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B81306* Service Manual

Traubleshooting

5.1

TROUBLESHOOTING

defect that indicated in

you can easily identify what the problem.

When a trouble occurs,

can

the defective unit by referring the symptoms of the

The table below lists the symptom of certain defects, and

Table 5-1. Symptom and Problem in Scanner Indicator

Symptom

Problem

Cause

Cover open

. Transparency Cover is open.
. Cover Open Sensor is defective.

Option Error

. Lamp Carriage Mechanism is

defective.

Carriage error

. Carriage Home Position Sensor is
defective.
. Carriage Motor is defective.

Table 5-2. Scanner indicates no error but no image data.

Cause

Checkpoint

Solution

Check the connection between

disconnected

and Scanner.

Connect them correctly.

Lamp is
defective

Check the lighting of Lamp.

Replace the Lamp.

Table 5-3. Sensor Status

Sensor

Point

Signal Level

Status

Cover Close

Cover Open Sensor

Cover Open

Carriage Home

At Home Position

Position Sensor

Out of home Position

Table 5-4. Motor

Motor

Resistance

Carriage Motor

5.3

10% (at250 C)

5-1

Содержание B81306 series

Страница 1: ...TRANSPARENCY UNIT B81306 FOR EPSON IMAGE SCANNER SERVICE MANUAL EPSON ...

Страница 2: ...of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual or the consequence thereof Epson is registered trademark of Seiko Epson Corporation General Notice Otherproductnames used herein are foridentication purposes only and maybe trademarks of the...

Страница 3: ...S MANUAL DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS WARNING REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CER mD REPAIR TECHNICIAN MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLT AGE LISTED ON T HE SERIAL NUMBER RAT...

Страница 4: ...ents of the printer CHAPTER 2 OPERATING PRINCIPLES Describes the theory of transparency unit operation CHAPTER 3 DISASSEMBLY AND ASSEMBLY Includes a step by step guide for product disassembly and assembly CHAPTER 4 ADJUSTMENTS This transparency unit is not needed any adjustment CHAPTER 5 TROUBLESHOOTING Provides Epson approved techniques for service CHAPTER 6 MAINTENANCE Describes preventive maint...

Страница 5: ...REVISION SHEET b Revision Issue Date Revision Page Rev A November 28 1994 Ist issue c L v ...

Страница 6: ...TABLE OF CONTENTS CHAPTER 1 PRODUCT DESCRIPTION CHAPTER 2 OPERATING PRINCIPLES CHAPTER 3 DISASSEMBLY AND ASSEMBLY CHAPTER 4 ADJUSTMENTS CHAPTER 5 TROUBLESHOOTING CHAPTER 6 MAINTENANCE APPENDIX vi ...

Страница 7: ...CHAPTER 1 Product Description Table of Contents 1 1 FEATURES 1 1 1 2 SPECIFICATIONS 1 1 1 3 MAIN COMPONENTS 1 1 Figure 1 1 List of Figures Exterior View of the Transparency 1 1 ...

Страница 8: ...nment conditions Power consumption Reliability Dimensions Light source movement By light Source green red blue Max 800PDI Noble gas cold cathord ray tube Transparency documents including slide film in color or monochrome Up to 216mm X 297mm 8 5 X 11 7 Temperature Operating 5 to 35 degrees C 41 to95 degrees F Storage 20 to 60 degrees C 4 to 140 degrees F Humidity Operating 10t080 nocondensation Sto...

Страница 9: ...tents 2 1 TRANSPARENCY MECHANISM OPERATION 2 1 2 1 1 Carriage Movement Mechanism 2 1 2 2 CONTROL CIRCUIT 2 2 2 2 1 Circuit Operation Overview 2 2 List of Figures Figure 2 1 The Carriage Movement Mechanism 2 1 Figure 2 2 Circuit Block Diagram 2 2 ...

Страница 10: ...tor assembly drives the gear lead screw The mrriagemot or sembly mounted on the lamp carriage assembly The lead screw is connected to the housing When the carriage motor turns the gear the carriage move the forward or backward in the housing smoothly via lead screw The carriage movement synchronizes with the scanner head movement The carriage home position sensor informs the CPU of scanner the car...

Страница 11: ...cuit board and the invertor circuit board The main circuit board drives the carriage motor Ihe invertor drives the light source of 3 colors green red blue noble gascathord ray tube only Thiscircuitis needed 5VDC forlogic and 24VDC for Jnvertor and carriage motor These power are supplied by the scanner via connector CN1 I BOARD ASSY MAIN Home Position Sensor Cover Open Sensor I 1 Figure 2 2 Circuit...

Страница 12: ...moving the COMBINATION GEAR 22 6 69 3 3 9 List of Figures Figure 3 1 Procedure for Disassembling the Printer 3 3 Figure 3 2 Removing the HOUSING LOWER 3 4 Figure 3 3 Removing the CARRIAGE ASSY 3 5 Figure 3 4 Putting CABLE CR on the FRAME COVER 3 5 Figure 3 5 Removing the BOARD ASSY MAIN 3 6 Figure 3 6 Removing the CARRIAGE MOTOR 3 7 Figure 3 7 Assembling the CARRIAGE MOTOR 3 7 Figure 3 8 Removing ...

Страница 13: ...he recommended tools for maintenancee work Use only the recommended lubricants and adhesives see Chapter 6 3 1 2 TOOIS Tables 3 1 and 3 2 list the tools recommended for assemb Iing assembling or adjusting the transparency unit Use only tools that meet these specifications Note Note Table 3 1 Recommended Tools Tool Part No Round nose pliers B740400100 Nicmers B7405OO1OO Tweezem B741OOO1OO Soldering...

Страница 14: ...ism dirty Checked Not necessary Carriage mechanism Mechanism oily Is the CARRIAGE MOTOR at the Checked Not necessary correct temperature not overheating Glass Side Is the surface of the Glass stain Checked Not necessaty On 1ine test Was the on line test successful Checked Not necessay 3 1 4 Specifications for Screws Table 3 4 lists the abbreviations used in the following sections for small parts s...

Страница 15: ... any part of the transparency unit note the wamin gs in Section 3 1 Before dkssembIing any part of the transparency unit remove the paper Disassembly includes the fo ovving 4 procedures 1 Rernovingthe HOUSING LOWER 2 Removing the CARRIAGE ASSY 3 Removing the BOARD ASSY J4AIN 4 Dkssembkg the CARRIAGE ASSY Refer to the diagrams in the appendix to see how components fit together 3 21 RerIKJving TRAY ...

Страница 16: ... Manual 3 2 1 Removing the HOUSING LOWER 1 Remove the 4 CBB M4x 10 screws and 2 CBS M3 x 8 attaching the HOUSING LOWER to HOUSING UPPER 2 Remove the HOUSING LOWER CBB M4X1O CBB M4X1O A CBS M3X8 Figure 3 2 Removing the HOUSING LOWER 3 4 Rev A ...

Страница 17: ...EF UW1 FRONT and REAR of the CARRIAGE ASSY to the HOUSING UPPER 4 Liftoff the CARRIAGE ASSY with HOLDEW IAFT FRONT and REAR CBB M4X12 Adhesive Tapes Figure 3 3 Removing the CARRIAGE ASSY 1 The CABLE CR must be put on the FRAME COVER straightly from the connector CN4 see fig3 4 2 The CABLE CR must not be gotten tight while CARRIAGE ASSY moving from front to rear CN4 FRAME COVER I I CABLE CR Figure ...

Страница 18: ...d remove the HOLDER ASSY 4 Remove the CBB M3 x 8 and 8 CBB M4 x 10 screws attaching the FRAME COVER to HOUSING UPPER And remove the FRAME COVER 5 Disconnect theconnectOrs CNl CN2 and CN3fromthe BOARD ASSY MAIN 6 Remove the 2 CBB M3 x 10 screws attaching the BOARD ASSY MA to HOUSING UPPER And remove the BOARD ASSY JVIAIN CBB M4X1O II CBB M4X1O YA FRAME COVER CBS M3X8 BS M3X8 HOLDER AssY w m a r RnA...

Страница 19: ...on 3 2 2 Release the wire harness of the CARRJAGE MOTOR from the hook of the FRAME ASSY BASE Remove the 2 CBS IU3 x 6 screws attaching the C ARRL4GE MOTOR to FMME ASSY BASE And remove the MOTOR T I Wire Harness CARRIAG FRAME ASSY BASE Figure 3 6 Removing the CARRIAGE MOTOR Rotate the MOTOR clockwise until the stopper on the FRAME ASSY BASE and tight Up screws Figure 3 7 Assemoving the CARRIAGE MOT...

Страница 20: ...CR 3 Disconnect the comector of LAMP ASSY from the BOARD ASSY INVERTOR and remove LAMP ASSY 4 Disconnect the comectorof CARRIAGE MOTOR from the BOARD ASSY INVERTOR and remove it 5 Removing the 2 CBS M3 x 6 screws attaching the BOARD ASSY INVERTOR to the FRAME ASSY BASE and remove BOARD ASSY INVERTOR COVER CR I CBS M3X6 I 1 LAMP ASSY I ie 7 l i FRAME ASSY BASE I ASSY INVERTOR Figure 3 8 Removing th...

Страница 21: ...CR see Section 3 2 4 2 Disconnect the connector of LAMP ASSY from the BOARD ASSY INVERTOR and remove LAMP ASSY Removing the 4 CBS M3 x 6 screws from 2 HOLDER SLIDERS and remove the HOLDER SLIDERS Remove the SLIDER CR Remove the 5mm Type E retaining ring from the shaft of FW4ME ASSY BASE and put off the COMBINATION GE 22 2 69 3 with a plain washer Do not put the 5mrn Type E retaining ring to the SH...

Страница 22: ...CHAPTER 4 Adjustments The transparency unit is not need any adjustment ...

Страница 23: ...CHAPTER 5 Troubleshooting Table of Contents 5 1 TROUBLESHOOTING 5 1 List of Table Table 5 1 Symptom and Problem in Scanner Indicator 5 1 Table 5 2 Scanner indicates no error but no image data 5 1 ...

Страница 24: ...iage Mechanism is defective Carriage error Carriage Home Position Sensor is defective Carriage Motor is defective Table 5 2 Scanner indicates no error but no image data I Cause I Checkpoint Solution CN1 is Check the connection between CN1 disconnected and Scanner I Connect them correctly Lamp is defective Check the lighting of Lamp Replace the Lamp Table 5 3 Sensor Status Sensor Point I Signal Lev...

Страница 25: ...aintenance Table of Contents 6 1 PREVENTIVE MAINTENANCE 6 1 6 2 APPLYING LUBRICATION 6 1 List of Figures Figure 6 1 Lubrication Points 6 1 List of Tables Table 6 1 Lubrication 6 1 Table 6 2 Lubrication Points 6 1 ...

Страница 26: ...ING LUBRICATION EPSON recommends that the transparency unit be lubricated at the points illustrated in Figure 6 1 Table 6 2 lists each point along with its recommended lubricant The recommended lubricants are G 42 it have been tested extensively and found to comply with the needs of this transparency unit Table 6 1 provides details about these lubricants Before applying a lubricant be sure that th...

Страница 27: ...of Figures Cable Connections B81306 MAINCircuit Diagram B81306 MAIN Component Layout Exploded Exploded Diagram Diagram 1 2 A 1 A 3 A 4 A 5 A 6 List of Tables Table A 1 Connector Summary A 1 Table A 2 Connector Pin Assignments CNl A 1 Table A 3 Connector Pin Assignments CN2 A 2 Table A 4 Connector PinAssignments CN3 A 2 Table A 5 Connector Pin Assignments CN4 A 2 Table A 6 Part No Reference Table A...

Страница 28: ... Connector Summary Board Connector Function Pins CN1 Interface 15 BOARD CN2 HP Sensor 3 ASSY MAIN CN3 Cover Open Sensor 2 CN4 LAMP CARRIAGE MOTOR 13 Table A 2 Connector Pin Assignments CN1 Pin I o Signal Narrw Function 1 0 Oswl Carriage Home Position Signal 2 0 OSW2 Cover Open Signal 3 I B Blue Lamp Control 4 I G Green Lamp Conttul 5 I R Red Lamp Control 6 5V 5VDC 7 GND Ground 8 24V 24VDC 9 T D Tr...

Страница 29: ...ction 1 I c o Cover Open Signal 2 GND Ground Table A 5 Connector Pin Assignments CN4 Pin 1 0 Signal Name Function 1 24 24VDC 2 24 24VDC 3 GND Ground 4 GND Ground 5 0 G Green Lamp Control 6 0 R Red Lamp Control 7 0 B Blue Lamp Control 8 GND Ground 1 91 GND I Ground 10 0 A Carriage Motor Phase A 11 0 At Carriage Motor Phase A 12 0 B Carriage Motor Phase B 13 0 B Carriage Motor Phase B A 2 Rev A ...

Страница 30: ...6 Service Manual Appendix A 2 CIRCUIT DIAGRAMS 47 T W c 1111 11 I I I It t ii i All III I I I 1 1 1 1 1 I I IJJ_jJ_ u I I I 11111111 i 1 1 J I I 1 1 f 0 cm i Figure A 2 B81306 MAIN Circuit Diagram A 3 Rev A ...

Страница 31: ...Appendix B61306 Service Manual A 3 CIRCUIT BOARD COMPONENT LAYOUT In l vII vu w 4 n m z I i l KJKI N 4 u CHl l 2 0 1 5 9 8 7 0 0 II E Figure A 3 B81306 MAIN Component Layout A 4 Rev A ...

Страница 32: ...B81306 SeMce Manual Appendix A 4 EXPLODED DIAGRAM m Figure A 4 Exploded Diagram 1 Rev A A 5 ...

Страница 33: ...Appendix B61306 Service Manual N 10 J t to f Y m N Z_ m t m o 7 i A t R A o II Figure A 5 Exploded Diagram 2 A 6 Rev A ...

Страница 34: ...MB S C R E W 816 I GUIDE DOCUMENT B I 817 I G U I D E D O C U M E N T A 818 MAT 819 CLAMP CABLE 821 COVER CR 822 PLATE SCAITER 823 I FRAME ASSY BASE I 824 I SLIDER CR 825 METAL FllTINGS SLIDER 826 COMBINATION GEAR 827 MOTOR 828 IAMP ASSY 829 I BOARD ASSY INVERTOR I 8 3 0 I CABLE CR 831 FOOT CR 832 ROLLER CARRIAGE 833 SHAFT ROLLER 834 DETECTOR LEAF B1 835 SENSOR HP B 836 DOUBLE SIDE TAPE 837 DOUBLE...

Страница 35: ...90 Cerdanyola de Vanes 20099 Sesto S Giovanni Ml Italy Barcelona Spain Phone 02 262331 Phone 582 15 00 Fax 02 2440750 Fax 582 15 55 EPSON AUSTRALIA PTY LTD EPSON SINGAPORE PTE LTD 1 70 Gibbes Street No 1 Raffles Place 26 00 Chatswood 2067 NSW Australia OUB Centre Singapore 0104 Phone 02 415 9000 Phone 5330477 Fax 02 417 0077 Fax 5338119 EPSON HONG KONG LTD EPSON ELECTRONICS TRADING LTD 20 F Harbou...

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