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Epson G670B, User Manual

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Epson G670B User Manual Download Page 33

Chapter 3

Maintenance and Troubleshooting

Proof Sign-off:
E. Ohtera

_______

G. Grady

_______

Maintenance   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-2

Cleaning the scanner  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-2
Replacing the fluorescent lamps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-3

Transporting the Scanner   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-3

Problems and Solutions   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-4

Error indicators  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-4
Operating problems .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-5
Quality problems  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3-7

3

R

GT-5500 Rev.C

A5 size

Chapter 3

July-18-96

Pass 0, DR

Maintenance and Troubleshooting      

3-1

Summary of Contents for G670B

Page 1: ......

Page 2: ...ary switch Scanner Parts carriage in the home position document table OPERATE button RESET button lights 01 0 1 2 3 4 5 6 7 ON SW SCSI SCSI AC inlet SCSI interface connectors storage hole terminator switch transportation screw e ...

Page 3: ... 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 and its affiliates shall not be liable against any damages or problems arising from the use of any options or any consumable products other than those designated as Original EPSON Products or EPSON Approved Prod...

Page 4: ...Bavincklaan 5 1183 AT Amstelveen The Netherlands Declares that the Product Product Name Image Scanner Type Name GT 5500 Model G670B Conforms to the following Directive s and Norm s Directive 89 336 EEC EN 55022 Class B EN 61000 3 2 EN 61000 3 3 EN 50082 1 IEC 801 2 IEC 801 3 IEC 801 4 Directive 73 23 EEC EN 60950 August 1997 Y Ishii President of EPSON EUROPE B V ii ...

Page 5: ...er 1 Setting Up the Scanner Choosing a Place for the Scanner 1 2 Removing the Transportation Screw 1 3 Plugging In the Scanner 1 4 Initialization 1 5 Connecting the Scanner to Your Computer 1 6 Understanding SCSI connections 1 6 Setting the SCSI ID number 1 7 Setting the terminator switch 1 8 Connecting the scanner 1 10 Power on sequence 1 11 Power off sequence 1 12 iii ...

Page 6: ... Monitors 2 8 File compression software 2 8 Chapter 3 Maintenance and Troubleshooting Maintenance 3 2 Cleaning the scanner 3 2 Replacing the fluorescent lamps 3 3 Transporting the Scanner 3 3 Problems and Solutions 3 4 Error indicators 3 4 Operating problems 3 5 Quality problems 3 7 Appendix A Technical Specifications Scanning A 2 Electrical A 3 Environmental A 4 Safety Approvals A 4 SCSI Interfac...

Page 7: ...dix B Contacting Customer Support For United Kingdom and the Republic of Ireland Users B 2 For Australian Users B 4 For Singapore Users B 5 For Hong Kong Users B 5 For Philippines Users B 6 Glossary Index v ...

Page 8: ...vi ...

Page 9: ...TWAIN let you take full advantage of your scanner s advanced features Auto Area Segmentation AAS allows you to separate text from photographs on a page so that grayscale images are clearer and text recognition is more accurate Text Enhancement Technology TET enhances text recognition accuracy when using your scanner for optical character recognition OCR scanning A special feature for higher qualit...

Page 10: ...t Notes contain important information and useful tips on the operation of your scanner Important Safety Instructions Read all of these instructions and save them for later reference Follow all warnings and instructions marked on the scanner Unplug the scanner before cleaning Clean with a damp cloth only Do not spill liquid on the scanner Do not place the scanner on an unstable surface or near a ra...

Page 11: ...rself Unplug the scanner and refer servicing to qualified service personnel under the following conditions If the power cord or plug is damaged if liquid has entered the scanner if the scanner has been dropped or the cabinet damaged if the scanner does not operate normally or exhibits a distinct change in performance Adjust only those controls that are covered by the operating instructions If you ...

Page 12: ...ns lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The green and yellow wire must be connected to the terminal in the plug which is marked with the letter E or with the earth symbol G The blue wire must be connected to the terminal in the plug marked with the letter N The brown wire must be connected to the terminal in ...

Page 13: ...rew 1 3 Plugging In the Scanner 1 4 Initialization 1 5 Connecting the Scanner to Your Computer 1 6 Understanding SCSI connections 1 6 Setting the SCSI ID number 1 7 Setting the terminator switch 1 8 Connecting the scanner 1 10 Power on sequence 1 11 Power off sequence 1 12 1 Setting Up the Scanner 1 1 ...

Page 14: ...r for the cables and make sure to place the scanner where you can easily unplug the power cord Also allow sufficient space above the scanner so that you can fully raise the document cover Keep the scanner away from high temperature and humidity Also avoid using or storing the scanner in places subject to rapid changes of temperature and humidity Keep the scanner away from direct sunlight and stron...

Page 15: ...rear panel by turning it counter clockwise as shown below If necessary turn the screw with a coin or screwdriver to loosen it 3 Push the screw into the storage hole marked STOCK It does not screw in Make sure you push it all the way into the hole Note Do not discard the transportation screw It must be replaced when storing or transporting the scanner 0 1 2 3 4 5 6 7 ON SW SCSI SCSI 02 0 1 2 3 4 5 ...

Page 16: ...power cable to the power inlet on the rear of the scanner and plug the other end into a properly grounded outlet c Caution It is not possible to change the scanner s voltage If the label on the back of the scanner does not show the correct voltage for your country contact your dealer OPERATE RESET 08 0 1 2 3 4 5 6 7 ON SW SCSI SCSI 04 1 4 Setting Up the Scanner ...

Page 17: ...ke sure the fluorescent lamps on the carriage flash and the carriage moves slightly 4 The READY light comes on This means the scanner has completed its initialization 5 Turn off the scanner If the scanner does not work as described make sure that the power cord is firmly plugged in and that you have removed the transportation screw then try again c Caution Whenever you turn off the scanner wait at...

Page 18: ...I board as described in the SCSI board installation documentation For Macintosh users All Macintosh computers have SCSI ports you do not need to install a SCSI board in a Macintosh Follow the directions below to connect your scanner and computer Understanding SCSI connections Read the following sections to help determine how to set up your SCSI device s and if you need any optional SCSI cables Dai...

Page 19: ...etween 0 and 6 Also the first device and the last device in the chain not including the computer must have a terminator No other device can have a terminator or if a terminator does exist it must be turned off Setting the SCSI ID number The scanner s default SCSI ID number is 2 If you add the scanner to a system in which one of your SCSI devices already has a SCSI ID of 2 change the ID number of t...

Page 20: ...be available for Windows Usually used for the SCSI board Not available Never selected1 1 Otherwise the scanner does not work properly c Caution Do not set the SCSI ID to an ID number that is already assigned to another device Otherwise the computer scanner and other devices will not function properly Setting the terminator switch The scanner has a built in terminator which allows SCSI devices to c...

Page 21: ...tor switch is located at the rear of the scanner 0 only the scanner is connected terminator on 1 the scanner is the last device in the daisy chain other SCSI device terminator on 1 the scanner is in the middle of the daisy chain terminator off other SCSI device 1 Setting Up the Scanner 1 9 ...

Page 22: ... computer or other devices while they are turned on otherwise damage may occur 2 Connect one end of the cable to the scanner SCSI connector then squeeze the wire clips together until they lock in place on both sides Note To connect the scanner to a SCSI device other than the computer the length of cable in the daisy chain must be 6 meters or less otherwise the system may not work properly To conne...

Page 23: ...ternal SCSI devices Note Before turning on your system be sure to read Power on sequence below Power on sequence Keep the following in mind every time you turn on your computer and SCSI devices such as the scanner Be sure to turn on SCSI devices first then your computer If you attempt to use a SCSI device which has been turned on after the computer it may not work properly or the computer may not ...

Page 24: ... in mind every time you turn off your computer and SCSI devices When you are finished using your system turn off your computer first then the scanner and other SCSI devices While using your computer do not turn off the SCSI device whose terminator is active on Do not turn the scanner off and back on while using your computer otherwise the scanner may not scan properly Now that the connection is co...

Page 25: ...2 Placing a Document on the Scanner 2 4 Removing the Cover for Thick or Large Documents 2 6 Sizing Up Your System 2 7 RAM and hard disk size 2 7 Accelerator boards 2 8 Video cards 2 8 Monitors 2 8 File compression software 2 8 2 Using Your Scanner 2 1 ...

Page 26: ...n page 1 11 2 Place the document or material you want to scan on the document table This is described in detail on page 2 4 3 Run the scanner software and enjoy scanning See your scanner software manual for details on scanning Lights and Buttons The scanner has three indicator lights and two buttons OPERATE RESET lights buttons 10 2 2 Using Your Scanner ...

Page 27: ...ady to scan images o f Along with the ERROR light indicates the type of error See page 3 4 for troubleshooting information OPERATE green o The scanner is turned on o on f flashing Buttons Button Function OPERATE Turns the scanner on and off RESET Resets the scanner after an error Do not press this button while scanning or you may cause an error Using Your Scanner 2 3 ...

Page 28: ... first checking the copyright status 1 Turn on the scanner if necessary by pressing the OPERATE button The OPERATE light comes on 2 Turn on the computer and make sure that the scanner s READY light is on 3 Open the document cover OPERATE RESET 08 Caution Do not open the document cover forcefully or you may damage the cover s hinge 09 2 4 Using Your Scanner ...

Page 29: ...the document table with the side to be scanned facing down Make sure that the document is carefully aligned 5 Close the document cover gently so that the document does not move corner of the document 1 1 Using Your Scanner 2 5 ...

Page 30: ...iod of time they may stick to the glass Do not place heavy objects on top of the scanner 6 Start your scanner software and follow scanning instructions in your scanner software manual Removing the Cover for Thick or Large Documents For thick materials or documents that are larger than the document table remove the document cover Note When scanning with the cover removed make sure you cover any exp...

Page 31: ...st scanning needs but if you are not satisified with the quality of the images on your monitor or with the speed of image processing read this section While it does not contain specific recommendations it describes various possibilities for improving your scanning system For further information see your dealer or an experienced scanner user RAM and hard disk size Scanned images use much more memor...

Page 32: ...ghest quality image reproductions Monitors The resolution of your monitor affects the quality of the image you see Consider a high resolution monitor if you do precise color work but also be sure you have a high quality video card File compression software Many different programs are available to make image files smaller for storage or transmission For example some compression software can store a...

Page 33: ...ing Maintenance 3 2 Cleaning the scanner 3 2 Replacing the fluorescent lamps 3 3 Transporting the Scanner 3 3 Problems and Solutions 3 4 Error indicators 3 4 Operating problems 3 5 Quality problems 3 7 3 Maintenance and Troubleshooting 3 1 ...

Page 34: ...ure that there is no dust on the glass of the document table Dust can cause white spots in your scanned image c Caution Be careful not to scratch or damage the glass of the document table and do not use a hard or abrasive brush to clean it A damaged glass surface can decrease the scanning quality Never use alcohol thinner or corrosive solvent to clean the scanner These chemicals can damage the sca...

Page 35: ...ort the scanner a long distance or store it for an extended period follow the steps below to secure the carriage 1 Turn on the scanner and wait until the carriage moves to the home position position nearest the cover hinge Then turn off the scanner 2 Remove the transportation screw from the storage hole marked STOCK and screw it into the center hole Note If the scanner is broken the carriage may n...

Page 36: ...our software settings and try scanning again The scanner returns to normal when it receives correct commands Resetting the scanner has no effect ERROR f READY n Cause The interface setup is wrong or the scanner is not properly connected to the computer What to do Check the interface connection Then push the RESET button or turn the scanner off and back on to reset it ERROR f READY f Cause The tran...

Page 37: ...software manual Incorrect operation of your software see your software manual Also see the documentation that came with your computer and printer for possible solutions The OPERATE light does not come on Press the OPERATE button to turn on the scanner Make sure the power cable is correctly plugged into the scanner and the power outlet The READY light does not come on Make sure the scanner is corre...

Page 38: ... board for your scanner See your computer manual The scanner software does not work properly Be sure you have correctly installed your software Make sure that your computer system meets the requirements such as the operating system version specified for your software Confirm that the computer has enough memory for your software If your computer has many device drivers or if you are running other s...

Page 39: ...t table Be sure the document is uniformly flat c Caution Do not place heavy objects on the document table Edges of the document are not scanned The document table has non readable areas around the edges If part of your document extends beyond the maximum limits marked on the document table edge guides you may have to reposition your document so that the image you want to scan is within the readabl...

Page 40: ...ss and contrast values of your display screen Straight lines in the image are jagged The document may be placed at an angle on the document table Align it so that the horizontal and vertical lines are carefully aligned with the scales on the top and side of the document table The image does not look the same as the original Try different combinations of image settings using your scanner software Y...

Page 41: ...appear on particular areas of an image This is normal See the explanation of moiré patterns in the Color Guide Colors on your monitor are different from those in the original image Check the image settings in your scanner software especially data format bits pixel color gamma correction and color correction Try a different combination of these settings Check the color matching and color management...

Page 42: ... than the original size The image size settings in your software determine the size of the printed image Do not use the size of the image on your monitor to judge the printed size Your image cannot be printed or the printout is garbled Check that the printer is properly connected with the computer and is correctly set up See your printer manual Check that your software is properly installed and se...

Page 43: ...Appendix A Technical Specifications Scanning A 2 Electrical A 3 Environmental A 4 Safety Approvals A 4 SCSI Interface A 5 Initialization Methods A 6 A Technical Specifications A 1 ...

Page 44: ...e Three pass scanning R G B Color byte sequence One pass scanning R G B Color line sequence One pass scanning R G B Zoom 50 to 200 in 1 increments Image data 10 bits per pixel per color saved as 8 bits per pixel per color maximum Brightness 7 levels Line Art settings Fixed threshold Text Enhancement Technology enable disable selectable Halftoning process AAS Auto Area Segmentation Enable disable s...

Page 45: ...th 297 mm 11 9 inches Depth 443 mm 17 7 inches Height 87 mm 3 5 inches Weight Approx 5 kg 11 1 lb Electrical This product is also designed for IT power systems with Phase to Phase voltage 220 240V 100 120 V model 220 240 V model Input voltage range AC 90 to 132 V AC 198 to 264 V Rated frequency 50 to 60 Hz Input frequency 49 5 to 60 5 Hz Rated current 0 5 A 0 3 A Power consumption Approx 20W Note ...

Page 46: ...dinary 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 Safety Approvals Safety standards EN 60950 VDE EN 60950 Nordic Deviation NEMKO EMC EN55022 CISPR Pub 22 class B EN 61000 3 2 EN 61000 3 3 EN 50082 1 IEC 801 2 IEC 802 3 IEC 802 4 A 4 Technical Specif...

Page 47: ...hase Data in phase Data out phase STATUS phase MESSAGE phase MESSAGE IN phase MESSAGE OUT phase ATTENTION condition RESET condition Logic level TTL compatible Electrical standard ANSI X3T9 2 375R Revision 10L SCSI ID Setting Selectable from 0 to 7 Terminator Internal terminator selectable enable disable Connector type 25 50 pin connectors Connector pin arrangement 50 pin 25 pin 1 26 1 14 25 13 50 ...

Page 48: ...ardware initialization When the scanner is turned on When the scanner receives a SCSI Reset signal from the SCSI interface When you push the RESET button Software initialization When software sends the ESC initialize the scanner command When the scanner receives a SCSI Bus Device Message A 6 Technical Specifications ...

Page 49: ...ntacting Customer Support For United Kingdom and the Republic of Ireland Users B 2 For Australian Users B 4 For Singapore Users B 5 For Hong Kong Users B 5 For Philippines Users B 6 B Contacting Customer Support B 1 ...

Page 50: ...e Republic of Ireland Users If you purchased your scanner in the UK or the Republic of Ireland Epson UK Limited provides a range of customer services and technical support Note For customers in the Republic of Ireland please use the correct dialing codes when dialing the UK telephone numbers listed in the following sections For example the Enquiry Desk fax number 01442 227271 should be dialed as 0...

Page 51: ... be asked to follow a simple routine to register your document request and once you have entered your telephone and fax numbers Faxon Epson will fax a copy of the document catalogue to your fax machine When you have found the documents that you need in the catalogue call Faxon Epson again and enter the document ID numbers The documents will be faxed to you automatically EPtec Bulletin Board Servic...

Page 52: ... drivers available Phone 02 9903 9075 and the system will guide you through a number of choices before faxing the information to your fax machine EPSON Bulletin Board System This is where you can download the latest software and drivers Visit the BBS to check out the latest versions If you have a modem phone 02 9417 5090 Internet URL http www epson com au Access the EPSON Australia World Wide Web ...

Page 53: ...mation includes the User s Guide for your EPSON product type of computer operating system application programs and any other information you feel is required For Singapore Users Contact the telephone and fax numbers below Phone 065 337 7911 Fax 065 334 1185 For Hong Kong Users To obtain technical support as well as other after sales services users are welcome to contact EPSON Hong Kong Limited Int...

Page 54: ...4244 Technical Support Hotline You can also contact our technical staff at the following telephone and fax numbers Phone 852 2585 4399 Fax 852 2827 4383 For Philippines Users To obtain technical support as well as other after sales services users are welcome to contact the EPSON Philippines Representative Office at the telephone and fax numbers below Phone 632 813 6552 Fax 632 813 6545 BBS 632 814...

Page 55: ...r carriage A component of the scanner that contains the optical sensor and light source for scanning color correction A method of adjusting the color image data for a particular type of device so that the reproduction results are as close as possible to the original colors color separation A process to convert full color images into a limited number of primary colors The additive primary colors re...

Page 56: ...of reproducing images with patterns of dots to improve the quality of the output home position The position at the rear nearest the cover hinge position of the scanner where its carriage rests before a scanning operation imagesetter A device that uses computer files to produce high resolution text and graphics output on film or paper These are usually found in service bureaus and printing companie...

Page 57: ...al size of the image that can be scanned by the scanner SCSI Small Computer System Interface This is one method used to connect your computer to peripherals such as scanners hard disk drives CD ROM drives and so on SCSI ID The numbers that all devices in a SCSI connection see daisy chain use to identify each other If the same ID number is used by two devices in the same daisy chain the devices can...

Page 58: ...ered off In the case of color image data on means that a certain color will appear in a pixel or dot and off means that color will not appear there tone correction A method of adjusting the tone curve so that the reproduction results on different types of output devices have gradations similar to the original image tone curve The graph that shows the contrast ratio between the input original image...

Page 59: ...leaning 3 2 Chain daisy 1 6 1 9 Choosing a place 1 2 Compression 2 8 Connecting cable 1 10 power cable 1 4 SCSI device 1 10 to computer 1 6 D Daisy chain 1 6 1 9 Document cover 2 3 2 6 7 table 2 5 placing 2 4 2 6 E Electrical specifications A 3 Environmental specifications A 4 ERROR light 2 2 3 4 F Factory set SCSI ID 1 7 File compression 2 8 Fluorescent lamp 1 5 3 3 H Hard disk 2 7 Index Index IN...

Page 60: ...2 1 6 7 1 11 see also SCSI Maintenance 3 2 3 Moiré 1 see also Color Guide Monitor 2 8 O OCR 1 OPERATE button 1 4 5 2 2 3 light 1 5 2 2 3 Optical Character Recognition OCR 1 Options 1 2 P Peripheral cable SCSI 1 2 Placing document 2 3 scanner 1 2 Plugging in 1 4 Port SCSI 1 6 1 11 Power cable 1 4 Power on sequence SCSI 1 11 Power off sequence 1 12 Problems and solutions 3 4 R RAM 2 7 READY light 1 ...

Page 61: ... 7 8 rotary switch 1 7 8 port 1 6 1 11 power on sequence 1 11 power off sequence 1 12 SCSI interface 1 6 8 14 specifications A 4 Space for the scanner 1 2 Specifications electrical A 3 environmental A 4 safety approval A 4 scanning A 2 3 SCSI interface A 5 Storage hole 1 3 Switch rotary 1 7 terminator 1 8 9 T Table document 2 5 Terminator 1 7 9 switch 1 8 9 TET 1 Text Enhancement Technology TET 1 ...

Page 62: ...IN 4 Index ...

Page 63: ...No 1 Temasek Avenue 36 00 Millenia Tower Singapore 039192 Phone 065 33 77 911 Fax 065 33 41 185 EPSON HONG KONG LTD Rooms 4706 10 47 F China Resources Bldg 26 Harbour Road Wanchai Hong Kong Phone 2585 4300 Fax 2827 7083 EPSON TAIWAN TECHNOLOGY TRADING LTD 10F No 287 Nanking E Road Sec 3 Taipei Taiwan R O C Phone 02 717 7360 Fax 02 712 9164 EPSON ITALIA S p A V le F lli Casiraghi 427 20099 Sesto S ...

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