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EPSON Stylus PHOTO 875DC

Revision A

APPENDIX

Electrical Circuit Board Diagrams

7.4 Electrical Circuit Board Diagrams

See the following pages for the electrical circuit board diagrams below:

C364MAIN

C304MAIN (1)

C304MAIN (2)

C364PSB

C364PSE

Содержание 875DC - Stylus Photo Color Inkjet Printer

Страница 1: ...EPSONStylusPHOTO875DC Color ink jet printer SEIJ99015 SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL ...

Страница 2: ... the accuracy of the contents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for ident...

Страница 3: ...HIN THIS 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 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERI...

Страница 4: ...OPERATING PRINCIPLES Describes the theory of electrical and mechanical operations of the product CHAPTER 3 TROUBLESHOOTING Provides the step by step procedures for troubleshooting CHAPTER 4 DISASSEMBLY AND ASSEMBLY Describes the step by step procedures for disassembling and assembling the product CHAPTER 5 ADJUSTMENTS Provides Epson approved methods for adjustment CHAPTER 6 MAINTENANCE Provides pr...

Страница 5: ...EPSON Stylus PHOTO 875DC Revision A 5 Revision Status Revision Issued Date Description A March 01 2000 First Release ...

Страница 6: ...ntosh 16 Drive form 16 Card information acquisition 16 Disk information acquisition 16 Drive information acquisition 16 Correspondence language 16 Read Only mode function 17 Write to Disk mode function 17 Switching to Write to Disk mode 17 Media insertion removal 17 Media format 18 Icon 18 Correspondence file system 18 Display in the expansion manager 18 Outer Case Specifications 19 OPERATING PRIN...

Страница 7: ...the Service Program 40 USB ID Input 41 Memory Card Drive Firmware Uploading 43 Copying the firmware to the PCMCIA Card 43 Uploading the Memory Card Driver Firmware 43 Checking for the Memory Card Drive Firmware Version 44 MAINTENANCE Overview 46 APPENDIX Connector Summary 48 Circuit Board Component Layout 51 Exploded Diagrams 55 Electrical Circuit Board Diagrams 61 ...

Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...

Страница 9: ...ter part and Storage part be connection via the USB hub 4 High color print quality 5 High speed printing 6 Windows Macintosh exclusive 7 USB connection only high speed transfer Theoretical fastest transfer speed 1 2MB s Actual effect transfer speed Approx 440KB s Pentium 400MHz Windows98 Second Edition in the case that read data from the 48MB CF card Transfer speed depends on the environment of ho...

Страница 10: ... ensured by PC OEM Macintosh The following product that was installed MacOS ROM version J1 1 2 or later USB Service 1 1 or later is necessary iMac A B Color Model PowerMacintosh G3 Blue White NOTE Vacancy memory 1MB over necessary REFERENCES Universal Serial Bus Specification Revision 1 0 USB Mass Storage Class CBI Transport Specification v1 0 RC5 American National Standard for Information Systems...

Страница 11: ...ass B AS NZS3548 Class B CE marking Low voltage directive 73 23 EECEN60950 EMC Directive 89 336 EEC EN55022 Class B EN61000 3 2 EN61000 3 3 EN50082 1 IEC 801 2 801 3 801 4 1 2 3 Reliability Total print volume 25 000 pages A4 Letter Printhead life 3000 million dots nozzle 1 2 4 Environmental Condition TEMPERATURE Operating 10 to 35 C 3 Non operating 20 to 60 C 1 1 month at 40 C and 120 hours at 60 ...

Страница 12: ...0 50G 10 55Hz X Y Z directions with shipment contanier C A U T I O N When storing the printer make sure the printhead is capped When transporting the printer ensure the ink cartridges are installed in the printer and the printhead is capped If the printer power is off with the printhead left uncapped turn the printer on with the ink cartridges installed cap the printhead and turn the printer off I...

Страница 13: ...PIN ASSIGNMENT Figure 1 3 USB Pin Assignment DEVICE ID The printer sends the following device ID string when it is requested When IEEE1284 4 is enabled 00H 5EH MFG EPSON CMD ESCPL2 BDC D4 MDL Stylus SP Photo SP 875DC CLS PRINTER DES EPSON SP Stylus SP Photo SP 875DC When IEEE1284 4 is disabled 00H 5AH MFG EPSON CMD ESCPL2 BDC MDL Stylus SP Photo SP 875DC CLS PRINTER DES EPSON SP Stylus SP Photo SP...

Страница 14: ...river is canceled 4 Write data includes delete file format from the host Windows98 Macintosh NOTE In the case that four aforementioned conditions were included all the faulty occurs PHENOMENON Processing ends normally when it wrote data in the media with both WIndows98 and Macintosh However all the processing fail actually Also the blue screen is displayed in the case that it is worst CAUSE The ca...

Страница 15: ...tware of it Information acquisition uses USB Control Bulk transfer when API is called 1 4 2 3 Drive name acquisition The application software can acquire drive name assigned for the card read by using acquisition API Also if multiple cared readers exist on USB the application software can acquire each pair of serial number and drive name 1 4 2 4 Correspondence language It corresponds to seven coun...

Страница 16: ...r strings UNICODE maximum 12 characters 1 4 2 9 Correspondence file system The file system that corresponds is as follows 1 FAT VFAT 2 FAT32 1 4 3 Card Reader Driver Function Macintosh 1 4 3 1 Drive form The card reader is recognized to OS as the removable disk drive 1 4 3 2 Card information acquisition This function acquires the insertion condition of the PCMCIA card from the card reader and can ...

Страница 17: ...o effect at the time of the next media mounting The mode information is stored to the initial setting file EPSON PhotoStarter pref 1 4 3 9 Media insertion removal The icon and volume name untitled etc are displayed on the desktop when the PCMCIA media is inserted into the card reader In the case that the media is removed the disk should be un mounted without fail Drag the icon on the desktop in th...

Страница 18: ...on is displayed to the desktop when a media is mounted Note the exclusive icon is only displayed for HFS format media For DOS format media a Mac OS standard icon is used 1 4 3 12 Correspondence file system 1 FAT VFAT 2 HFS 3 HFS 32MB or more File Exchange is used 1 4 3 13 Display in the expansion manager If EPSON USBStorageClass1 is selected by the expansion manager the following character strings...

Страница 19: ...se Specifications 19 1 5 Outer Case Specifications DIMENSIONS Stacker open 483 mm W x 613 mm D x 302 mm H Stacker closed 483 mm W x 407 mm D x 302 mm H NOTE With a paper support installed WEIGHT Approximately 6 4 kg Figure 1 5 External Dimension 302 mm 613 mm 483 mm ...

Страница 20: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Страница 21: ...r Part The figure below summarizes the card reader part Figure 2 2 Block Diagram for the Card Part Printer Part Printer Part Card Reader Part Card Reader Part Panel Board C304MAIN USB I F CPU ASIC RAM etc USB HUB Panel Board Printer Mechanism C364MAIN C364MAIN PCMCIA Type II PCMCIA Type II C304MAIN Printer Mechanism Power Supply Board C364PSB PSE C364PSB PSE Power Supply Board USB PCMCIA ATA Print...

Страница 22: ...t port MIC2562A IC6 PCMCAI socket power controller 14 pin S O package MBM29LV40 0TC BC IC8 4Mbit flash ROM 48 pin TSOP Powered by 3 3V single power source Can be cleared by chip bulk or sector unit Program MSM51V426 5E 60 IC4 4Mbit DRAM with the 2CAS type page access function 44 pin TSOP Powered by the 3 3V single power source Various buffers Work area AT93C46 10S 2 7 IC10 1Kbit x16 EEPROM 8 pin S...

Страница 23: ... AC plug is disconnected from the AC socket while the printer power is on voltage for the logic line is kept for at least 256ms 2 1 3 USB Hub 2 1 3 1 Overview The USB hub of this printer features the following Complies with the Universal serial bus specifications Rev 1 0 Not powered from the Vbus Self powered hub Two ports are used as the down stream ports Other two are not used Stand alone type h...

Страница 24: ...24MHz DC motor control circuit H8S 2357 Head data driver circuit CR motor driver circuit Timer circuit RTC9810SA Head pulse driver circuit Sensors 8Mbit PROM R27V852D 16Mbit DRAM ASF motor driver circuit USB I F Parallel I F 2Kbit EEPROM 93C56 equivalent Reset Circuit RTC9810SA PF motor driver circuit Mini USB connector ASIC HG73C066FM CPU H8S 2328 24MHz Power supply circuit The card reader part i...

Страница 25: ...C H A P T E R 3 TROUBLESHOOTING ...

Страница 26: ...EPSON Stylus PHOTO 875DC Revision A TROUBLESHOOTING Overview 26 3 1 Overview Please see the EPSON Stylus PHOTO 870 1270 Service Manual ...

Страница 27: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Страница 28: ...protective goggles to protect your eyes from ink If ink gets in your eye flush the eye with fresh water and see a doctor immediately If ink comes into contact with your skin wash it off with soap and water If irritation occurs contact a physician A lithium battery is installed on the main board of this printer Be sure to observe the following instructions when serving the battery 1 Keep the batter...

Страница 29: ...ecommended tools for disassembling assembling or adjusting the printer Apply lubricants and adhesives as specified See Chapter 6 for details Make the specified adjustments when you disassemble the printer See Chapter 4 for details Once the ink cartridge mounted on the printer is removed air comes into and creates bubbles in the cartridge These bubbles clog ink flow and eventually cause printing ma...

Страница 30: ...sembly make sure that the specified types of screws are used at proper locations referring to the table below Table 4 2 Screw Specifications Body Name Size Bind S tite CBS M3x6 Bind P tite CBP M3x6 Bind P tite CBP M3x8 Bind P tite CBP M2 5x5 Pan head C P M3x6 Pan head B tite Sems M3X8 Bind S tight Sems CBS Sems M3x6 Bind S tight CBS M3x10 Pan head B tite Sems 1 7 x 5 ...

Страница 31: ...eating Checked Not necessary Paper feeding mechanism Is paper fed smoothly Checked Not necessary Does paper get jammed Checked Not necessary Does paper get skew during paper feeding Checked Not necessary Are papers multi fed Checked Not necessary Does the PF motor get overheated Checked Not necessary Abnormal noise during paper feeding Checked Not necessary Is the paper path clear of all obstructi...

Страница 32: ...MBLY Disassembly Procedures 32 4 2 Disassembly Procedures The flowchart below shows procedures for disassembly Figure 4 1 Disassembly Flowchart HOUSING Removal PC Card Reader Board Removal Printer Part Disassembly Uploading the PC Card Reader Firmware START ...

Страница 33: ... SUPPORT PG COVER from HOUSING Figure 4 2 HOUSING SUPPORT PG COVER Removal 3 Remove the four screws CBS 3x10 securing HOUSING Then pushing the PG lever inward remove HOUSING by moving it upward Figure 4 3 HOUSING Removal C H E C K P O I N T To remove HOUSING push it to the rear up and then lift it up When installing HOSING make sure the PG adjust lever is set to When installing HOUSING ensure the ...

Страница 34: ...ve the three screws CBS 3x6 securing HOUSING SUPPORT PC CARD 3 Remove HOUSING SUPPORT PC CARD toward the front Figure 4 5 HOUSING SUPPORT PC CARD Removal C A U T I O N Since LENS PC CARD easily comes off watch out for it when disassembling assembling HOUSING SUPPORT PC CARD Figure 4 4 Lens PC CARD dis06 LENS PC CARD dis05 CBS 3x6 HOUSING SUPPORT PC CARD CBS 3x6 ...

Страница 35: ...emove SHIELD PLATE P B TOP Figure 4 6 HOUSING SUPPORT PC CARD Removal 6 Disconnect the harnesses for USB and C364PSB PSE from the connectors on the C364MAIN Board 7 Remove the C364MAIN Board Figure 4 7 C364MAIN Board Removal dis07 CONTACT PLATE P B CBS 3x6 SHIELD PLATE P B TOP SHIELD PLATE P B TOP CP 3x6 dis08 C364MAIN Board CBS 3x6 CBS 3x6 Harness C364PSB PSE Harness USB ...

Страница 36: ... USB and C364PSB PSE from the locking wire saddle attached to the C364MAIN Board Figure 4 8 C364MAIN Board Removal 1 4 Remove the four screws CBS 3x6 securing the C364MAIN Board Unit See Figure 4 8 and Figure 4 9 Figure 4 9 C364MAIN Board Removal 2 5 Remove the two screws CBS 3x6 securing the panel unit to the C364MAIN Board 6 Release the two dowels fixing the C364MAIN Unit to the printer part and...

Страница 37: ...C H A P T E R 5 ADJUSTMENT ...

Страница 38: ...below lists the tools necessary for adjustments Table 5 1 Adjustment Item No Adjustment When to perform 1 USB ID input When you replace either or both of the C364MAIN and C304MAIN Boards Table 5 2 Type of Repair and Corresponding Adjustments No Type of repair Required adjustments 1 C364MAIN Board replacement or C304MAIN Board replacement 1 Head voltage ID input 2 Bi Directional adjustment 3 USB ID...

Страница 39: ...e printer port Install the program in the order listed below 1 Insert Disk1 to the 3 5 floppy disk drive of your computer and then execute Setup exe 2 As you prompted insert Disk2 and the installation is done 3 Click SP87510E exe icon created in the Adjustment Program folder to execute the program No Main Items Adjustment items 1 Adjustment Head voltage ID input Head angular adjsutment Bi Directio...

Страница 40: ...rs Figure 5 2 Main Menu C A U T I O N Make sure any ports other than selected for this program are not used for other Stylus PHOTO 875DCs Be careful not to connect four or more printers to the printer ports at a time The fourth or later printers ports device EPUSB4 or later can not be adjusted by this service program Once a printer is recognized as the fourth or later printer it will not be adjust...

Страница 41: ... by using the service program 1 Start the service program and access the main menu 2 Select USB ID input check and click OK The USB ID input check screen appears Figure 5 3 USB ID Input Check Window 3 Select Input USB ID and click OK The USB ID input window appears Figure 5 4 USB ID Input Window 1 C A U T I O N Input USB ID under any of the following circumstances When you replace either control b...

Страница 42: ...lick OK The new USB ID is indicated in the bottom window 7 Quit the service program 8 Turn the printer power off 9 Turn the printer power back on 10 Start the service program again 11 Select Check USB ID in the USB ID Input Check window and click OK Both USB IDs are displayed in the bottom window Figure 5 6 USB ID Input Window 3 12 Select Confirmation of USB port function and click OK and the conf...

Страница 43: ...er copy the firmware to the removable disk 5 Turn the PC off and remove the card 5 2 3 2 Uploading the Memory Card Driver Firmware Tools PC that operates on Windows98 or the one that supports USB interface Compact flash CF and PCMCIA card adopter or PCMCIA memory card 1 Remove the Housing See Chapter 4 Section 4 2 1 2 Remove the Shield Plate P B Upper for the card reader See Chapter 4 Section 4 2 ...

Страница 44: ...ation is executed turn the printer power off 8 Set the jumper JP2 as shown below 1 2 Open 3 4 Short 9 Mount the Shield Plate P B Upper on the card reader 10 Install the Housing 5 2 3 3 Checking for the Memory Card Drive Firmware Version Use this function to check for the memory card drive firmware version 1 Start the service program and access the main menu window 2 Select Firmware Checksum The Me...

Страница 45: ...C H A P T E R 6 MAINTENANCE ...

Страница 46: ...Stylus PHOTO 875DC Revision A MAINTENANCE Overview 46 6 1 Overview Since the printer part of the Stylus PHOTO 875DC is common to the Stylus PHOTO 870 please see the EPSON Stylus PHOTO 870 1270 Service manual ...

Страница 47: ...C H A P T E R 7 APPENDIX ...

Страница 48: ...Card Reader Part PC Card Reader Part C364MAIN C364MAIN PCMCIA Type II PCMCIA Type II CN2 Printer Part Printer Part CN2 CN3 CN1 Power Supply Board Power Supply Board CN3 CN6 Printer Mechanism Panel Board C304PNL Panel Board C304PNL C304MAIN C304MAIN Table 7 1 Connectors Connector Function Table to refer to C364MAIN CN1 USB upstream CN2 USB downstream CN3 PCMCIA CN6 Power input from C364PSB PSE C364...

Страница 49: ... CD6 6 CD7 64 CD8 65 CD9 66 CD10 37 CD11 38 CD12 39 CD13 40 CD14 41 CD15 29 CA0 28 CA1 27 CA2 26 CA3 25 CA4 24 CA5 PCMCIA slot data bus 23 CA6 22 CA7 12 CA8 11 CA9 8 CA10 10 CA11 21 CA12 13 CA13 14 CA14 20 CA15 19 CA16 46 CA17 47 CA18 48 CA19 49 CA20 50 CA21 53 CA22 54 CA23 55 CA24 56 CA25 61 REG Resistor select 7 CE1 Card enable 42 CE2 Card enable 9 OE Output enable Table 7 4 CN3 Pin Assignment c...

Страница 50: ...age detection Audio digital waveform 63 BVD1 STSCHK Battery voltage detection Card status change 60 INPACK Input port replay 33 WP IOIS16B Write protect I O port is 16bit 43 VS1 Voltage sense 57 VS2 Voltage sense 36 CD1 Card detection 67 CD2 Card detection Table 7 5 CN Pin Assignment 1 2 5V 5V power source 3 4 GND Ground 5 6 3 3V 3 3V power supply 7 8 GND Ground Table 7 4 CN3 Pin Assignment contin...

Страница 51: ...N Stylus PHOTO 875DC Revision A APPENDIX Circuit Board Component Layout 51 7 2 Circuit Board Component Layout C364MAIN CONTROL CIRCUIT BOARD Figure 7 2 Component Layout C364MAIN Component Side Soldered Side ...

Страница 52: ...EPSON Stylus PHOTO 875DC Revision A APPENDIX Circuit Board Component Layout 52 C304MAIN CONTROL CIRCUIT BOARD Figure 7 3 Component Layout C304MAIN Component Side Soldered Side ...

Страница 53: ...EPSON Stylus PHOTO 875DC Revision A APPENDIX Circuit Board Component Layout 53 C364PSB PSE CIRCUIT BOARD Figure 7 4 Component Layout C364PSB Figure 7 5 Component Layout C364PSE ...

Страница 54: ...EPSON Stylus PHOTO 875DC Revision A APPENDIX Circuit Board Component Layout 54 C304PNL CIRCUIT BOARD Figure 7 6 Component Layout C304PNL ...

Страница 55: ...SON Stylus PHOTO 875DC Exploded Diagram No 1 Rev 01 10162 A 115 181 124 185 122 122 122 124 122 116 122 102 124 100 186 125 125 105 125 450 104 124 130 136 134 135 122 752 766 122 400 753 103 774 133 132 106 751 500 125 122 117 122 774 754 125 122 122 101 138 137 139 125 110 182 188 126 775 ...

Страница 56: ...75DC Revision A APPENDIX Exploded Diagrams 56 122 122 122 122 P M Q P Q C 332 141 146 148 144 144 144 145 144 122 122 122 250 140 143 122 122 142 122 122 149 336 EPSON Stylus PHOTO 875DC Exploded Diagram No 2 Rev 01 10162 ...

Страница 57: ...607 C K 606 M L K L 603 594 524 591 604 587 613 534 574 532 122 501 119 506 113 122 587 512 587 587 505 114 108 108 614 119 587 587 122 122 122 122 200 111 122 109 122 131 122 122 122 112 580 122 122 330 608 122 300 122 147 331 EPSON Stylus PHOTO 875DC Exploded Diagram No 3 Rev 01 10162 ...

Страница 58: ... 589 748 507 514 551 549 552 553 501 587 757 756 758 605 609 548 550 550 550 550 549 550 549 550 550 550 549 550 549 550 550 549 550 551 548 551 548 551 548 551 548 551 548 545x5 547 557 555 554 N 558 587 612 587 587 704 770 759 762 761 760 761 762 644 700 564 604 562 561 703 701 615 563 560 702 EPSON Stylus PHOTO 875DC Exploded Diagram No 4 Rev 01 10162 ...

Страница 59: ... 542 544 542 539 531 530 119 599 616 624 621 587 618 519 587 556 531 508 576 509 626 612 620 533 516 623 622 579 582 520 619 627 592 619 504 586 610 535 515 522 537 510 502 544 542 544 542 544 542 544 542 544 542 544 542 544 542 544 542 544 542 544 542 531 639 637 641 642 587 587 587 587 625 578 628 628 765 593 585 610 511 587 EPSON Stylus PHOTO 875DC Exploded Diagram No 5 Rev 01 10162 ...

Страница 60: ...8 710 736 737 739 707 711 713 712 737 755 764 709 739 736 740 716 721 719 723 720 722 725 724 735 735 720 724 730 726 723 729 721 728 731 733 745 746 734 732 746 745 727 717 718 718 780 581 763 715 748 747 without 715 747 748 EPSON Stylus PHOTO 875DC Exploded Diagram No 6 Rev 01 10162 ...

Страница 61: ... 875DC Revision A APPENDIX Electrical Circuit Board Diagrams 61 7 4 Electrical Circuit Board Diagrams See the following pages for the electrical circuit board diagrams below C364MAIN C304MAIN 1 C304MAIN 2 C364PSB C364PSE ...

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