Bell and Howell 500 FB Operator'S Manual Download Page 64 | Manualshive

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SCANNER FEATURES

A-5

Dynamic threshold

The scanned image is converted to binary using an appropriate threshold.
The threshold is determined by the scanner using an optional image
processing unit.

Note:Dynamic threshold is available only when the optional Image Processing

Unit is installed.

Dynamic threshold

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Summary of Contents for 500 FB

Page 1: ...500 FB Operator Manual S004006 Issued 3 11 02 Bell Howell Co Rev B ...

Page 2: ...Image Scanner Operator s Manual ...

Page 3: ...Changes or modifications not expressly approved by the manufacturer could void the user s authority to operate the equipment Caution Properly shielded and grounded cable and connector must be used for connection to host computer in order to meet FCC Emission limits Note to users in Canada This Class B digital apparatus meets all requirement of the Canadian Interference Causing Equipment Regulation...

Page 4: ...cause serious injury or even death R CAUTION Ignoring this caution could cause injury or damage to property R Symbols R means a situation that requires you take care q Do NOT carry out the operation represented by the symbol m This example means Do not take apart r Symbols r means you MUST perform this operation This example means You must remove the wall plug ...

Page 5: ...e you an electric shock When the machine needs to be checked adjusted or repaired contact your service representative Do not take apart or attempt any modifications to this machine There is a risk of fire electric shock explosion or loss of sight r If the machine looks damaged or breaks down smoke is coming out there is a strange smell or anything looks unusual immediately turn off the power switc...

Page 6: ...ould cause injury r When you move the machine unplug the power cord from the wall outlet to avoid fire or electric shock When the machine will not be used for a long time unplug the power cord t When you pull out the plug from the socket grip the plug to avoid damaging the cord and causing fire or electric shock o If you use the machine in a confined space make sure there is a continuous sir turno...

Page 7: ...ce indicated on the marking label If you are not sure of type of power available contact your dealer or local power company 8 This machine is equipped with a 3 wire grounding type plug a plug having a third grouding pin This plug will only fit into a grounding type outlet This is a safety feature If you are unable to insert the plug into the outlet contact your electrician to replace your outlet D...

Page 8: ...covered by the operating instructions since improper adjustment of other controls may result in damage and will often required extensive work by a qualified technician to restore the machine to normal operation E If the machine has been dropped or the cabinet has been damaged F If the machine exhibits a distinct change in performance indicating a need for service 14 Make sure that your wall outlet...

Page 9: ... THE HOST 1 5 To connect to your host 1 5 SETTING THE SCSI ID 1 8 To set the scanner s SCSI ID 1 8 USING TWO SCANNERS IN THE SAME SCSI CHAIN 1 9 Without SCAM Adapter 1 9 With SCAM Adapter 1 9 To change the setting of DIP switch 1 1 9 CONNECTING THE POWER CORD 1 10 To connect the power cord 1 10 TURNING ON THE SCANNER 1 11 To turn on scanner power 1 11 DIP SWITCH SETTINGS 1 12 Switch 1 SCAM Functio...

Page 10: ...ERVIEW 3 1 CLEANING THE SCANNER 3 2 Contact Glass Slit Glass White Sheet White Bar 3 2 Rollers and Belt 3 3 REPLACING THE ROLLER SET 3 5 TROUBLESHOOTING OVERVIEW 4 1 Scanner Problems and Solutions 4 1 Document Feeder Cover Open 4 1 Document Feeder Raised 4 2 Paper Jam 4 2 Paper Misfeed 4 4 System Error 4 5 Other Problems 4 6 SCANNER SPECIFICATIONS SPECIFICATIONS 5 1 Electrical and Hardware Specifi...

Page 11: ...ld A 5 Halftone scanning A 6 Multi value scanning A 7 Area extraction A 8 Section area multi area settings A 9 Auto photo letter A 10 Resolution A 11 Brightness A 12 Contrast A 12 Gamma correction A 13 Binary filter A 14 Parameter download A 15 Document size detection A 15 Semi automatic document feed mode A 15 IS410 Mode A 15 GLOSSARY ACRONYMS G 1 TERMS G 2 ...

Page 12: ... SCSI II connection A variety of powerful features includes an Automatic Document Feeder ADF that allows you to scan multiple pages Optional equipment includes an Image Processing Unit Features Automatic Document Feeder ADF Prescanning Scanning speed of 24 pages per minute ppm 200 dpi scanning of A4 size documents containing black and white line art Scanning resolution of 60 75 and 100 to 800 dots...

Page 13: ...ontains the following chapters and appendices Chapter 1 Setting Up the Scanner provides information on preparing to use the scanner Chapter 2 Using the Scanner describes operation of the scanner s hardware Chapter 3 Maintenance tells you what you need to know about keeping your scanner in good working condition Chapter 4 Troubleshooting contains information about correcting problems you might enco...

Page 14: ...ets the names of the hard keys soft keys and buttons on the scanner and on your host computer are enclosed in square brackets For example the Start button Italics names of documents are shown in italics Note Notes provide general information to help you complete a task or further understand the text ...

Page 15: ... this manual may differ slightly from the actual appearance of your scanner Some of the options described in this manual may not be available in your country Contact your local dealer for details on the options available to you Two kinds of size notation are employed in this manual ...

Page 16: ...ing illustrations show the names of the various components that make up the scanner Front View Document Feeder Closed Front View Document Feeder Open Document table Output table Document stopper Power switch Scanner indicators White sheet Document home position Contact glass ...

Page 17: ...o not touch the service switch This switch is provided for use by service personnel only Scanner Indicators RS 232C connector Service switch Rotary switch DIP switches SCSI connectors Power cord socket Power on Machine busy Document in place Error ...

Page 18: ...ke sure that you have all the parts shown below in your packing box Scanner Power cord Terminator driver soft manual Operator s manual Parts list Name Q ty Name Q ty Scanner 1 Power cord 1 Terminator 1 driver soft manual ISIS 1set Operator s manual 1 ...

Page 19: ...area with a minimum clearance of 600 mm 24 above 30 mm 1 on each side 50 mm 2 in the rear and a comfortable working area in the front Place the scanner on a level stable vibrating free surface Place the scanner in an area that is not exposed to large amounts of dust and direct sunlight Do not place items on top of the scanner more than 600mm 24 CAUTION Do not place the scanner directly below an ai...

Page 20: ...ivalents will invalidate your scanner s certification and can cause interference levels that exceed the limits established for this equipment The total length of the SCSI bus should not exceed six meters Either of the scanner s two SCSI connectors can be used for the connection but any unused SCSI connector must be capped with a terminator Note The RS 232C connector is employed only when the optio...

Page 21: ...pheral 1 SCSI Cables There are a variety of different SCSI connector types including the high density 50 pin connector the D sub 25 pin connector and the 50 pin flat connector Both of the SCSI ports of this scanner require high density 50 pin connectors When choosing a SCSI cable get one that has a high density 50 pin connector on one end to connect to the scanner and a connector that meets the ne...

Page 22: ...tors at each end of a SCSI chain If you connect this scanner at the end of a SCSI chain you should cap the scanner s unused SCSI port with a terminator If the scanner is located inside of a SCSI chain that is already terminated you do not need to terminate the scanner s other port ...

Page 23: ...new setting does not take effect until you reset the scanner Never set 8 or 9 as the scanner s SCSI ID Though 8 and 9 settings are available you should use IDs 0 through 7 only To set the scanner s SCSI ID 1 Turn the rotary switch on the back of the scanner until the SCSI ID number you want to use is visible 2 If the scanner is on when you change the SCSI ID reset it by turning power off and then ...

Page 24: ...t make sure that each scanner has its own unique SCSI ID No other setting is required With SCAM Adapter When the computer you are connecting to is equipped with a SCAM adapter you must assign each scanner a unique SCSI ID and also change the setting of DIP switch 1 for one of the scanners to further protect against data communication conflict DIP switch 1 of one of the scanners must be OFF default...

Page 25: ...plied with the scanner Connect the power cord to the scanner and plug it into a wall outlet before turning on the power switch The plug is equipped with a grounding pin and must be plugged into a grounded outlet To connect the power cord 1 Make sure that scanner power is turned off 2 Attach the power cord to the power cord socket on the back of the scanner 3 Plug the other end of the power cord in...

Page 26: ...se the procedure below to turn on scanner power To turn on the scanner power 1 Check to make sure that the DIP switches on the back of the scanner are set correctly 2 Use the power switch to turn on scanner power Note The setting as shown is one example ...

Page 27: ...o ON SCAM disabled while Switch 1 of the other scanner must be set to OFF SCAM enabled Switch 3 Paper Size This switch specifies the standard paper sizes the scanner should apply OFF specifies North American paper sizes while ON specifies European paper sizes Switch 4 IS410 Mode This switch switches between Normal Mode and IS410 Mode OFF specifies Normal Mode while ON specifies IS410 Mode If your ...

Page 28: ...SETTING UP THE SCANNER 1 13 To change DIP switch settings 1 Turn off the scanner and make the DIP switch settings described above 2 Turn the scanner back on ...

Page 29: ...s diskette into the 3 5 inch disk drive on your host computer 2 Close any applications that are currently running 3 From the Run window type a or the letter that represents the drive in which you placed the installation diskette setup exe 4 Click OK and follow the installation instructions that display on the screen 1 Insert the ISIS Scanner Driver for Windows diskette into the 3 5 inch disk drive...

Page 30: ...bes what you need to know to how to use the scanner Note that only operation of the scanner s hardware is covered here For details about using the scanner s software driver you need to consult the separate Scanner Driver Manual for ISIS and the Driver Online help for TWAIN ...

Page 31: ...ou can use the document feeder to feed the originals automatically Document Feeder Mode The Book Mode is the only way to scan books magazines and other bound documents Of course you could also scan single sheets of paper this way too The Document Feeder Mode is ideal when you have many single sheets to scan You simply place the originals onto the document table and they will feed into the scanner ...

Page 32: ... pen or anything else that does not stick to the scanner s glass CAUTION Never place any object that weighs more than 10 kg onto the scanner s glass 7R PDQXDOO SODFH DQ RULJLQDO RQWR WKH VFDQQHU 1 Open the document feeder 2 Place the original face down onto the glass with the upper left corner of the surface being scanned located at the document home position Also make sure to smooth out the origi...

Page 33: ...puter R CAUTION Take care to avoid strong pressure on or impact to the scanner s glass while the document feeder is open otherwise glass is broken and this may cause injury Also keep your fingers away from the scanner s hinges to avoid pinching your fingers whenever opening or closing the document feeder ...

Page 34: ... Document Feeder Mode with certain types of originals can cause misfeeding and damage to the original Be sure to use the Book Mode whenever scanning the following types of originals Originals whose measurements are outside the size ranges specified above Originals with staples or paper clips attached to them Originals with holes more than 12 mm or tears Originals that are torn folded or wrinkled O...

Page 35: ...als and even up its four sides 2 Raise the document stopper 3 Squeezing the guide lock on the left side of the guide adjust the document guides so they match the wide of the original Be sure the adjust the guides before setting the stack of originals onto the document feeder ...

Page 36: ...top of the stack of originals is not above the top lines marked on the guides 4 Place the stack of originals onto the document feeder and slide them into the feeder until the indicator lights 5 Execute the scan operation from the host computer ...

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Page 38: ...apter tells you everything you need to know about maintenance of your scanner and procedures to take to solve scanner problems This information helps keep your scanner in good working condition and helps you correct any problems that might occur ...

Page 39: ...sure to inspect these areas for signs of dirt each time you use the scanner If they appear dirty wipe them off with a dry or damp soft cloth before you begin your scan job R CAUTION Take care to avoid strong pressure on or impact to the scanner s glass while the document feeder is open otherwise glass is broken and this may cause injury Also keep your fingers away from the scanner s hinges to avoi...

Page 40: ... are dirty clean them with a damp cloth 1 Open the document feeder cover 2 Open the feed roller unit 3 Use a damp soft cloth to clean the rollers and belt inside the feed roller unit Rotate the rollers by hand as you wipe them Note Take care that you do not damage the nearby mylar guide when cleaning Roller A One way to do this is to use the procedure on page 3 5 to remove Roller A from the scanne...

Page 41: ... inside the document feeder cover If feed errors continue to occur after you clean the rollers it may mean that it s time to replace the roller set see the next section Note Always clean the feed rollers after scanning documents that smear or contain substances that may be transferred to the rollers ...

Page 42: ...cur even after you clean the roller set it means that you must replace the roller set with a new one Contact your dealer for information about purchasing a roller assembly R CAUTION Be sure to turn off power before replacing the roller set 1 Open the document feeder cover 2 Raise the transparent plastic guide and then pick the feed roller unit up and out of the feed scanner ...

Page 43: ... Take care that you do not damage the nearby mylar guide when removing Roller A 4 Insert a new white roller into the scanner Press the roller onto the spindle while rotating it from side to side until you feel the roller snap into place Note Take care that you do not damage the nearby mylar guide when inserting Roller A ...

Page 44: ...nner as shown in the illustration Double check to make sure that the pins on the end of the shaft that is towards the back of the scanner seat properly into the holes that are provided Grasp the shaft and rotate it in both directions until the shaft seats properly 7 Close the document feeder cover ...

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Page 46: ...y cause further damage When you contact your service representative make sure to have the following information available A record of the problem that occurred and the steps you took to eliminate the problem The name and serial number of the scanner Configuration information for the scanner Information on the scanner driver you are using Scanner Problems and Solutions This section contains informa...

Page 47: ...it goes all the way down Paper Jam This error indicates that an original is jammed in the document feeder 1 Open the document feeder cover If you cannot see the original skip to step 4 2 Carefully remove the jammed original Indicator Color Green Green Green Red Status On Off Off On Indicator Color Green Green Green Red Status On Off Blinking On ...

Page 48: ...inal is wrinkled smooth it out and scan using the Book Mode 4 Open the document feeder 5 If the jammed original is visible carefully remove it and close the cover 6 Inspect the original for tears or curling If it is in good condition return it to the starting position on the document feeder and restart the scan job If the original is wrinkled smooth it out and scan using the Book Mode ...

Page 49: ...ation If the original does not pull out easily perform step 2 2 Raise the document feeder and carefully remove the original as shown in the illustration If the original does not pull out easily perform step 3 3 Pull the green release lever until the white sheet detaches and carefully remove the original as shown in the illustration Note that the white sheet is held in place by a strong magnet so c...

Page 50: ...osition on the document feeder and restart the scan job If the original is wrinkled smooth it out and scan using the Book Mode System Error Indicator Color Green Green Green Red Status Flashing Flashing Flashing Flashing This error indicates a scanner system error 1 Turn the scanner off 2 Turn the scanner back on Note If this error persists contact your service representative ...

Page 51: ...ng correctly Make sure the SCSI ID is correct Make sure the DIP switches are set correctly Verify that you have the SCSI Terminator attached correctly Frequent misfeeds Check to make sure that rollers are clean Verify that the size and weight of the paper you are using meets the paper specifications for the Document Feeder Verify whether the paper is folded wrinkled damp or curled Check for any mi...

Page 52: ...a Book Mode 297 x 432 mm 11 70 x 17 02 Document Feeder Mode 297 x 1260 mm 11 70 x 49 64 Maximum Resolution Book Mode 800 dpi Document Feeder Mode 600 dpi Grayscale 4 or 8 bits pixel Maximum Speed 24 ppm A4 Letter portrait 200 dpi black and white scanning with document feeder Note that actual scanning speed depends on the system environment Interface SCSI II RS 232C 25 pin female RS 232C interface ...

Page 53: ...IONS 5 2 Environmental Specifications Temperature 10 to 32 degrees Celsius Humidity 20 to 80 percent Air circulation 30 cubic meters per person per hour Clearance 600 mm 24 above 30 mm 1 left and right sides 50 mm 2 rear ...

Page 54: ...d on the RS 232C interface It is your responsibility to make sure that you have a SCSI II port available on the host computer and to provide the SCSI II cable In addition you must connect a SCSI II terminator plug to the top SCSI II port on the machine The SCSI II cable is not provided with the machine Refer to the Setting up the Scanner chapter in this manual for information on how to connect the...

Page 55: ...I communications Shielded high density 50 pin SCSI II pin designations Code Signal Pin GND Signal Ground 1 GND Signal Ground 2 GND Signal Ground 3 GND Signal Ground 4 GND Signal Ground 5 GND Signal Ground 6 GND Signal Ground 7 GND Signal Ground 8 GND Signal Ground 9 GND Signal Ground 10 GND Signal Ground 11 RESERVED Reserved 12 OPEN Open 13 RESERVED Reserved 14 GND Signal Ground 15 GND Signal Grou...

Page 56: ...ignal Ground 40 ATN Attention 41 GND Signal Ground 42 BSY Busy 43 ACK Acknowledge 44 RST Reset 45 MSG Message 46 SEL Select Out 47 C D Control Data 48 REQ Request 49 I O Input Output 50 SCSI II Terminator specifications A Cable Single Ended Active high density 50 pin Scanner Terminator plug SCSI II high density narrow terminator with internal shield all plastic cover low profile with spring latche...

Page 57: ...he scanner side of the cable should have a 25 pin male connector while the other end of the cable should have a connector that matches the needs of your host computer The table below lists pin assignments for the RS 232C interface RS 232C pin assignments Code Signal Pin FG Frame Ground 1 TXD Transfer Data 2 RXD Receive Data 3 SG Signal Ground 7 All other pins of the RS 232C interface are not conne...

Page 58: ...converted to line art using the appropriate threshold The scanner discriminates a background color and determines the threshold to use Auto photo letter the scanner automatically detects letter areas and photo areas from the original The letter areas are scanned in line art and the photo areas are scanned in halftone Operation Panel The optional Operation Panel and the Copy Application make it pos...

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Page 60: ...d in this appendix The terminology used in this appendix may vary from that used by your driver software Prescan Function Scanning the entire image area at low resolution 50 dots per inch dpi 72 dpi to 100 dpi Usage Use this function when you want to obtain a quick low resolution scanned image You can adjust the scan area so that subsequent scans apply to exactly the portion of the original image ...

Page 61: ...d so forth Use Scan to scan the image using these parameters Determine the value of the settings based on the original and the output device screen printer and so forth When you scan an image at high resolution you still cannot output it at high resolution when you are using a low resolution output device Scanning an image at high resolution requires a greater amount of memory space and processing...

Page 62: ...ds grays over 16 64 or 256 levels Usage Use binary scanning to scan an image that has no gray shading for example text or lines Use halftone scanning to scan an image that has gray shading for example a photograph when you want to print or display the image on a monochrome device such as a laser printer Use multi value scanning to scan an image that has gray shading when you want to print or displ...

Page 63: ... fewer pixels as black Usage Use a binary composition when you want to scan binary images such as text and line drawings or black and white images that have no gray areas You can use either the manual threshold or the dynamic threshold method to set the threshold value in binary scanning Manual threshold An entire image is converted to binary using a specific threshold You can set a threshold valu...

Page 64: ...mage is converted to binary using an appropriate threshold The threshold is determined by the scanner using an optional image processing unit Note Dynamic threshold is available only when the optional Image Processing Unit is installed Dynamic threshold ...

Page 65: ...shadings for example a photograph when you want to print or display the image on a monochrome device such as a laser printer Halftoning requires less memory Therefore it is convenient for filing a large amount of image data This scanner has eleven halftoning methods including ten dithering methods and one error diffusion 8X4 45 6X6 90 8X6 60 8X8 90 12X6 45 10X8 60 12X8 60 16X8 45 16X16 90 8X8 Baye...

Page 66: ...the 8 bit data represent 256 different shades of gray Therefore an 8 bit scan of an image requires eight times more space than a binary 1 bit scan of the same image Usage Use multi value scanning to scan an image that contains gray shading for example a photograph when you want to print or display the image on a gray scale device Select 4 bit 6 bit or 8 bit depending on the gray level capability o...

Page 67: ...en you want to extract a photograph from a page define a rectangle over the photograph as shown below You determine the position of the area by setting the X and Y coordinates of the upper left corner of the rectangle You determine the size of the area by setting the vertical and horizontal lengths which you can set separately Original Scanned image Scanned this area only Defined area only ...

Page 68: ...en you specify six areas scanning may not result in the correct mode depending on how they are stacked When this occurs decrease the number of areas or the size of the areas and reset the areas Usage When scanning an original that includes binary images and halftone images you can scan each image with its own composition method in one scanning 1 Set binary composition for the whole scannable area ...

Page 69: ...re scanned in the halftone mode Note This function is available only when the optional image processing unit is installed in the scanner When binary areas and halftone areas are not separated clearly segmentation may not be achieved Usage Scanning of an original that includes binary images such as letters and halftone images such as photographs Original Scanned image Scanned in halftone compositio...

Page 70: ...image Note When the resolution is set at more than 400 dpi the maximum scanning width is less than 304 mm Maximum resolution is 600 dpi in the Document Feeder Mode Usage In general setting the scanning resolution to the resolution of your output device results in high quality imaging A lower resolution indicates lower quality and a higher resolution is a waste of memory However when you change the...

Page 71: ... When this occurs increase the brightness setting to allow the shades of to gray appear When a lighter image displays as pure white decrease the brightness setting Lower Higher Contrast Function Adjusts the contrast value between 1 and 255 A high contrast setting emphasizes black and white leaving few middle gray shades while a low contrast setting emphasizes middle gray shades at the expense of b...

Page 72: ... to sharpen an image Smooth weakens contrast to soften an image Linear outputs an image as scanned User defined loads user gamma correction curve into the scanner Usage Select one of the above settings depending on your original and output device When you want to perform fine correction of an image select the User defined setting to load your own gamma correction curve to the scanner ...

Page 73: ...se these filters as shown below Noise elimination Use this filter when scanning a document that has been copied several times Black dots in a white area and white dots in a black area are eliminated Smoothing When edges of a scanned image are uneven scan the image again with this filter to even out the edges Thickening black lines Use this filter when scanning thin lines or characters Edge extract...

Page 74: ...ze of originals placed on the document feeder Note The paper sizes the scanner can use are determined by the setting of DIP Switch 3 on the back of the scanner Setting DIP Switch 3 to OFF specifies letter double letter while ON specifies A4 A3 Semi automatic document feed mode Function In the semi automatic document feed SADF mode originals that are set on the feeder one at a time are automaticall...

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Page 76: ... working with the scanner and the scanner documentation ADF Automatic Document Feeder dpi dots per inch I O Input Output LED Light Emitting Diode MB Megabyte PC Personal Computer ppm pages per minute RAM Random Access Memory ROM Read Only Memory SCSI II Small Computer Systems Interface type two ...

Page 77: ...r a binary digit This is the smallest unit of information recognized by a computer bps Bits per second The rate at which data is transferred during serial communication buffer Area of memory used for storage during the transfer of data between two devices byte Number of bits usually fixed at 8 that are processed as a single binary value configuration Settings required to allow your computer to com...

Page 78: ...paper length MB Megabyte Unit made up of one million bytes orientation Specifies whether the lines on the scanned output are parallel to the long edge of the paper landscape or the short edge of the paper portrait origin Upper left corner of a page physical page Actual page size pixel Acronym for a single element of a picture This is the smallest addressable point on a bitmapped screen to which co...

Page 79: ... The greater the number of dots or spots per inch the higher the resolution and the clearer the image The terms dots spots and pixels are synonymous scale Adjusting font or image size according to specified proportions Scanner driver Software that allows a host computer to communicate with a scanner short edge feed Moving the paper through the scanner in the direction of the paper width the short ...

Page 80: ......

Page 81: ...Part number G4058600A Printed in Japan ...

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