the Background Noise Filter is turned on The Background Noise Filter is turned on when the Filter key setting is any of the follow...

Страница 35: ...ocument In this mode thresholds are applied as a percentage of light detected by the scanner relative to surrounding document areas LAT corrects for variations in the document s background When LAT is Off thresholding is absolute In absolute thresholding mode thresholds are applied strictly as a percentage of light detected by the scanner Turn LAT on when the document you wish to scan has varying ...

Страница 36: ...will be absolute NOTE The threshold value can be made lighter while the scan is taking place The Darker Key The Darker key lowers the threshold for binary data detection one unit at a time in the range of 0 black to 63 white Any pixel as dark or darker than the threshold value is considered a mark that is a part of the image 1 Press Darker to lower the threshold value Each time you press Darker th...

Страница 37: ...on or exiting The Autocalibration function calibrates the scanner s camera system without the need for a local diagnostic terminal 3 Reboot Scanner PROCEED or Exit The choices for the Reboot Scanner option are between proceeding or exiting Proceeding will reboot the scanner from the boot up parameters stored in the NVRAM 4 Save Parameters PROCEED or Exit The choices for the Save Parameters option ...

Страница 38: ...n the upper left corner of each key is lit Procedure for Setting Scanner Options The following procedure explains how to view choose and change the state settings of the various scanner options 1 Press Opt Figure 2 9 Keypad Display After Pressing Opt Once The scanner enters its option selection mode and the keypad display changes to that shown in Figure 2 9 You may press either the Down Arrow or t...

Страница 39: ...on the right side of the keypad display steps through the possible choices for using that option An example of this is shown in Figure 2 12 Each choice is preceded by the key you must press to select it The Opt key always represents the choice to Exit the option without proceeding or changing a parameter 4 Press the appropriate letter key or Opt to choose the desired state or setting for the optio...

Страница 40: ...h Thresholding and the Binary Filter to produce 8 bit grayscale output data Press A to select GRAY Grayscale Data Format Binary The Binary Data Format will pass through the Contrast Enhancement Filter and then proceed first through Thresholding and then through the Binary Filter to produce thresholded 1 bit binary output data Press B to select BINARY Binary Data Format Exit Press Opt to Exit selec...

Страница 41: ... step by step instructions 3 Press A to start the calibration When you press A to begin the calibration process appropriate prompts will appear across the keypad display window If the scanner has been on for less than ten minutes a software timer indicates the need for a warm up 4 When so prompted feed in a large standard white document to do the calibration During the scanner s calibration routin...

Страница 42: ...omplete that is all of the values currently set are written into the NVRAM and will come up whenever the scanner is powered on or rebooted Exit Press Opt to Exit selection mode without proceeding with the Save Parameters command CAUTION When the Save Parameter option is used it replaces all former settings with the current values To be sure you are only changing the values you want changed it is a...

Страница 43: ...f you wish to stop the document transport system before the document reaches the document loaded position go on to Step 3 2 Press Down Arrow a second time Pressing Down Arrow twice allows the transport system to continue feeding the document in reverse passed the document loaded position to completely unload it 3 Press this key again or press any other key to stop the document transport system The...

Страница 44: ...intermittent repetitive scanning of specific image areas Echo Scan rescans the document area visible on the Preview Display Monitor repeatedly forward and backward until you give the signal to continue scanning the rest of the document With Echo Scan you can fine tune the scan parameters for the best possible image quality in specific areas of the document At any time while scanning in either auto...

Страница 45: ...nner bed delineates the beginning of the active scan area The shorter parallel line to its right indicates the far right side of the document entrance to the scanner The document must not cross over this line or it will get caught in the internal structure of the document transport system On the left side of the scanner bed are similar markings indicating the maximum active scan area and the far l...

Страница 46: ... When the first sensor detects the document the transport rollers begin to move and feed the document into the scanner The rollers stop when the document is just short of the camera window and waits for the Scan key to be pressed or in an integrated system a command to be received from the host When either signal is received the transport system begins to move again and the document is scanned Whe...

Страница 47: ...e loading the document to be scanned Refer to Parameter Control Keys Green on page 2 10 for more information 3 Load the document You can do this in either automatic or manual mode In either case refer to Loading the Document into the Scanner on page 2 27 for more detailed information 4 Observe the Preview Display monitor to see what data is being detected If desired you can Zoom In or Zoom Out for...

Страница 48: ...nner In manual mode you must press Scan again to stop the scanner In automatic mode scanning will automatically stop when the document has passed over the last document sensor 9 If necessary rescan the document without using Echo Scan on line 10 Unload the document from the scanner Refer to the following sections for more information about loading and unloading documents Document Transport Control...

Страница 49: ... explained in the next sections Site The site has to be relatively dust free Dust can degrade the quality of scans by dirtying and scratching the scanning window and the white background located on the underside of the lid of the scanner Dust may also invade the scanner and settle on the lenses of the cameras or clog the filters Airflow There must be at least one foot of clearance at the rear of t...

Страница 50: ...eport any found to the shipper and Scangraphics Inc When unpacking be sure no materials are discarded until you have accounted for the following contents of the box CF Series Scanner Power cord CF Series Scanner Operations Manual Rear document catch If a display monitor is included a separate carton will include the monitor and cable Connections Connect the enclosed A C power cord to the scanner a...

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