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Document, GL-2

cover, l-6, 3-24

placement, 3-3-4

table, 3-4, 4-8

DOS interface kit, 1, 2-2

Dot matrix, 3-7

Dots per inch, 3-9, 3-10, GL-2

Dpi, 3-10, GL-2

Drawings, 3-6-7

Dropout color, 3-10, A-8, GL-2

Electrical, 5-4

Electronic color printers, 3-7,

3-9, 3-l1

Emulation, ES300C, 4-3, 5-12

Environmental conditions, 5-4

Equipment, 3-12-13

ERROR light, 4-9

ES300C emulation, 43, 5-12

Expansion board, 4-3

Factory settings, 5-12

File compression, 3-13

File size, 3-8, 3-11

Fluorescent lamps, l-6-7, 49,

5-3

Focus, 3-3, 4-5

Format, data, 46, 4-7, A-5-7

Gamma correction, 3-11, 4-5,

A-13-14, GL-3

Gray scale, 3-6, 3-9, A-5-7

Guidelines, resolution, 3-9

Halftoning, 3-10, 4-6, A-9-12,

GL-3

Hard disk, 2-9, 3-8, 3-12

Help, where to get, 3

Home position, l-6, 4-10, GL-3

Humidity, l-2, 5-4

IBM PS/2, 2-2

Image distortion, 4-4-5

Image type, 3-5-6

Images

continuous tone, 3-6

gray scale, 3-6, A-5-7

printed, 3-6

Imagesetter, 3-8, 3-9-10, GL-3

Initialization, l-6, 5-11-12

Ink jet, 3-7

Interface

parallel, 1, 2-2—4, 5-5-8

SCSI, 1, 2-2, 24—9, 5-9-l1

Interface cable, 2-3

Interface kit

Bidirectional, 1, 2-2, 2-3-4

2 Index

Содержание ES-600C

Страница 1: ...EPSON User s Guide 4001572 CO1 00 ...

Страница 2: ... different from that to which the receiver is connected a Consult the dealer or an experienced radio TV technician for help WARNING The connection of a non shielded equipment interface cable to this equipment will invalidate the FCC Certification of this device and may cause interference levels which exceed the limits established by the FCC for this equipment It is the responsibility of the user t...

Страница 3: ...EPSON ES 600C Scanner User s Guide ...

Страница 4: ...resulting from the use of the information contained herein Neither Seiko Epson Corporation nor its affiliates shall be liable to the purchaser of this product or third parties for damages losses costs or expenses incurred by purchaser or third parties as a result of accident misuse or abuse of this product or unauthorized modifications repairs or alterations to this product Seiko Epson Corporation...

Страница 5: ...e transportation screw l 2 3 Plugging in the scanner l 4 4 Setting the DIP switches l 5 5 Self test l 6 6 Resetting the DIP switches l 8 Chapter 2 Connecting the Scanner to the Computer Using an Interface Kit 2 2 Interface types 2 2 Parallel Interface Model 2 3 Connecting the parallel interface 2 3 SCSI Model 2 4 SCSI connections 2 5 Terminator setting 2 7 Connecting the SCSI 2 7 Power on sequence...

Страница 6: ...rightness 3 10 ti Color correction 3 11 d Gamma correction 3 11 Cropping 3 11 Judging Image Quality 3 11 Equipment 3 12 RAM and hard disk size 3 12 Accelerator boards 3 12 Video cards 3 12 Monitors 3 13 File compression software 3 13 Chapter 4 Troubleshooting and Maintenance Problems and Solutions 4 2 Maintenance 4 8 Replacing the fluorescent lamps 4 9 Transporting the Scanner 4 10 iv ...

Страница 7: ...4 Environmental Conditions 5 4 Parallel Interface Specifications 5 5 Timing charts 5 8 SCSI Specifications 5 9 Signal pin assignments 5 10 Initialization 5 11 Default settings 5 12 DIP Switches 5 12 Appendix Scanner Functions A 2 How the scanner works A 2 Scanner settings A 3 Glossary Index ...

Страница 8: ...ectional interface model use Epson s Bidirectional Parallel Interface Kit for DOS Computers BIDIDOS For the SCSI model use either Epson s Interface Kit for Macintosh Computers ESMAC or Epson s SCSI Kit for DOS Computers SCSIDOS depending on which computer you have Options Automatic Document Feeder B813011 This option is designed primarily for optical character recognition OCR scanning With softwar...

Страница 9: ...s troubleshooting maintenance and transportation information Chapter 5 and the Appendix provide technical information See the end of this guide for a glossary of scanner terms and an index Warnings Cautions and Notes Warnings must be followed carefully to avoid damage to your scanner and computer Cautions should be followed carefully to ensure your scanner operates correctly Notes contain importan...

Страница 10: ...r at 800 92243911 Assistance in locating your nearest Authorized Epson Reseller or Service Center Technical assistance with the installation configuration and operation of Epson products Epson technical information library fax service Product literature with technical specifications on our current and new products Sales of supplies parts documentation and accessories for your Epson product Custome...

Страница 11: ... be blocked by placing the scanner on a bed sofa rug or other similar surface The scanner should never be placed near or over a radiator or heat register and it should not be placed in a built in installation unless proper ventilation is provided 7 Use the type of power source indicated on the marking label If you are not sure of the type of power available consult your dealer or local power compa...

Страница 12: ...emove may expose you to dangerous voltage points or other risks Refer all servicing in those compartments to service personnel 13 Unplug this scanner from the wall outlet and refer servicing to qualified service personnel under the following conditions A When the power cord or plug is damaged or frayed B If liquid has been spilled into it C If it has been exposed to rain or water D If it does not ...

Страница 13: ...Chapter 1 Setup Choosing a place for the scanner 1 2 Removing the transportation screw 1 2 Plugging in the scanner 1 4 Setting the DIP switches l 5 Self test l 6 Resetting the DIP switches l 8 setup 1 1 ...

Страница 14: ... Also allow sufficient space above the scanner so that you can easily place and adjust documents on the scanner Keep the scanner away from high temperatures and humidity and places subject to rapid changes of temperature and humidity Keep the scanner away from direct sunlight and strong light sources Avoid places subject to shocks and vibrations 2 Removing the transportation screw before connectin...

Страница 15: ...wise 4 Push the screw into the storage hole on the right under the word STOCK It does not screw in Make sure you push it all the way into the hole Caution Do not discard the transportation screw You need it when you transport the scanner setup 1 3 ...

Страница 16: ...the other end into an appropriately grounded outlet as shown below 2 If any of the scanner s lamps come on press the OPERATE button to turn the scanner off Warning Whenever you turn of the scanner wait at least 10 seconds before turning it back on Rapidly turning it on and off can damage the scanner 1 4 setup ...

Страница 17: ...settings but for the self test follow these steps 1 Make sure that the scanner is turned off and remove the DIP switch cover by pressing down on the arrow on the cover and sliding it toward you 2 Turn switches 1 and 2 to ON All others should be OFF Use a pen tweezers or other pointed object to change the DIP switch setting 3 Replace the DIP switch cover setup 1 5 ...

Страница 18: ...n the scanner by pressing the OPERATE button When the scanner is initializing the fluorescent lamps on the carriage flash and the carriage s position is reset If the carriage is not at the home position the rear of the scanner it moves to the home position before checking the fluorescent lamps The scanner next goes through a lamp test sequence The carriage starts moving from the rear of the scanne...

Страница 19: ...and once for the blue lamp Then the carriage returns to the home position and the self test is over The READY light comes on If the scanner does not work as described turn it off Then make sure that you have removed the transportation screw and that the power cord is firmly plugged in and turn it on again If that doesn t solve the problem contact your dealer or call 1 800 9228911 setup 1 7 ...

Страница 20: ...and remove the DIP switch cover by sliding it toward you 2 Turn switches 1 and 2 to OFF All others should be OFF Use a pen tweezers or other pointed object to change the DIP switch setting 3 Replace the DIP switch cover by sliding it back to its original position 1 8 Setup ...

Страница 21: ... an Interface Kit 2 2 Interface types 2 2 Parallel Interface Model 2 3 Connecting the parallel interface 2 3 SCSI Model 2 4 SCSI connections 2 5 Terminator setting 2 7 Connecting the SCSI 2 7 Power on sequence 2 8 Connecting the Scanner to the Computer 2 1 ...

Страница 22: ... it in your computer Then connect the scanner to the computer Note IBM s PS 2 computers have built in bi directional parallel interfaces You do not need to install one in those computers unless you need the built in parallel interfacefor your printer Ll If your scanner is the SCSI model you can use either of these interface kits With Epson s Interface Kit for Macintosh Computers you just connect t...

Страница 23: ... using the instructions in your computer manual Then you connect the scanner to your computer with the cable Connecting the parallel interface Use the cable from the Bidirectional Interface Kit for DOS Computers 1 Make sure that both the scanner and computer are turned Off 2 Connect the 25 pin end of the cable to the computer then tighten the screws on the sides of the connector Connecting the Sca...

Страница 24: ... DOS Computers or the Epson SCSI Kit for the Macintosh The DOS kit includes a SCSI board for your computer a cable and software You install the SCSI board in your computer following the instructions in your computer manual Then follow the directions below to connect your scanner and computer All Macintoshes have SCSI ports so the Macintosh kit contains only the cable and software Follow the direct...

Страница 25: ...in not including the computer must have a terminator and no other device can have a terminator If you connect other SCSI devices in addition to the scanner to your computer make the scanner the last device in the daisy chain plug the scanner into the 50 pin connector on the next to last device in the chain For this connection you will need a SCSI cable with 50 pin connectors on both ends SCSI ID n...

Страница 26: ... 2 To change the SCSI ID turn the small dial to the desired number Caution Do not set the SCSI ID to 8 or 9 and do not set the ID number to an ID that is already assigned to another device The computer scanner and other devices will not function properly 2 6 Connecting the Sumner to the Computer ...

Страница 27: ...lways be the last device on the daisy chain You do not need to change the factory settings for the terminator switches as long as the scanner is the only SCSI device or the last SCSI device in the daisy chain If you decide to connect the scanner in the middle of the daisy chain turn terminator Switch 1 off Switch 2 must always be off Connecting the SCSI connect the scanner with the SCSI as follows...

Страница 28: ...the connector with the clamps on the sides of the connector Note The SCSI port of the Macintosh is the larger port with the diamond shaped icon over it 4 The connection is now complete Connect the power cables 5 Always turn on the scanner first then start the computer Power on sequence You must turn on SCSI devices with terminators the first and last devices in the daisy chain before you turn the ...

Страница 29: ...es you plan to use Wait a few seconds then turn on the computer SCSI devices in the middle of the daisy chain may be left off if you don t plan to use them Now that you have connected the scanner to your Computer the next thing to do is install the software included in your Epson interface kit Follow the directions in the interface kit and in the software manuals Then read Chapter 3 Scanner Basics...

Страница 30: ...i Resolution 3 6 d Size or scale 3 10 d Halftoning and dropout 3 10 I Brightness 3 10 Color correction 3 11 d Gamma correction 3 11 Cropping 3 11 Judging Image Quality 3 11 Equipment 3 12 RAM and hard disk size 3 12 Accelerator boards 3 12 Video cards 3 12 Monitors 3 13 File compression software 3 13 Scanner Basics 3 1 ...

Страница 31: ...n the scanner and computer See that the scanner s READY light has come on 2 Open the document cover 3 Place the document on the document table with the side to be scanned down Make sure that the document is carefully aligned 3 2 Scanner Basics ...

Страница 32: ... cover This prevents interference from external light Always keep the document table clean See Chapter 4 for information on cleaning the scanner Avoid twisting the document cover when you open or close it Do not leave photographs on the document table for an extended period of time they may stick to the glass 5 Start the scanner software on the computer and follow its procedures to scan the image ...

Страница 33: ...e metal tongues in the slot on top of the scanner Make sure to hold the base of the document cover when you remove or attach it Scanner Setting Guidelines This overview of scanner settings will give you a little background for using your scanning software You can read it before you start using your software or come back to it after you start using your scanner if you need a simplified explanation ...

Страница 34: ...y use a somewhat different 0rder or slightly different terminology d lmage type or mode For the best and most efficient scans you need to know which type of images you are scanning drawings black and white photographs or color photographs The corresponding terms used by scanning software are line art gray scale and color fine art This is the setting for drawings including all drawings or pictures ...

Страница 35: ...tographs are better than scans from printed images such as newspaper or magazine pictures because of halftoning conflicts Use photographs instead of the color images in the Color Image Scanner booklet for experimenting with your scanner d Resolution The best resolution setting depends on the image type or mode line art gray scale or color and the printing method Read Printing methods and File size...

Страница 36: ...ser ink jet or other technologies to produce color or gray scale images that range from coarsely patterned to nearly photographic often called continuous tone quality It is best to see samples from a color printer before you decide to use it The upper left and lower left squares on the cover of the Color Image Scanner booklet give you an idea of the different print qualities you might get from ele...

Страница 37: ... size In gray scale and color use the lowest resolution that gives acceptable quality for your printing method because high resolutions mean large files A letter size full color scan uses as much as 25 megabytes MB of disk space Large files use up your computer and hard disk memory they take longer to process to print or to transmit by modem and they are more difficult to save to a disk for sendin...

Страница 38: ...le or color on an electronic color printer or a printing press 1 Find out the lines per inch of the printing method This is the measurement of resolution for high quality image printing Do not confuse it with dots per inch which is not an equivalent measurement 2 Multiply the lines per inch by two to find the best scanning resolution For example for 133 lines per inch a common resolution for magaz...

Страница 39: ...this setting If you are not sure how large you want the printed image choose the largest size you might use You can reduce the image size later with your software You can also increase the size with your software but you may lose some quality Note The size of the image on your monitor will probably be diferent from the size of the image when you print it Halftoning and dropout For nearly all uses ...

Страница 40: ...ality When you look at your monitor to evaluate a scanned image remember that the image will look different when it is printed A monitor is a comparatively low resolution device some images that look good on a monitor do not look as good when printed and vice versa Keep in mind the final output device as you choose settings and manipulate the image In addition each output device may produce differ...

Страница 41: ...k size Scanned images can use much more memory than text files so you may need more Random Access Memory RAM in your computer and a larger hard disk than you have used previously Accelerator boards In addition to memory processing speed is important because large files take longer to process than small ones Therefore you may want to add an accelerator board to your computer Video cards A video car...

Страница 42: ...ograms are available to make image files smaller for storage or transmission For example they can enable you to store a 3MB image file on a floppy disk Some compression software can compress images and restore them with no loss of data or quality others compress images more but the restored file is not exactly the same as the original The difference between the original and restored files is howev...

Страница 43: ...Chapter 4 Troubleshooting and Maintenance Problems and Solutions 4 2 Maintenance 4 8 Replacing the fluorescent lamps 4 9 Transporting the Scanner 4 10 Troubleshooting and Maintenance 4 1 ...

Страница 44: ...omputer or software 0 Incorrect operation of your software Also see the documentation that came with your software computer and printer for possible solutions Note if you need to reset your scanner use the RESETbutton under the DIP switch cover The READY light does not come on Make sure the scanner is correctly connected to the computer and that the computer is turned on Make sure the power cable ...

Страница 45: ...t the system requirements such as the operating system version are correct for using your software See if the computer has enough memory for your software If you are running other software at the same time using RAM resident programs or have many device drivers the computer may not have enough memory remaining See your software and computer manuals See whether your software supports the ES 600C If...

Страница 46: ...ot tilted or placed on an unstable surface Part of the image is distorted or blurred Part of the document may be wrinkled warped or not in contact with the document table the glass area Be sure the document is uniformly flat Caution Do not place heavy objects on the document table The edges of the document are not scanned The document table has non readable areas around the edges Adjust your docum...

Страница 47: ...t the document is placed flush against the document table Check your gamma correction setting If it is set for printer the image looks lighter when displayed on a monitor Make the brightness setting darker The lightest setting is 3 and the darkest is 3 The image is too dark Adjust the brightness with your software Also check the brightness and contrast values of your display screen Straight lines ...

Страница 48: ...eck that the settings of your application and your image match See your software manual A line of dots is always missing on the scanned image If this happens on your printed image only your printer or its print head is probably malfunctioning See your printer manual If this happens on both your screen and printout the scanner s sensor may be malfunctioning Consult your dealer When halftoning is us...

Страница 49: ...computer display adapter and software Some computers can change the color palette to adjust colors on your screen See your computer manual The printed color seems different from that of the originals Exact reproduction of colors is very difficult See your software manual or your printing company for guidance on color matching The printed image is larger or smaller than the original size Check the ...

Страница 50: ...nner operating at its best you should clean it periodically Before cleaning unplug the power cable Clean the outer case with mild detergent dissolved in water If the glass of the document table gets dirty clean it with a soft dry cloth If the glass is stained with grease or other hard to remove material use a small amount of glass cleaner on a soft cloth to remove it Wipe off any remaining liquid ...

Страница 51: ...ents This could permanently damage the mechanism and circuit y Do not spray lubricants inside the scanner Never open the scanner case Replacing the fluorescent lamps The luminosity of the fluorescent lamps declines over time If the lamps break or become too dim to operate normally the scanner stops working and both the READY light and the ERROR light blink When this happens the lamp assembly must ...

Страница 52: ...he scanner Then turn off the scanner 2 Remove the transportation screw from the storage hole and screw it into the center hole to secure the carriage Note If the scanner is broken the carriage may not automatically return to the home position If it does not raise the front of the scanner and hold it in a vertical position until the carriage comes to rest at the back of the scanner Then perfom Step...

Страница 53: ...5 2 Electrical Specifications 5 4 Environmental Conditions 5 4 Parallel Interface Specifications 5 5 Timing charts 5 8 SCSI Specifications 5 9 Signal pin assignments 5 10 Initialization 5 11 Default settings 5 12 DIP Switches 5 12 Technical Specifications 5 1 ...

Страница 54: ...ze or A4 300 dpi 50 60 72 75 80 90 100 120 133 144 150 160 175 180 200 216 240 300 320 360 400 401 and 600 dpi Values above 300 through software interpolation Monochrome mode about 20 seconds Color page sequence mode about 70 seconds Color line sequence mode about 80 seconds By switching light sources G R B Monochrome mode One time scanning Dropout color selectable from Green Red or Blue Color pag...

Страница 55: ...dither patterns Halftoning mode A for quad level data Gamma correction 2 for CRT display 3 for printer 1 for user defined Color correction Interface light source Reliability Dimensions and weight 1 type for CRT display 3 types for printer output available in color line sequence mode only Bidirectional parallel or SCSI Noble gas fluorescent lamps 3 lamps Main unit MCBF 100 000 cycles of carriage mo...

Страница 56: ...Temperature Humidity Operating conditions Operation 40 o F to 95o F 5o C to 35o C Storage 10o F to 150o F 20 C to 60o C Operation 10 to 80 without condensation Storage 10 to 85 without condensation Ordinary office or home conditions Extreme dust should be avoided Operation under direct sunlight or near a strong light source should be avoided Note Specifications are subject to change without notice...

Страница 57: ...format 8 bit parallel Synchronization Handshaking Logic level Connector type By external strobe pulse By ACKNLG and BUSY signals Input output data and interface control signals are TTL level compatible 36 pin Centronics type connector Connector pin arrangement Technical Specifications 5 5 ...

Страница 58: ...Signal pin assignments 5 6 TechnicaI Specifications ...

Страница 59: ...pair cable for each signal and to complete the connection on the return side These cables should be shielded and the ground connected to the chassis of the host computer and the scanner CI All interface conditions are based on TTL level When this signal level becomes low the scanner is reset to the Technical Specifications 5 7 ...

Страница 60: ...The figures below show the timing for the bidirectional parallel interface as viewed from the scanner OUT from scanner to computer IN from computer to scanner min 0 5 µs 5 8 Technical Specifications ...

Страница 61: ... Logical Unit number is fixed to 0 and command link function is not supported DATA phase Data in phase Data out phase STATUS phase MESSAGE phase Includes MESSAGE IN phase and MESSAGE OUT phase ATTENTION condition RESET condition TTL level compatible As per ANSI X3 131 1986 Internal terminator turned on or off by the switch Selectable from 0 to 7 with the rotary switch 8 and 9 should not be selecte...

Страница 62: ...Connector pin arrangement Signal pin assignments In this table the direction of the signals is given relative to the scanner 5 20 Technical Specifications ...

Страница 63: ...tions in three ways Hardware initialization 0 When the power is turned on 0 When the scanner receives an INIT signal at the parallel interface pin 31 goes low Software initialization P When the software command ESC initialize the scanner is received Technical Specifications 5 21 ...

Страница 64: ...conditions when the scanner is initialized When the scanner is initialized the scanner terminates the scanning operation and the carriage returns to the home position rear of the scanner DIP Switches Default setting All off 5 12 Technical Specifications ...

Страница 65: ...Appendix scanner Functions A 2 How the scanner works A 2 Scanner settings A 3 Appendix A l ...

Страница 66: ... scanner works The image is divided into a two dimensional matrix of tiny dots Each dot is called a pixel or picture element The sensor on the carriage scans a line of pixels and as the carriage moves the succeeding lines of pixels are scanned The values of the electrical current for pixels are then processed and converted into binary data that can be used by computer devices Images such as photog...

Страница 67: ...m reproduction results by adjusting the way the image is captured and converted into image data Scanner settings The table below summarizes the scanner functions and the settings available on your scanner Each of them is explained in the following pages All of these functions are controlled by the software commands from your scanner software You may need to do some trials by yourself to find out y...

Страница 68: ...tching resolution for your particular output device follow the guidelines in Chapter 3 The default value of the output resolution is 100 dpi Size or scale The size or scale function allows you to reduce or enlarge the size of the output image The value can be set in the range of 50 to 200 in increments of 1 When the size is set to 100 the image is scanned at the actual size for the current resolut...

Страница 69: ...the value increases more tones and colors can be captured in the scanned image In monochrome 1 bit pixel bi level data can represent only two levels of tones black 0 or white 1 With 2 bits pixel quad level data four levels of tones can be represented by the binary values of 00 01 l0 and 11 Using 8 bits pixel corresponds to 256 shades of gray producing near photographic quality results In color the...

Страница 70: ...8 bits pixel 2 bits pixel 3 bits pixel 1 bit pixel A 6 Appendix ...

Страница 71: ... storing an image The larger the bits per pixel value chosen the larger the amount of image data becomes Brightness One of seven brightness levels can be chosen for scanning Medium is the normal setting It is better to use darker settings for line art or faint original images and to use lighter settings for darker original images The brightness can be combined with any other function The graph bel...

Страница 72: ...rriage reading green red and blue for every line This yields more accurate color separation Because the color for each pixel can be determined as soon as it is read the color correction function can be used Monochrome reading standard The scanner scans the document with one pass and reads the image in monochrome black and white In standard monochrome your scanner illuminates the document with the ...

Страница 73: ...ontinuous tones as you can see on pages 16 and 18 of the Color Image Scanner booklet You can choose various types of halftoning at the time you scan but it is nearly always best to choose halftoning of off or none and have the halftoning done by the image editing software or by the output device such as a laser printer The illustration on page 3 7 was scanned in color with no halftoning and printe...

Страница 74: ...atterns Note Usually your scanner software or printing method can pet form the halftoning Therefore you should usually not use halftoning or dither patterns when you scan cl Ll Li Halftoning mode A This is the standard halftoning mode The image is converted into a hard tone to produce a distinct image and is suitable for most purposes 1 and 2 bits pixel color Halftoning mode B With this mode the i...

Страница 75: ...alftone is expressed in 4 by 4 bayer dither pattern Dither pattern B Halftone is expressed in 4 by 4 spiral pattern Dither pattern C Halftone is expressed in 4 by 4 net screen dither pattern Dither pattern D Halftone is expressed in 8 by 4 net screen dither pattern Appendix A 11 ...

Страница 76: ...rn C Dither pattern D Note Changing the size of a halftone processed image with your application software may degrade the image Instead use the scanner s size or scale function at the time of scanning to select your desired image size A 12 Appendix ...

Страница 77: ...e graph that shows the ratio as shown below Gamma correction provides five settings and can be combined with all other scanner functions Choose an appropriate setting from the five modes below 0 CRT Display A The output data is in proportion to the original image as shown in the above graph This setting is suited for most types of computer displays which can display an image in l bit pixel color f...

Страница 78: ...ters and page printers The image is converted into a slightly darker image to compensate for the lower lighter density of such printers The image looks faint when viewed on a CRT display 0 Printer Output C This setting is suitable for high contrast printing of images which contain both picture and text This setting gives higher contrast and more definition than either Printer Output A or B The dar...

Страница 79: ...e definition and colors can differ slightly depending on the printing methods or the types of ink used cl cl Ll cl CRT displays This setting compensates colors for the characteristics of color CRT displays Impact dot matrix printers This setting compensates colors for the characteristics of impact dot matrix color printers Thermal transfer printers This setting compensates colors for the character...

Страница 80: ...binary digit The smallest unit of data in computer processing A bit can represent two values on and off or 1 and 0 bit pixel The unit to indicate the number of bits allocated for a pixel The larger the value the more detail of a pixel is represented brightness A scanner function to lighten or darken the output image data A unit of information consisting of eight bits A byte can represent a control...

Страница 81: ...ors cyan magenta and yellow plus black are used for printing press separations default A set of values used when no other selections have been made dithering A process in which software or an output device simulates continuous tones with groups of dots document The physical item such as a sheet of paper or a book that you place on the document table for the scanner to read dpi Short for dots per i...

Страница 82: ...image gamma curve The graph that shows the contrast ratio between the input original image and output image data in image processing halftoning A data processing method of converting continuous tones into digital data so that the output data simulates the tones Used for bi level and quad level data home position The position at the back of the scanner where its carriage rests before a scanning ope...

Страница 83: ...etween or among computer devices line sequence A type of color scanning that separates primary colors line by line The carriage makes only one pass monochrome Black and white images or images represented only by the intensity of luminosity multi level data Image data that consists of more than one bit per pixel page sequence The type of color scanning in which the entire image is scanned once for ...

Страница 84: ... dots per inch dpi or pixels per inch ppi scan An operation performed by the sensor and the carriage The image is divided into pixels by scanning scanning area The physical size of the image that can be scanned by the scanner self test A built in function to check the operation of the scanner subtractive primary colors Primary colors that produce black when mixed in certain proportion These are ye...

Страница 85: ...to the paper with heat generated by a number of small heating elements threshold A value that is referenced to determine whether a certain value is larger or smaller The scanner uses a number of thresholds to convert an image into digital data GL 6 Glossary ...

Страница 86: ...ng a place l 2 Cleaning document table 4 8 scanner 4 8 Color 3 6 3 9 10 A 2 A 8 Color correction 3 11 A 14 15 GL 2 Color Image Scanner booklet 3 7 A 9 Color printing 3 11 4 7 Color separation 3 8 GL 2 Colors number of A 5 7 Compression file 3 l3 Computer connecting to 2 2 9 Continuous tone 3 6 3 7 Contrast 4 5 Cord power 5 1 4 Correction color 3 11 A 14 15 gamma 3 11 45 A 13 14 Cover document l 6 ...

Страница 87: ...t lamps l 6 7 49 5 3 Focus 3 3 4 5 Format data 46 4 7 A 5 7 G Gamma correction 3 11 4 5 A 13 14 GL 3 Gray scale 3 6 3 9 A 5 7 Guidelines resolution 3 9 H Halftoning 3 10 4 6 A 9 12 GL 3 Hard disk 2 9 3 8 3 12 Help where to get 3 Home position l 6 4 10 GL 3 Humidity l 2 5 4 I IBM PS 2 2 2 Image distortion 4 4 5 Image type 3 5 6 Images continuous tone 3 6 gray scale 3 6 A 5 7 printed 3 6 Imagesetter...

Страница 88: ...E button 14 1 6 Optical Character Recognition OCR 1 Options 1 Output resolution 5 2 P Page sequence 3 6 A 8 GL 4 Parallel interface 1 2 2 4 5 5 8 Photographs 3 3 3 6 3 7 A 9 Phototypesetter 3 8 Pin connections 5 5 5 10 Pixels 5 2 A 2 A 4 GL 5 Placement document 3 2 3 scanner l 2 Plugging in l 4 Position home l 6 4 10 CL 3 Power cord 5 1 4 Power on sequence 2 8 9 Ppi 3 9 5 2 Press printing 3 8 3 9 ...

Страница 89: ...uence line A 8 A 10 A 13 GL 4 page 3 6 A 8 GL 4 power on 2 8 9 Service bureau 3 8 7 10 Settings 3 4 11 Setup l l 8 Shielded cable 24 Size file 3 8 3 11 image 3 10 A 4 5 printed 3 10 Slides 1 Solutions 42 8 Space l 2 Specifications 5 2 12 Switch DIP l 5 1 8 5 12 SCSI ID number 2 6 5 9 terminator 2 7 5 9 T Table document 3 2 Technical specifications 5 2 12 Telephone toII free 3 Temperature l 2 5 4 T...

Страница 90: ...Epson America Inc 20770 Madrona Avenue Torrance California 90503 Printed in Japan 92 ...

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