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The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
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2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
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PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of Perfection1200U/S and Perfection 1200 PHOTO. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. The chapters are organized as follows: CHAPTER 1.
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Revision Status Revision Issued Date Description July 8, 1999 First Release Chapter 5 has been modified, and parts lists and exploded diagrams September 2, 1999 added to Appendix.
EPSON Perfection1200 Revision B Table of Contents Product Description Carriage Lock Release................34 Document Cover Removal ..............35 Features ......................9 Upper Cover Removal................36 Inverter Lamp/Inverter Board Removal ........... 37 Product Description ..................10 Carriage Unit Removal ................39 Interface Specification ..................
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EPSON Perfection1200 Revision B General Description................. 75 Specification .................... 75 Interface ....................77 ADF: Disassembly ..................78 B81314 Main Board Removal ..............78 ASF Part....................79 Disassembling the ASF and Frame............84 Disassembly of ASF ................86 Parts List of ADF ..................87...
EPSON Perfection1200 Revision B 1.1 Features EPSON Perfection 1200 consists of three models: 1200S (SCSI), 1200U (USB), and 1200PHOTO (USB). Major features are as follows. Perfection 1200PHOTO has the TPU (transparency unit) as standard unit. MAJOR FEATURES High quality: Resolution:...
EPSON Perfection1200 Revision B 1.3 Interface Specification PHYSICAL DIMENSIONS AND WEIGHT Dimensions: 287(W) x 427(D) x 90(H) mm 1.3.1 SCSI Interface Weight: Approx. 4.5 Kg Basic specifications Any items not included in this specification shall be in compliance with ANSI X 3T9.2/375R Revision 10L (SCSI 2) Function The following functions are available, which are included in ANSI X3T9.2/...
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EPSON Perfection1200 Revision B Connector: Two 50-pin connectors Terminator: Internal terminator Table 1-2. SCSI Connector Pin Assignment Enable to control “active” or “inactive” by a switch. Signal Pin No. Specification (SW=ON ----terminator available) ∼ SCSI ID: The SCSI ID is set with a rotary switch on the rear panel.
EPSON Perfection1200 Revision B 1.4 Control Code Table 1-6. Control Codes The command level is ESC/I-B7 and supported commands are shown below. Category Command Name Code Table 1-5. Control Codes Set Digital Halftoning ESC B i Category Command Name Code...
EPSON Perfection1200 Revision B 1.5 Exterior Function 1.5.2 Indicators Indicator display 1.5.1 Switch Specification OPERATE (Green LED) OPERATE switch is ON and power is ON. OPERATE Switch READY (Green LED) Turns the scanner ON/OFF *This lamp becomes ON when the command or receiving/sending the Pressing this switch at power ON initializes the scanner data is available.
EPSON Perfection1200 Revision B 1.6 Process when an error happens Remedy: Turn the scanner off and then back on. Send ESC@ code to the scanner. RESET signal in SCSI turns active. Complete BUS DEVICE RESET message in SCSI. Command error...
EPSON Perfection 1200 Revision B 2.1 Engine Mechanism CCD Sensor Board: This board has Color CCD line sensor (independent R,G,B), and controls it and drives circuit. This section explains the engine function and operating principles. Engine can be divided into Carriage Unit and Carriage Move Mechanism.
EPSON Perfection 1200 Revision B 2.1.2 Carriage Move Mechanism Carriage Unit slides into sub-scan direction along with the guide rail. For this sliding operation, the carriage motor drives the timing belt attached to the Scanning image is performed in the main scan direction (=1 line) by the CCD...
EPSON Perfection 1200 Revision B 2.2 Power Supply Circuit Power supply circuit in this scanner generates direct current DC power necessary for driving the controller board and scanner engine. Table below shows each power supply circuit for different destinations. Table 2-1. Power Supply Circuit Board for Destination Specification Unit Part No.
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EPSON Perfection 1200 Revision B Figure 2-5. Power Supply Circuit Block Diagram Operating Principles Power Supply Circuit...
EPSON Perfection 1200 Revision B 2.3 Control Circuit Table 2-3. Major ICs There are 2 types of control circuit boards due to the interface specification. Location Function SCSI Model: B104 Main Board USB Model: B104 Main-B Board M37920 IC10 24-bit Address Bus 16-bit Data Bus The difference is the only interface part with host.
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EPSON Perfection 1200 Revision B Figure 2-6. Control Circuit Block Diagram (SCSI) Operating Principles Control Circuit...
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EPSON Perfection 1200 Revision B Table 2-4. Control Circuit Block Diagram (USB) Operating Principles Control Circuit...
EPSON Perfection1200 Revision B 3.1 Overview Table 3-1. Self-Diagnostic Indication LED Light Error Type (Cause, Remedy) This chapter explains the troubleshooting of this scanner. Green Command Error • Cause: Unidentified command is detected. • Disposition: The scanner ignores the wrong command or 3.2 Self-Diagnostic Function...
EPSON Perfection1200 Revision B 3.3 Troubleshooting Table 3-3. Panel LED does not turn On. Cause Step Checkpoint Finding Solution This section describes troubleshooting from the abnormal phenomenon. You Connector CN1 on Is the connector Connect CN1 can isolate the faulty unit based on the abnormal phenomenon. See the table...
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EPSON Perfection1200 Revision B NOTE: *1: This connector number is for SCSI. The connector number for Table 3-5. Carriage Unit does not operate USB is CN3. Cause Step Checkpoint Finding Solution Power With the scanner power on, Replace the power Table 3-6.
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EPSON Perfection1200 Revision B Table 3-10. USB Interface Error Cause Step Checkpoint Finding Solution Table 3-8. Scanned image is unclear Host and O/S On the Windows, Replace the host. Cause Step Checkpoint Finding Solution (Windows95/98) go to “My → Mirror in the carriage...
EPSON Perfection1200 Revision B 4.1 Overview 4.1.2 Tools Tools used for servicing are as listed in the table below. This chapter describes for disassembling Perfection 1200 and precaution to take during transportation. Table 4-1. Tools Description Availability SE Part No.
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EPSON Perfection1200 Revision B Table 4-3. Screws Head Shape Type Washer Hole Appearance Cross-recessed Binding Standard With Outside toothed lock ------ washers S-Tite B-Tite With Spring lock washers P-Tite Disassembly and Assembly Overview...
EPSON Perfection1200 Revision B 4.2 Disassembly Procedures SCSI is used as an model for the disassembly procedures here. The different procedures for USB is only the main board removal. 4.2.1 Carriage Lock Release 1. Release the carriage lock located at left side of the scanner body by using (-) screw driver.
EPSON Perfection1200 Revision B 4.2.2 Document Cover Removal 1. Open the document cover vertically and pull it out upward. Document Cover Hooks Figure 4-3. Document Cover Removal Disassembly and Assembly Disassembly Procedures...
EPSON Perfection1200 Revision B 4.2.3 Upper Cover Removal 3 Hooks at 1. Release the carriage lock. (see Section 4.2.1) front side 2. Remove the document cover. (see Section 4.2.2) 3. Release two silver screws (CBS, M3x6) from the back of the scanner.
EPSON Perfection1200 Revision B 4.2.4 Inverter Lamp/Inverter Board Removal 1. Release the carriage lock. (see Section 4.2.1) CCP (M3x8) 2. Remove the document cover. (see Section 4.2.2) 3. Remove the upper cover. (see Section 4.2.3) 4. Remove 2 black screws (CCP, M3x8) on the carriage unit.
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EPSON Perfection1200 Revision B 6. Remove the inverter lamp connector from the inverter board. Inverter Board Connector 7. Remove one black screw and a connector (2-pin) for CCD sensor board, then remove the inverter board. 8. Remove the inverter lamp from the upper cover.
EPSON Perfection1200 Revision B 4.2.5 Carriage Unit Removal 1. Release the carriage lock. (See Section 4.2.1) 2. Remove the document cover. (See Section 4.2.2) 3. Remove the upper cover. (See Section 4.2.3) 4. Remove the metal clamp securing the carriage and the timing belt by using the (-) screw driver.
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EPSON Perfection1200 Revision B 5. Remove the hexagon nut located back of the carriage guide shaft. 6. Remove one gold screw (CBS, M3x4) and a spring securing the carriage driven pulley. CBS(M3x4) Figure 4-13. Driven Pulley Assembly Removal (1) Hexagon Nut Figure 4-12.
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EPSON Perfection1200 Revision B 7. Remove the timing belt from the carriage driven pulley. 8. Remove the driven pulley assembly from the frame toward the arrowed direction. 9. Remove the carriage guide shaft from the carriage unit. Driven Pulley Figure 4-16. Driven Pulley Assembly Removal...
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EPSON Perfection1200 Revision B 10. From the back of the carriage unit, remove FFC metal clamp by using (-) driver. Carriage Unit FFC metal clamp FFC tab Connector Figure 4-18. FFC Metal Clamp/FFC Removal Disassembly and Assembly Disassembly Procedures...
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EPSON Perfection1200 Revision B 11. Remove FFC (white) from the carriage unit by releasing a connector and 2 guide tabs, and also remove the carriage unit. Figure 4-19. Carriage Unit Disassembly and Assembly Disassembly Procedures...
EPSON Perfection1200 Revision B 4.2.6 Carriage Motor/Timing Belt Removal 1. Release the carriage lock. (See section 4.2.1) 2. Remove the document cover. (See section 4.2.2) 3. Remove the upper cover. (See section 4.2.3) 4. Remove the carriage unit. (See section 4.2.5)
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EPSON Perfection1200 Revision B 8. Remove the timing belt from the CR motor unit. 1. Remove “E”-ring. 2. Remove transmission gear. 3. Remove the timing belt from the drive pulley. Timing Belt E-ring Transmission Gear Figure 4-23. Timing Belt Removal...
EPSON Perfection1200 Revision B 4.2.7 Main Board Removal Carriage Unit Since the disassembly procedures for SCSI and USB are not the same, section 4.2.7.1 shows the procedures for SCSI and section 4.2.7.2 for USB. 4.2.7.1 SCSI 1. Release the carriage lock. (See Section 4.2.1) (M3x4) 2.
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EPSON Perfection1200 Revision B 5. Remove 4 screws (CP, M2.5x6) located around the I/F connector behind Carriage FFC Power Supply Unit the scanner body and one screw(CP, M3x5). Connector Connector 6. Remove each cable from CR motor connector (CN5), carriage FFC connector (CN4) and power supply unit connector (CN6).
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EPSON Perfection1200 Revision B 4.2.7.2 USB 1. Release the carriage lock. (See Section 4.2.1) Carriage Unit 2. Remove the document cover. (See Section 4.2.2) 3. Remove the upper cover. (See Section 4.2.3) 4. After removing 2 gold screws (CBS,3x6), 3 gold screws (CBS, M3x4) and 2 rear hooks, remove the shield cover.
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EPSON Perfection1200 Revision B 5. Remove 2 screws (CP, M3x5) around the I/F connector located back of the scanner. Power supply Carriage FFC unit connector Connector 6. Remove one gold screw (CBS, M3x4), and remove each cable from the CR motor connector (CN5), carriage FFC connector (CN4) and power supply unit connector (CN3).
EPSON Perfection1200 Revision B 4.2.8 Panel Board Removal 1. Release the carriage lock. (See Section 4.2.1) 2. Remove the document cover. (See Section 4.2.2) 3. Remove the upper cover. (See Section 4.2.3) 4. Remove one gold screw (CBS, M3x6), and the shield cover for the panel board.
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EPSON Perfection1200 Revision B 6. Remove one gold screw (CBS, M3x4), then remove the panel board. CBS (M3x4) Figure 4-35. Panel Board Removal (3) Figure 4-36. Panel Board Disassembly and Assembly Disassembly Procedures...
EPSON Perfection1200 Revision B 4.2.9 Power Supply Board Removal 1. Release the carriage lock. (See Section 4.2.1) 2. Remove the document cover. (See Section 4.2.2) Connector 3. Remove the upper cover. (See Section 4.2.3) AC Cable In the next steps, move the carriage back and forth slowly by hand, according to your necessity.
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EPSON Perfection1200 Revision B 6. Remove 2 gold screws (CBS, 3x4) securing the shield board of the power supply board, and remove the shield board toward inside of the body. CBS (M3x4) 7. Disconnect the connector (lock type; push and release) and remove 5 gold Connector screws (CBS, 3x4) and power supply board from the shield board.
EPSON Perfection1200 Revision B 5.1 Firmware Update 2. Confirm the installation folder and click OK , and the program will be automatically installed. Firmware update is required after replacing the Main Board. The following 5.1.3 Updating Method items are necessary for the update: Update Program Disk (P10B01W) 1.
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EPSON Perfection1200 Revision B 5. Confirm the ROM version of the Target Scanner and a file name for the 6. The progress bar indicates the ongoing writing process, while a message Firmware Data, and click Next or press Enter .
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EPSON Perfection1200 Revision B 7. ROM versions before and after the firmware update are displayed in the following screen. If you wish to update the firmware of another scanner, connect the new scanner and click Next or press Enter . The screen will return to its initial state, and all you have to do is follow the same steps as you did before.
Following tables show the recommended grease type and lubrication points. G-26 Table 6-1. Recommended Grease Supply Type Name Quantity Part No. Specification Grease G-26 B702600001 Figure 6-1. Lubrication Points NOTE: “E” means exclusive product for EPSON. (Not available on the market) Maintenance Overview...
EPSON Perfection1200 Revision B 7.1 Overview This section provides useful information for servicing this scanner. 7.1.1 Interconnection Following figures show interconnection of the scanner. Lam p Lam p C N 2 C N 1 C N 2 C N 1...
EPSON Perfection1200 Revision B 7.1.3 Connector Pin No. Signal SNCK1&CSL1 Table 7-3. Main Board CN1 Pin No. Signal Table 7-5. Main Board (CN5) 2, 5 Pin No. Signal Table 7-6. Main Board (CN6) Table 7-4. Main Board CN4 Pin No.
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EPSON Perfection1200 Revision B Table 7-8. Power Supply Board CN102 Pin No. Signal OP-LED ERR-LED Push-SW PW-SW Table 7-9. CCD Board CN2 Pin No. Signal Table 7-10. Inverter Board CN2 Pin No. Signal LAMP LAMP Appendix Overview...
EPSON Perfection1200 Revision B 7.2 Parts List & Exploded Diagram Table 7-11. Parts List (continued) Diagram Number Parts Name 7.2.1 SCSI Model PULLEY, DRIVEN LOGO PLATE; C Table 7-11. Parts List EXTENSION SPRING, 18.4 Diagram Number Parts Name FOOT FRAME, BASE BUSHING, HOUSING HOUSING ASSY., UPPER;...
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EPSON Perfection1200 Revision B Table 7-11. Parts List (continued) Diagram Number Parts Name CARRIAGE ASSY. CARRIAGE GUIDE SHAFT HOLDER BOARD ASSY., INVERTER LAMP ASSY. COVER, CR CLAMP, FERRITE CORE FERRITE CORE DOUBLESIDE TAPE, 22*10 C.C.P-TITE, 3X8, F/ZB HARNESS HARNESS LABEL, CARRIAGE LOCK...
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EPSON Perfection1200 Revision B Figure 7-3. Exploded Diagram - SCSI Model No. 1 Appendix Parts List & Exploded Diagram...
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EPSON Perfection1200 Revision B Figure 7-4. Exploded Diagram - SCSI Model No. 2 Appendix Parts List & Exploded Diagram...
EPSON Perfection1200 Revision B 7.2.2 USB Model Table 7-12. Parts List (continued) Diagram Number Parts Name Table 7-12. Parts List EXTENSION SPRING, 18.4 Diagram Number Parts Name FOOT FRAME, BASE; B BUSHING, HOUSING HOUSING ASSY., UPPER; ASP SHEET, COVER, 25...
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EPSON Perfection1200 Revision B Table 7-12. Parts List (continued) Diagram Number Parts Name BOARD ASSY., INVERTER LAMP ASSY. COVER, CR CLAMP, FERRITE CORE FERRITE CORE DOUBLESIDE TAPE, 22*10 C.C.P-TITE, 3X8, F/ZB HARNESS HARNESS LABEL, CARRIAGE LOCK SUPPORT, P-SW SUPPORT, F-SW...
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EPSON Perfection1200 Revision B Figure 7-5. Exploded Diagram - USB Model No. 1 Appendix Parts List & Exploded Diagram...
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EPSON Perfection1200 Revision B Figure 7-6. Exploded Diagram - USB Model No. 2 Appendix Parts List & Exploded Diagram...
EPSON Perfection1200 Revision B 7.3 TPU; Parts List Table below shows the parts list of TPU (Transparency Unit). Table 7-13. TPU Parts List Number Parts Name Housing Assembly, Upper Back Light Assembly Cover, Illumination Housing, Lower Housing, Base Housing, Fasten, R...
EPSON Perfection1200 Revision B 7.5 Optional Part; ADF 7.5.2 Specification 7.5.2.1 General Specification 7.5.1 General Description Product type: Sheet through Features Paper supply: Face up load Compact and Light weight (319(W) x 451(D) x 137(H) mm), Approx. Paper out: Face down eject 2.2Kg...
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EPSON Perfection1200 Revision B 7.5.2.3 Document 7.5.2.7 Operating Conditions Applied color: Color and Monochrome Dust: Ordinary office or home conditions, Extreme dust should be avoided. Paper quality: High quality paper, Bond paper, Check paper, (Recycled paper) Illumination: Operation under direct sunlight or near strong...
EPSON Perfection1200 Revision B 7.6 ADF: Disassembly Here explains disassembly procedures of ADF. Unless otherwise specified, disassembled units or parts can be reassembled by reversing the disassembly procedure. 7.6.1 B81314 Main Board Removal 1. Remove the tray. 2. Flip over the ADF so that you can see the bottom of the ADF. Remove 2 screws (silver, P-tite, M3x6) securing the cover of the bottom of the main board.
EPSON Perfection1200 Revision B 7.6.2 ASF Part 1. Remove 4 cables from the B81314 Main Board. 2. Open the cover and remove a guide bar. Also, disengage right and left connections of the interior paper guide and remove the cover from Open the case shaft.
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EPSON Perfection1200 Revision B 7.6.2.1 Disassembly of ASF Part 2. Remove 4 screws (gold, P-tite + washer), and remove Motor/ Solenoid Assembly. 1. In order to remove the cover, remove 2 screws (black, CB + washer) located on the right and left edges of the front cover. Flip over and remove Since one of the screws** is used as a stopper at the 2 screws (gold, P-tite+ washer) from the bottom, then remove the cover.
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EPSON Perfection1200 Revision B 7.6.2.2 Gear Frame 1. Release the lock of 2 shaft supports (white plastic parts) and remove 2 screws. 3 screws Release the lock of shaft support (white) One screw See “Note” on previous page Remove 2 screws Figure 7-19.
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EPSON Perfection1200 Revision B 3. Insert (-) driver into the gap shown in the figure below, and remove the white standard board by pushing it to the arrowed direction. Removed white standard Slide the white standard board to this direction strongly and release the hook.
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EPSON Perfection1200 Revision B 5. Remove one metal part and 3 screws. (When you remove one of the screws, push the release lever to the arrowed direction. Remove 2 Remove this screws screw after moving this lever Remove this Remove3 metal part.
EPSON Perfection1200 Revision B 7.6.3 Disassembling the ASF and Frame Move the paper 1. Remove 1 screw (1 silver, P-tite with washer). If 2 screws (2 gold, P-tite edge guide with washer) shown in the figure7-21 have not been removed yet, remove them.
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EPSON Perfection1200 Revision B 3. Remove the actuator and PE board assembly. Figure 7-30. Removing Actuator and PE Board Assembly (1) PE Board Assembly Actuator Figure 7-31. Removing Actuator and PE Board Assembly (2) Appendix ADF: Disassembly...
EPSON Perfection1200 Revision B 7.6.4 Disassembly of ASF Since the procedure of ASF disassembly for Perfection 1200 are same as those of Stylus Color 400, Stylus Color 600 and Stylus Photo, refer to one of those service manuals. Figure 7-32. ASF Assembly...
EPSON Perfection1200 Revision B 7.7 Parts List of ADF Table 7-16. ADF Parts List Number Name 1-28 Cover, Top 1-29 Harness, ASF Table 7-15. ADF Parts List 1-30 Clamp, Cable 3 Number Name 1-31 Harness 1-01 1-32 +, Bind P Tite, Sems W 1, 3x8, F/Zn...
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EPSON Perfection1200 Revision B Table 7-18. ADF Parts List Number Name Table 7-17. ADF Parts List 4-03 Shaft Release Number Name 4-04 Anti Static Brush 3-01 Frame, Gear 4-05 Paper Guide, Main 3-02 Frame, Motor 4-06 Housing 3-03 Motor Assembly, ADF...
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EPSON Perfection1200 Revision B Table 7-19. ADF Parts List Number Name 5-08 Compression Spring, 1.66 5-09 Holder, Sheet, Paper Feed 5-10 Sheet, PF 5-11 Bush, Fasten, Shaft, Left 5-12 Lever Hopper Release 5-13 Wheel, Sensor Appendix Parts List of ADF...