Epson 3880 - Stylus Pro Color Inkjet Printer- Manuals

Notice: All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. The contents of this ma...

Page 3 - PRECAUTIONS; DANGER; ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK.; WARNING; REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.

PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1) Personal injury and 2) Damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by D...

Page 4 - About This Manual; Manual Configuration; This manual consists of six chapters and Appendix.; CHAPTER 1.PRODUCT DESCRIPTIONS; Provides a general overview and specifications of the product.; CHAPTER 2.OPERATING PRINCIPLES; Describes the step-by-step procedures for the troubleshooting.; CHAPTER 6.MAINTENANCE; Symbols Used in this Manual; of the components in question may be adversely affected.

About This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precaut...

Page 5 - Revision Status; Revision

Revision Status Revision Date of Issue Description A November 30, 2006 First release

Page 6 - Revision A; Contents; Chapter 1 PRODUCT DESCRIPTION

EPSON Stylus Pro 3800/3800C/3850 Revision A 6 Contents Chapter 1 PRODUCT DESCRIPTION 1.1 Product Description ............................................................................................ 10 1.2 Basic Specifications .........................................................................

Page 7 - Chapter 4 DISASSEMBLY & ASSEMBLY

EPSON Stylus Pro 3800/3800C/3850 Revision A 7 Chapter 4 DISASSEMBLY & ASSEMBLY 4.1 Overview ............................................................................................................ 86 4.1.1 Precautions .............................................................................

Page 8 - Chapter 7 APPENDIX

EPSON Stylus Pro 3800/3800C/3850 Revision A 8 Chapter 7 APPENDIX 7.1 Connectors ........................................................................................................ 263 7.2 Cables Connection Layout ............................................................................... 26...

Page 9 - C H A P T E R; PRODUCT DESCRIPTION

Page 10 - Product Description; Rear manual feeder: FA paper

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Product Description 10 1.1 Product Description EPSON Stylus Pro 3800/3800C/3850 are large size color inkjet printers that support up to A2 (17”) sized cut-sheet paper. F-Mach (180N x 8-column) print head Maximum print resolution (dp...

Page 11 - Basic Specifications

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Basic Specifications 11 1.2 Basic Specifications 1.2.1 Basic Specifications Note * : The all 9 ink cartridges can be installed simultaneously. The printer automatically switches between Photo and Matte black depending on the driver sele...

Page 12 - Item

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Basic Specifications 12 1.2.2 Electric Specifications Note * : Shifting to low-power mode takes 15 min. 1.2.3 Environmental Characteristics TEMPERATURE/HUMIDITY Note "*1" : Includes condition during transportation. "*2" ...

Page 13 - RESISTANCE TO VIBRATION/SHOCK; Vibration; C A U T I O N

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Basic Specifications 13 RESISTANCE TO VIBRATION/SHOCK 1.2.4 Reliability/Durability Note "*1" : A4-sized paper, ECMA Pattern printing "*2" : Approx. 5% coverage "*3" : Total print time of 850 hours in normal ambie...

Page 14 - Printing Specifications

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Printing Specifications 14 1.3 Printing Specifications 1.3.1 Paper Feed Specifications 1.3.2 Paper Feeder Specifications EPSON Stylus Pro 3800/3800C/3850 support three types of paper feeding methods; ASF, Rear Manual Feed, and Front Man...

Page 15 - Borderless

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Printing Specifications 15 1.3.3 Paper Support Note "*1" : ASF = Auto Sheet Feeder R.Manual = Rear Manual FeedFront Manual Feed supports thicker paper (1.2 to 1.5mm thickness). Paper loading capacity for both Rear and Front Manu...

Page 16 - mm) not to directly print on the platen.

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Printing Specifications 16 1.3.4 Printable Area Note * : TM and BM are fixed to 20 mm in front manual feeding. The printer detects the paper width when paper is set. (If the paper width detection setting is OFF, the printer does not d...

Page 17 - AVAILABLE PAPER SIZE

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Print Mode 17 1.4 Print Mode This section provides specifications of the print mode and borderless printing. 1.4.1 Print Mode Note "*1" : Driver not supported "*2" : Driver not supported (supports Out_bit_1 only) 1.4.2 B...

Page 18 - AUTOMATIC EXPANSION SPECIFICATION; PRINTABLE AREA; Top; Printable area

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Print Mode 18 AUTOMATIC EXPANSION SPECIFICATION The driver automatically changes margins that bleed off the edges of paper according to the paper size. Note : The number of dots are based on 360 dpi. PRINTABLE AREA Figure 1-4. Printable...

Page 19 - Appearance Specifications; This section describes external dimensions and parts names.

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Appearance Specifications 19 1.5 Appearance Specifications This section describes external dimensions and parts names. 1.5.1 Dimensions/Weight Figure 1-5. External Dimensions Dimensions Storage: 684 (W) x 376 (H) x 257 (D) mm Printing...

Page 21 - Normal indication

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Operation Panel 21 1.6.4 Panel Display Normal indication Figure 1-8. Panel Display (Normal indication) Error indication Figure 1-9. Panel Display (Error indication) Note : When multiple errors occur simultaneously, they are displaye...

Page 22 - PLATEN GAP SETTING; Ink Counter; Table 1-7. Relation between Counters and Remaining Ink

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Operation Panel 22 1.6.5 Icons on the LCD PLATEN GAP SETTING The platen gap specified in PRINTER SETUP and CUSTOM PAPER menus is indicated with icons as shown below. INK CARTRIDGE STATUS Ink Counter The remaining amount of ink in each...

Page 23 - MAINTENANCE CARTRIDGE STATUS; Maintenance Cartridge Counter; Table 1-8. Relation between Counters and Remaining Ink; Free Space; Full

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Operation Panel 23 MAINTENANCE CARTRIDGE STATUS Maintenance Cartridge Counter The free space of the Maintenance Cartridge is indicated as shown below. Figure 1-12. Maintenance Cartridge Status Table 1-8. Relation between Counters and ...

Page 24 - Top Menu

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Operation Panel 24 1.6.6 Menu Settings Table 1-9. List of Menu Settings Top Menu Menu Items Settings (Bold = default) Explanation PRINTER SETUP PLATEN GAP NARROW Adjusts the gap between the print head and the platen. The set value is re...

Page 27 - PG settings list

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Operation Panel 27 PG settings list The table below lists the platen gap amounts settable with the printer driver, control panel, and media table. Firmware version indication The table below explains the meaning of the “o0XXXX-xx.xx...

Page 28 - MAINTENANCE MODE MENU LIST; Menu Item

EPSON Stylus Pro 3800/3800C/3850 Revision A PRODUCT DESCRIPTION Operation Panel 28 1.6.7 Maintenance Mode HOW TO START & QUIT Starting MethodTurn the printer On while holding down the Cancel/Reset button. Quitting MethodTurn the printer Off. MAINTENANCE MODE MENU LIST Menu Item Settings (Bol...

Page 35 - OPERATING PRINCIPLES

Page 36 - OPERATING PRINCIPLES OVERVIEW; • Print Head; Ink Supply Mechanism; Explains how the print head is cleaned.; Carriage Mechanism; Explains how to move the Carriage Unit.; Paper Feed Mechanism

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Overview 36 2.1 Overview OPERATING PRINCIPLES OVERVIEW 2.2 Print Mechanism Describes basic specifications of the print mechanism (print head). <Main Component> • Print Head 2.3 Ink Supply Mechanism Explains how the ink is supplie...

Page 37 - MAIN COMPONENT; Electric Circuit Boards; Figure 2-1. Layout of Electric Circuit Boards; Name

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Overview 37 MAIN COMPONENT Electric Circuit Boards Figure 2-1. Layout of Electric Circuit Boards Table 2-1. List of Electric Circuit Boards Fig. Name Function Main board (C635 MAIN) Communications with host computer Receive data ...

Page 39 - Diffuse reflective photo interrupter

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Overview 39 Sensors/Encoders/CSIC Figure 2-3. Layout of Sensors/Encoders/CSIC Table 2-3. List of Sensors/Encoders/CSIC Fig. Name Function Specifications ASF phase sensor Detects the ASF origin position. Type: Transmissive photo inter...

Page 40 - This section explains the basic specifications of the print head.; NOZZLE CONFIGURATION AND COLORS; Nozzle configuration: 180 nozzles x 8 rows = 1440 nozzles; DRIVE WAVEFORMS

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Print Mechanism 40 2.2 Print Mechanism This section explains the basic specifications of the print head. NOZZLE CONFIGURATION AND COLORS This printer is equipped with an MACH print head, which employs 180 nozzles per color. The printer...

Page 41 - Ink Supply Mechanism; The ink flow path is shown below.

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Ink Supply Mechanism 41 2.3 Ink Supply Mechanism 2.3.1 Ink Flow Path The ink flow path is shown below. Figure 2-5. Ink Flow Path 2.3.2 Ink Pressurizing Mechanism This printer employs an ink pressurizing mechanism to stably supply ink i...

Page 42 - Accordion unit/Pressure pump motor/Pressure pump home sensor; Applying pressure

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Ink Supply Mechanism 42 2.3.2.1 Pressure Pump Unit Mechanism Accordion unit/Pressure pump motor/Pressure pump home sensor The accordion unit intakes air and applies pressure by the rotating drive of the pressure pump motor, and pumps...

Page 43 - The selection lever moves as the selection cam rotates.

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Ink Supply Mechanism 43 2.3.3 Ink Change System This printer has automatic ink change system that switches black ink between Photo Black and Matte Black. The cartridge holder of this printer keeps both Photo Black and Matte Black ink c...

Page 44 - Cleaning Mechanism; Pump Motor

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Cleaning Mechanism 44 2.4 Cleaning Mechanism The cleaning mechanism consists of a pump cap unit and a waste ink pads (maintenance cartridge). Pump Motor The pump motor drives the cap unit, pump, head cleaner, and carriage lock. The t...

Page 45 - Pump Unit

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Cleaning Mechanism 45 Pump Unit The ink is absorbed from the head nozzles. The sucked waste ink is conveyed to the waste ink pad through the tube.The CW rotation of the pump motor rotates the conveyance roller. The roller rotates pre...

Page 46 - Carriage Mechanism; Cap Unit/Carriage Lock; Figure 2-15. Carriage Movement Mechanism

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Carriage Mechanism 46 2.5 Carriage Mechanism The carriage mechanism consists of a carriage movement mechanism, platen gap adjustment mechanism, and carriage lock mechanism. For explanation about the carriage lock mechanism, refer to Ca...

Page 47 - Figure 2-17. Platen Gap Adjustment Mechanism; Operation

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Carriage Mechanism 47 2.5.2 Platen Gap Adjustment Mechanism Platen gap adjustment mechanism consists of an APG motor, carriage unit, and PG sensor. The carriage unit is equipped with two carriages; main carriage that moves horizontally...

Page 48 - Paper Feed Mechanism; The following figures show the paper feed paths.; Figure 2-19. Paper Path of Front Manual Bypass; Paper Feeding; See

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Paper Feed Mechanism 48 2.6 Paper Feed Mechanism 2.6.1 Paper Feed Path The printer provides two manual paper feed paths in addition to the ASF to support thicker paper. The following figures show the paper feed paths. Figure 2-18. Pape...

Page 49 - Feeding paper to the paper loading position

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Paper Feed Mechanism 49 2.6.2 Paper Loading Mechanism ASF (AUTO SHEET FEEDER) The ASF, whose driving source is an ASF motor, consists of a LD roller, LD roller shaft, ASF sensor, hopper, and paper anti-slip tab. The cams on both ends o...

Page 50 - Figure 2-23. Releasing the Back End of Paper

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Paper Feed Mechanism 50 4. Pressing the hopperThe hopper cam on the LD roller shaft presses the hopper and remaining paper on the tray is moved away from the feeding position. 5. Moving the paper anti-slip tabs upwardThe LD roller shaf...

Page 51 - REAR MANUAL BYPASS

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Paper Feed Mechanism 51 REAR MANUAL BYPASS When the prescribed time has passed since a paper was supplied from the feeder on the rear of the printer and the PE sensor detected the paper, the PF roller starts to transport the paper. FRO...

Page 52 - RELEASE MECHANISM

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Paper Feed Mechanism 52 2.6.3 Paper Feed Mechanism The paper feed mechanism mainly consists of a Release mechanism, the PF Motor, and the feed rollers. RELEASE MECHANISM Release mechanism consists of a release unit (including a release...

Page 54 - PAPER FEED MECHANISM

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Paper Feed Mechanism 54 PAPER FEED MECHANISM Paper feed mechanism consists of a PF motor, PF scale, PF encoder, PF roller, front and rear paper eject rollers, and star wheels. The mechanism transports papers fed from the feeders and ej...

Page 56 - Auto Uni-D Adjustment

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Ink Mark Sensor 56 2.7 Ink Mark Sensor This printer is equipped with the ink mark sensor functioning as multi sensors. The sensor, located on the bottom of the carriage unit, is a diffuse reflective photointerruptor that is comprised o...

Page 57 - Other Mechanisms; INK COVER OPEN-CLOSE MECHANISM

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Other Mechanisms 57 2.8 Other Mechanisms INK COVER OPEN-CLOSE MECHANISM To keep the ink cartridges from being removed during printing, opening/closing of the ink cover is electrically regulated. Opening/closing of the cover is controll...

Page 58 - Outline of Circuit Boards; Explanation of main elements on C635 MAIN Board; Figure 2-33. C635 MAIN Board Block Diagram; Model Number

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Outline of Circuit Boards 58 2.9 Outline of Circuit Boards 2.9.1 Main Board This section provides a summary of the main board (C653MAIN) that controls the whole of the printer system. Explanation of main elements on C635 MAIN Board ...

Page 59 - CIRCUIT BLOCK DIAGRAM; The block diagram of C635 Power Supply board is shown below.; Figure 2-34. C635 Power Supply Board Block Diagram; Signal Name

EPSON Stylus Pro 3800/3800C/3850 Revision A OPERATING PRINCIPLES Outline of Circuit Boards 59 2.9.2 Power Supply Board This section describes the power supply board that generates the power to operate this printer. CIRCUIT BLOCK DIAGRAM The block diagram of C635 Power Supply board is shown below. Fi...

Page 61 - TROUBLE SHOOTING

Page 62 - W A R N I N G; Be sure to use the specified tools for maintenance/repair.

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING Overview 62 3.1 Overview This section explains the basic procedure for troubleshooting problems on the printer quickly and efficiently. 3.1.1 Preliminary Check Make sure to verify or perform the following basic items whenever servicing the...

Page 63 - List of Panel Messages

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING List of Panel Messages 63 3.2 List of Panel Messages The printer runs diagnostic checks on itself according to various conditions detected by the mounted sensors. If an error condition is detected as a result of the self-diagnosis, the pri...

Page 65 - Error; Category

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING List of Panel Messages 65 Error PAPER ERROR LOAD PAPER No paper is detected. p 72 PAPER SIZE ERROR LOAD THE CORRECT SIZE PAPER The size of loaded paper does not match with the paper size setting. p 72 PAPER SENSOR ERROR PRESS THE BUTTON LO...

Page 66 - Remedies for Warning Messages; REMEDIES; The following tables explains the Warning messages and remedies.; Table 3-2. Remedies for Warning Messages; Message on LCD; MAINTENANCE REQUEST

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING Remedies for Warning Messages 66 3.3 Remedies for Warning Messages When a Warning error occurs, the printer displays a Warning message instead of “READY” or “PRINTING” messages, however, it does not interfere with printing operation. REMED...

Page 67 - MAINTENANCE REQUEST XXXX; Cause; Description

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING Remedies for Warning Messages 67 MAINTENANCE REQUEST XXXX When a Maintenance Request error occurs, the printer displays on the LCD a hexadecimal code of “NNNN” which correspond to the bit numbers assigned to error statuses as shown in the ...

Page 68 - Remedies for Error Messages; The following tables explains the error messages and remedies.; See 3.5 Remedies for Service Call Error on page 74.

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING Remedies for Error Messages 68 3.4 Remedies for Error Messages The following tables explains the error messages and remedies. Message on LCD Description Remedy SERVICE CALL ERROR NNNN PLEASE CONTACT TO THE REPAIR CENTER See 3.5 Remedies fo...

Page 74 - Remedies for Service Call Error; C H E C K; Error Code; CR life error

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING Remedies for Service Call Error 74 3.5 Remedies for Service Call Error The following tables explains the Service Call error messages and remedies. C H E C K P O I N T Make sure to check the related connectors and cables for poor connection...

Page 82 - Remedies for Print Quality Troubles; Symptom

EPSON Stylus Pro 3800/3800C/3850 Revision A TROUBLE SHOOTING Remedies for Print Quality Troubles 82 3.6 Remedies for Print Quality Troubles This section provides troubleshooting of print quality troubles classifying them by observed symptom. Symptom Description Remedy Dot missing The nozzles are clo...

Page 85 - DISASSEMBLY & ASSEMBLY

Page 86 - Do not charge the battery.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Overview 86 4.1 Overview This section describes procedures for disassembling the main components of the product. Unless otherwise specified, disassembled units or components can be reassembled by reversing the disassembly procedu...

Page 87 - Ensure sufficient work space for servicing.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Overview 87 C A U T I O N Ensure sufficient work space for servicing. Locate the printer on a stable and flat surface. The ink-path-related components or parts should be firmly and securely installed on the printer to preve...

Page 89 - The following table indicates the screws used in the printer.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Overview 89 4.1.4 Screws The following table indicates the screws used in the printer. 4.1.5 Chapter Organization The maintenance parts of this product are classified into two groups according to the site they are repaired. There...

Page 90 - Disassembly Flowchart; Start

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly Flowchart 90 4.2 Disassembly Flowchart HOUSING, FRONT, LEFT (p97) Start COVER, IH, ASSY. (p94) Group 1 POROUS PAD, INK WASTE BOX, RIGHT/ POROUS PAD, INK WASTE BOX, LEFT (p162) Group 2 Parts shown in the dotted-line bo...

Page 92 - Press the Ink Lever of the each Ink Cartridge to release the lock.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 92 4.3.2 Consumable 4.3.2.1 Ink Cartridge 1. Turn the printer ON. 2. Hold down the Ink Cover Open/Up button on the operation panel for more than three seconds. The COVER, IH, ASSY. will be...

Page 93 - Figure 4-6. Removing the Maintenance Cartridge

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 93 4.3.2.2 Maintenance Cartridge 1. Open the COVER, WB. 2. Slightly lift the Maintenance Cartridge and pull it out from the main unit. Figure 4-5. Opening the COVER, WB Figure 4-6. Removin...

Page 96 - Position of the points

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 96 Install the HOUSING, REAR, ASSY. so that all the points mentioned below are securely engaged. Fig. Position of the points Main unit HOUSING, REAR, ASSY. A Right side Two positioning hol...

Page 99 - Widen the parts shown in

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 99 4.3.3.5 COVER, PRINTER 1. Open the COVER, PRINTER. 2. Widen the parts shown in Figure 4-11 to release the COVER, PRINTER from the two bosses (left and right), and remove the COVER, PRIN...

Page 100 - Be sure to engage all the hooks (two on the upper part

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 100 4.3.3.6 PAPER, SUPPORT, MANUAL, ASSY. 1. Remove the PAPER, SUPPORT, MANUAL, ASSY. upward. Figure 4-12. Removing the PAPER, SUPPORT, MANUAL, ASSY. Be sure to engage all the hooks (two o...

Page 106 - Figure

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 106 4.3.3.12 HOUSING, UPPER 1. Remove the HOUSING, REAR, ASSY. (p95) 2. Remove the HOUSING, FRONT, LEFT. (p97) 3. Remove the HOUSING, FRONT, RIGHT. (p98) 4. Remove the COVER, PRINTER. (p99...

Page 109 - Remove the OPERATION BUTTON from the OPERATION PANEL.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 109 4. Remove the OPTICAL TUBE, LED, LEFT/RIGHT and the BUTTON, PS from the OPERATION PANEL. See Figure 4-23. 5. Remove the OPERATION BUTTON from the OPERATION PANEL. See Figure 4-23. 6. R...

Page 110 - to widen it to disengage the four guide pins of the ASF,; to show the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 110 4.3.3.15 BASE, ENCLOSURE 1. Remove the HOUSING, REAR, ASSY. (p95) 2. Remove the HOUSING, FRONT, LEFT. (p97) 3. Remove the HOUSING, FRONT, RIGHT. (p98) 4. remove the COVER, PRINTER. (p9...

Page 111 - Pull out the BASE, ENCLOSURE from the back of the printer.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 111 10. Remove the four screws that secure the BASE, ENCLOSURE to the main unit. See Figure 4-27. Four C.B.S. 3 x 6 screws (6 ± 1 kgf.cm) 11. Pull out the BASE, ENCLOSURE from the back o...

Page 112 - Figure 4-30. Disconnecting the Power Board Cable from CN13; and

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 112 4.3.4 Removing the Circuit Boards 4.3.4.1 BOARD ASSY., MAIN 1. Pull out the BASE, ENCLOSURE. (p110) 2. Disconnect the all connectors and FFCs from the BOARD ASSY., MAIN. Note that CN13...

Page 113 - Color

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 113 Table 4-3. List of Connectors on the BOARD ASSY., MAIN Connector No. Color Number of Pins Destination CN3 White NA Unassigned CN13 White 7 BOARD ASSY., POWER SUPPLY CN30 (FFC) 7 CSIC, ...

Page 115 - Connector Layout of the BOARD ASSY., POWER SUPPLY

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 115 4.3.4.2 BOARD ASSY., POWER SUPPLY 1. Pull out the BASE, ENCLOSURE. (p110) 2. Disconnect the Power Board Cable from CN13 on the BOARD ASSY., MAIN.Note that the connector is locking the ...

Page 116 - Remove the AC INLET from the notch of the BASE, ENCLOSURE.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 116 4.3.4.3 AC INLET 1. Remove the BASE, ENCLOSURE. (p110) 2. Disconnect the HARNESS, AC INLET from CN1 on the BOARD ASSY., POWER SUPPLY. 3. Cut the cable tie that secures the HARNESS, AC ...

Page 117 - Disconnect the all connectors and FFCs from the BOARD ASSY., SUB.; White

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 117 4.3.4.4 BOARD ASSY., SUB 1. Remove the HOUSING, UPPER. (p106) 2. Remove the COVER, CR. (p150) 3. Disconnect the all connectors and FFCs from the BOARD ASSY., SUB. 4. Remove the two scr...

Page 118 - Release the cables of the MOTOR ASSY., APG from the three cable hooks.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 118 4.3.5 Removing the MOTOR ASSEMBLIES. 4.3.5.1 MOTOR ASSY., APG 1. Remove the HOUSING, UPPER. (p106) 2. Pull out the BASE, ENCLOSURE. (p110) 3. Disconnect CN45 of the MOTOR ASSY., APG on...

Page 119 - Remove the two screws that secure the MOTOR ASSY., APG to the; The board-attached side must face upward.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 119 6. Remove the two screws that secure the MOTOR ASSY., APG to the FRAME ASSY., SUB, RIGHT. See Figure 4-40. Two C.B.S. 3 x 6 screws (9 ± 1 kgf.cm) 7. Turn the MOTOR ASSY., APG in the ...

Page 120 - Release the cables of the MOTOR ASSY., ASF from the cable hook.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 120 4.3.5.2 MOTOR ASSY., ASF 1. Remove the HOUSING, UPPER. (p106) 2. Release the cables of the MOTOR ASSY., ASF from the cable hook. See Figure 4-41. 3. Disconnect the connector of the MOT...

Page 122 - Remove the two screws that secure the MOTOR ASSY., CR and remove it.; See Figure

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 122 4. Disconnect the connector from the MOTOR ASSY., CR. 5. Remove the two screws that secure the MOTOR ASSY., CR and remove it. Two C.C.S. 3 x 4 screws (6 ± 1 kgf.cm) Figure 4-44. Remo...

Page 124 - Be sure to route the cables through the tabs as shown in

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 124 3. Release the LOCK, COVER, ASSY. cables from the hooked tabs on the HOUSING, UPPER. Figure 4-46. Routing the LOCK, COVER, ASSY. Cables Be sure to route the cables through the tabs as ...

Page 127 - Manually turn the SPUR GEAR, 22 shown in

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 127 4.3.6.3 RELEASE SENSOR 1. Remove the HOUSING, UPPER. (p106) 2. Manually turn the SPUR GEAR, 22 shown in Figure 4-50 clockwise until the FLAG, DETECTOR, RELEASE goes out of the detectio...

Page 128 - Disconnect the connector from the MAINTENANCE CARTRIDGE SENSOR.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 128 4.3.6.4 MAINTENANCE CARTRIDGE SENSOR 1. Remove the HOUSING, UPPER. (p106) 2. Disconnect the connector from the MAINTENANCE CARTRIDGE SENSOR. See Figure 4-51. 3. Open the COVER, WB. See...

Page 129 - Disconnect the connector from the APG SENSOR.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 129 4.3.6.5 APG SENSOR 1. Remove the HOUSING, UPPER. (p106) 2. Remove the COVER, CR. (p150) 3. Remove the screw that secures the MOUNT PLATE, DETECTOR, PG, and remove the MOUNT PLATE, DETE...

Page 130 - Pull out the right end of the SCALE, CR from the CARRIAGE, ASSY.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 130 4.3.7 Removing the Carriage Mechanism 4.3.7.1 SCALE, CR 1. Remove the HOUSING, UPPER. (p106) 2. Unlock the CARRIAGE, ASSY., and move the CARRIAGE, ASSY. to the center of the main unit....

Page 132 - DISASSEMBLY

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 132 4.3.8 Removing the PAPER FEED MECHANISM 4.3.8.1 STACKER, ASSY. DISASSEMBLY 1. Remove the HOUSING, FRONT, LEFT. (p97) 2. Remove the HOUSING, FRONT, RIGHT. (p98) 3. Open the STACKER, C. ...

Page 134 - Pull out the STACKER, ASSY. toward you as far as it will go.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 134 6. Pull out the STACKER, ASSY. toward you as far as it will go. 7. Lift up the STACKER, ASSY. to disengage its right dowel from the main unit while slightly pushing the STACKER, ASSY. ...

Page 135 - REASSEMBLY; Slide the GUIDE, STACKER, LEFT toward the rear of the printer.; positioning tab

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 135 REASSEMBLY GUIDE, STACKER, LEFT 1. Install the GUIDE, STACKER, LEFT so that the two points mentioned below are securely engaged. See Figure 4-59. 2. Slide the GUIDE, STACKER, LEFT to...

Page 136 - Slide the GUIDE, STACKER, RIGHT toward the rear of the printer.; positioning hole

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 136 GUIDE, STACKER, RIGHT 1. Install the GUIDE, STACKER, RIGHT so that the two points mentioned below are securely engaged. See Figure 4-60. 2. Slide the GUIDE, STACKER, RIGHT toward the...

Page 137 - put the dowels of the left

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 137 STACKER, ASSY. 1. While pressing the stopper of the STACKER, ASSY., put the dowels of the left rear and right rear of the STACKER, ASSY. into the slits of the rear of the GUIDE, STAC...

Page 138 - Push out the BOARD PAPER TRAY

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 138 4.3.8.2 BOARD PAPER TRAY DISASSEMBLY 1. Remove the HOUSING, FRONT, LEFT. (p97) 2. Remove the HOUSING, FRONT, RIGHT. (p98) 3. Remove the STACKER, ASSY. (p132) 4. Push out the BOARD PAPE...

Page 139 - as shown in the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 139 6. Remove the E-ring and the washer from the left side of the SHAFT, PAPER GUIDE, BOARD PAPER. 7. Pull the SHAFT, PAPER GUIDE, BOARD PAPER to the right to push out the parallel pin fro...

Page 140 - Figure 4-64. Removing the BOARD PAPER TRAY

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 140 11. Push inward on the hinges of the BOARD PAPER TRAY to disengage its pivots from the GUIDE, PAPER GUIDE, BOARD PAPER, LEFT/RIGHT, then remove the BOARD PAPER TRAY. Figure 4-64. Remov...

Page 141 - back and forth until the guide holes of the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 141 REASSEMBLY 1. Slide the FRAME, PAPER, EJECT, ASSY back and forth until the guide holes of the LINK, EJ, LEFT/RIGHT and GUIDE, PAPER GUIDE, BOARD PAPER, LEFT/RIGHT come in the positions...

Page 142 - Remove the BOARD PAPER TRAY.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 142 4.3.8.3 FRAME, PAPER, EJECT, ASSY 1. Remove the HOUSING, UPPER. (p106) 2. Remove the STACKER, ASSY. (p132) 3. Remove the BOARD PAPER TRAY. (p138) 4. Unlock the CARRIAGE, ASSY. and move...

Page 143 - and the screw from the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 143 6. Release the rear end of the TORSION SPRING, 0.15 from the cutout of the main frame in the direction of the arrow, and remove the TORSION SPRING, 0.15 from the GUIDE, PAPER GUIDE, BO...

Page 144 - Pull out the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 144 8. Pull out the GUIDE, PAPER GUIDE, BOARD PAPER, RIGHT toward you as far as it will go. See Figure 4-70. 9. Tilt the FRAME, PAPER, EJECT, ASSY in the direction shown in the Figure 4-71...

Page 145 - from the pivot of the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 145 10. Open the GUIDE, PAPER GUIDE, BOARD PAPER, RIGHT inward, and remove the LINK, EJ, RIGHT and the GUIDE, PAPER GUIDE, BOARD PAPER, RIGHT from the pivot of the FRAME, PAPER, EJECT, ASS...

Page 146 - in the direction shown in the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 146 12. Tilt the FRAME, PAPER, EJECT, ASSY in the direction shown in the Figure 4-74 . Lift up the right side of the FRAME, PAPER, EJECT, ASSY slightly to pass it over the bump of the FRAM...

Page 148 - Grounding Wire

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 148 4.3.9 Removing the Ink System Mechanism 4.3.9.1 PUMP, CAP ASSY. 1. Remove the HOUSING, UPPER. (p106) 2. Carry out step 4. to step 5. of “4.3.8.3 FRAME, PAPER, EJECT, ASSY” (p142) , and...

Page 150 - Remove the two screws that secure the COVER, CR and remove it.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 150 4.3.9.2 COVER, CR 1. Remove the HOUSING, UPPER. (p106) 2. Remove the two screws that secure the COVER, CR and remove it. One C.B.P. 3 x 6 screw (9 ± 1 kgf.cm) One C.B.S. 3 x 6 scre...

Page 151 - Remove the three screws that secure the SHIELD PLATE, HOLDER, ASSY.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 151 4.3.9.3 INK, SYSTEM, ASSY. 1. Remove the HOUSING, UPPER. (p106) 2. Remove the three screws that secure the SHIELD PLATE, HOLDER, ASSY. Three C.B.S. 3 x 6 screws (9 ± 1 kgf.cm) 3. Sli...

Page 152 - When performing the next steps, be careful not to bend the FFC.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 152 4. Pull out the tube of the PRESSURE, PUMP, ASSY. from the left side of the FRAME, HOLDER, IC, ASSY. See Figure 4-81. 5. Remove the FFC, ASSY., HOLDER from the nine connectors on the F...

Page 159 - to remove

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 159 4.3.9.5 PRINT HEAD 1. Remove the HOUSING, UPPER. (p106) 2. Remove the COVER, CR. (p150) 3. Perform step 13. to step 16. in “4.3.9.3 INK, SYSTEM, ASSY.” (p151) to remove the SELECTOR, I...

Page 162 - Remove the screw that secures the INK WASTE BOX.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 162 4.3.9.6 POROUS PAD, INK WASTE BOX, RIGHT/ POROUS PAD, INK WASTE BOX, LEFT 1. Remove the STACKER, ASSY. (p132) 2. Remove the screw that secures the INK WASTE BOX. See Figure 4-94. One...

Page 163 - Figure 4-95. Removing the INK WASTE BOX

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 163 3. Slide the INK WASTE BOX to the left and release it from the tab of the main frame, and remove the INK WASTE BOX. See Figure 4-95. 4. Remove the POROUS PAD, INK WASTE BOX, RIGHT and ...

Page 164 - 0 Removing the PAPER FEED MECHANISM

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 164 4.3.10 Removing the PAPER FEED MECHANISM 4.3.10.1 SCALE, PF, 180 1. Remove the HOUSING, UPPER. (p106) 2. Peel off the double-sided tape that secure the SCALE, PF, 180, and remove it fr...

Page 165 - Remove the two screws that secure the HOUSING, LOWER.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 165 4.3.10.2 TIMING BELT, PF 1. Remove the HOUSING, UPPER. (p106) 2. Remove the SCALE, PF, 180. (p164) 3. Remove the retaining ring that secure the SPUR GEAR, 31.5. See Figure 4-98. 4. Rem...

Page 167 - RELEASE SENSOR

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 167 4.3.10.3 MOTOR, RELEASE, ASSY. 1. Remove the HOUSING, UPPER. (p106) 2. Pull out the BASE, ENCLOSURE. (p110) 3. Disconnect the cables from CN41, CN57, CN61 on the BOARD ASSY., MAIN. See...

Page 168 - Remove the three screws that secure the MOTOR, RELEASE, ASSY.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 168 6. Remove the HARNESS, ENCODER, PF secured to the MOTOR, RELEASE, ASSY., with the two-sided tape. See Figure 4-104. 7. Remove the three screws that secure the MOTOR, RELEASE, ASSY. See...

Page 169 - Remove the PRINT HEAD.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 169 4.3.11 Removing the Carriage Mechanism 4.3.11.1 CARRIAGE, ASSY. 1. Remove the HOUSING, UPPER. (p106) 2. Remove the COVER, HOUSING, LOWER. (p107) 3. Remove the MOTOR ASSY., CR. (p121) 4...

Page 170 - Remove the acetate tape shown in; After fastening the screws shown in

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 170 11. Remove the FFCs secured with the two-sided tape to the FRAME ASSY., SUB, RIGHT. See Figure 4-108. 12. Remove the acetate tape shown in Figure 4-109 . 13. Remove the five screws tha...

Page 172 - Release the four tabs that secure the COVER, ENCODER and remove it.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 172 4.3.11.2 BOARD ASSY., ENCODER 1. Remove the CARRIAGE, ASSY. (p169) 2. Release the four tabs that secure the COVER, ENCODER and remove it. See Figure 4-111. 3. Remove the all FFCs on th...

Page 175 - Set the BELT, CR so that its lumpy side faces inward.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 175 4.3.11.5 BELT, CR 1. Remove the CARRIAGE, ASSY. (p169) 2. Remove the BELT, CR from the belt holding part on the rear side of the CARRIAGE, ASSY. Figure 4-117. Removing the BELT, CR Mak...

Page 176 - 2 Removing the INK SYSTEM MECHANISM; PRESSURE SENSOR/PRESSURE

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 176 4.3.12 Removing the INK SYSTEM MECHANISM 4.3.12.1 PRESSURE, PUMP, ASSY. 1. Remove the HOUSING, UPPER. (p106) 2. Pull out the tube of the PRESSURE, PUMP, ASSY. from the left side of the...

Page 177 - Carry out step 4. of the

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 177 7. Carry out step 4. of the “4.3.10.2 TIMING BELT, PF” (p165) , and remove the two screws of the HOUSING, LOWER. 8. Lift up the left side of the main frame, and remove the PRESSURE, PU...

Page 178 - for the operation instructions.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 178 4.3.13 PRINTER MECHANISM 4.3.13.1 Replacing the PRINTER MECHANISM Name: PRINTER MECHANISM, ASP 1. Remove the parts listed below from the old printer, and install them to the PRINTER ...

Page 180 - Disconnect the connector from the ASF SENSOR.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 2) 180 5. Disconnect the connector from the ASF SENSOR. 6. Release the FFC and cables listed below from the cable guides on the ASF, ASSY. See Figure 4-123. HARNESS, ENCODER, PF HARNESS, ...

Page 181 - Remove the four screws that secure the ASF, ASSY.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 2) 181 8. Disconnect the relay connector of the MOTOR ASSY., ASF, and release the cables from the two cable hooks. See Figure 4-41. 9. Remove the four screws that secure the ASF, ASSY. See Fi...

Page 182 - Route the cables correctly as shown in the figure below.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 2) 182 Be sure to position the notch of the FLAG, DETECTOR, RELEASE and the red marking part of the SPUR GEAR, 22, B as shown in the figure below to install the MOTOR, RELEASE, ASSY. Rout...

Page 184 - Disengage the four tabs of the ASF SENSOR, and remove the ASF SENSOR.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 2) 184 4.4.1.3 ASF SENSOR 1. Remove the HOUSING, UPPER. (p106) 2. Remove the ASF, ASSY. (p179) 3. Disengage the two tabs of the FLAG, DETECTOR, ASF on the left side of the ASF, ASSY. from the...

Page 187 - Remove the four screws that secure the SHAFT, RELEASE, ASSY.

EPSON Stylus Pro 3800/3800C/3850 Revision A DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 2) 187 4.4.1.5 SHAFT, RELEASE, ASSY. 1. Remove the HOUSING, UPPER. (p106) 2. Remove the ASF, ASSY. (p179) 3. Remove the MOTOR, RELEASE, ASSY. (p167) 4. Remove the four screws that secure the ...

Page 190 - ADJUSTMENT

Page 191 - to check whether the; Parts and Units that Require Adjustments; and make sure to perform all adjustments listed in; Table 5-1. Parts and Units that Require Adjustments

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Overview 191 5.1 Overview This chapter describes the Adjustment Program software utility and the adjustment procedures required after repairing or replacing certain parts. 5.1.1 Precautions Always observe the following cautions whenever an adjus...

Page 192 - Required Adjustments by Part or Unit; Table 5-2. Required Adjustments in the Order of Execution

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Overview 192 5.1.4 Required Adjustments by Part or Unit The following table lists the parts/units and the adjustments required whenever replacing or repairing them. The adjustments are listed in the order of executing them. Note "*1" : R...

Page 193 - MECHANICAL ADJUSTMENT

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Overview 193 5.1.5 Description of Adjustments The following tables describe the general outline of the adjustments. Note "*1" : AU = Software tool including Adjustment Program "*2" : AT = Jig or Tool for the adjustment (does not ...

Page 194 - CHECK RESULTS

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Overview 194 CHECK RESULTS RESET COUNTERS Check the Release Of Grid Roller Checks the release operation of the grid roller. --- P. 235 Check Network Communication Checks if the printer is recognized over a network. --- P. 236 T&B&S A...

Page 195 - Type

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Overview 195 5.1.6 Tools for Adjustments The table below shows the tools required for adjusting the printer. Table 5-3. Tools for Adjustments Type Name Part Number Remarks Hard Tool Thickness Gauge T = 0.90 commercially available --- Thickness G...

Page 196 - Adjustment Program Basic Operations; Figure 5-1. Adjustment Program Startup Screen

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Overview 196 5.1.7 Adjustment Program Basic Operations This section describes the basic operations of the Adjustment Program. System Requirements OS: Windows 2000, XP Interface: USB The printer driver must have been installed. Startup ...

Page 198 - Mechanical Adjustment

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Mechanical Adjustment 198 5.2 Mechanical Adjustment 5.2.1 PF Timing Belt Tension Adjustment Purpose In order to apply a proper tension to the PF timing belt, this adjustment must be carried out whenever the belt is replaced. Required Tool ...

Page 200 - Figure 5-6. Setting the Roller LD Height Adjustment Tool

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Mechanical Adjustment 200 5.2.2 LD Roller Position Adjustment Adjust the height of the LD Roller in order to prevent a multi-feed or non-feed error. Tool Roller LD Height Adjustment Tool Roller LD Height Adjustment Gauge Roller LD Height...

Page 201 - Figure 5-8. Thickness Gauge Set Position

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Mechanical Adjustment 201 5.2.3 PG Position Adjustment Purpose Check the platen gap if it is properly adjusted. Tool Thickness gauge T = 0.90, T = 1.00 Standard Value T = 0.90: Carriage can slide over the gauge T = 1.00: Carriage is bl...

Page 202 - Carry out the adjustment as follow:

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Mechanical Adjustment 202 3. Check the result if the value is within the standard range or not. If it is, the adjustment is not necessary. If not, proceed to the next step to carry out the adjustment. 4. Remove the HOUSING, UPPER. See "4.3.3...

Page 203 - Standard Adjustment; Purpose

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 203 5.3 Standard Adjustment 5.3.1 RTC&USB ID Purpose Whenever the main board is replaced, this must be carried out to initializes the RTC and write USB ID on the new board. Procedure 1. After replacing the main board,...

Page 205 - Figure 5-15. Adjustment Pattern and Check Point

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 205 5.3.3 Print Head Slant Adjustment (PF) Purpose Check the print head for slanting in the PF direction and corrects if slanted. Paper Used Size: A4/Letter Type: Enhanced Matte Paper (US)/Archival Matte Paper (Europe...

Page 207 - A B

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 207 5.3.4 Print Head Slant Adjustment (CR) Purpose Check the print head for slanting in the CR direction and corrects if slanted. Paper Used Size: A4/Letter Type: Economy Super Fine Paper Procedure 1. Remove the HOU...

Page 211 - Procedure

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 211 5.3.5 Initial Ink Charge Flag ON/OFF Procedure 1. Turn the printer ON. 2. Start up the Adjustment Program and select [Initial Ink Charge Flag ON/OFF]. 3. Select [ON] or [OFF] and then click [Run]. 4. Click [Finish]. Fig...

Page 212 - Ink; Figure 5-30. NVRAM Back Up Utility Screen Transition

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 212 5.3.6 Parameter Backup Purpose Whenever the main board is replaced, parameters stored in the NVRAM on the previous board should be backed up and written onto the new board using this menu. Read & Save Procedure 1....

Page 213 - Figure 5-31. Adjustment Program Start Up Flow

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 213 Figure 5-31. Adjustment Program Start Up Flow Start Start up the Adjustment Program NVRAM Backup Utility starts up instead of the Adjustment Program Select Operation To perform reading To perform writing Click [Read] When...

Page 215 - Key

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 215 5.3.8 Initial Ink Charge Purpose Carry out the initial ink charge. Procedure 1. Turn the printer ON. 2. Start up the Adjustment Program and select [Initial Ink Charge]. 3. Press the F5 key to pop up a verification scr...

Page 217 - PURPOSE

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 217 5.3.11 Colorimetric Calibration Tool 5.3.11.1 Adjustment Overview PURPOSE By registering/controlling information concerning the ink droplets, this product improves calibration accuracy and ensures stable color quality. (D...

Page 218 - TOOLS REQUIRED; Following is the workflow of this adjustment.

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 218 5.3.11.2 Adjusting Method TOOLS REQUIRED ADJUSTMENT WORKFLOW Following is the workflow of this adjustment. Figure 5-38. Adjustment Workflow Table 5-4. Tools Required Tool Application/Specification Plain Paper (A4) For noz...

Page 219 - ADJUSTMENT PROCEDURE; Never touch the printed calibration chart.

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 219 ADJUSTMENT PROCEDURE 1. Turn the printer ON. 2. Start the adjustment program, and select [Colorimetric Calibration Tool]. 3. Click [Run] to start the [Colorimetric Calibration Tool]. 4. Load an A4-sized plain paper vertic...

Page 221 - , lay the chart on the black paper (or sheet) with the upper part

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 221 12. Make sure that the date and time printed in the second line on the upper left of the chart (measurable time and date) is within the range displayed under the heading “GMT” on the lower screen. (If the date and time is...

Page 222 - screen to perform color measuring.; When measuring colors, pay attention to the instructions below.

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 222 14. Click [OK] and follow the instructions (following procedure) displayed on the screen to perform color measuring. 1. Set the calibrator with its measuring part matched with measuring start position (margin) as shown in...

Page 225 - Make sure that there is no missing dot in the verify chart.

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 225 18. Load an A4-sized EPSON Enhanced (Archival) Matte paper vertically on the ASF, and click [Next] to print the first page (Sheet1) of the verify chart. 19. When the first page of the verify chart is printed to the last, ...

Page 227 - Figure 5-53. Setting the Calibrator/Color Measuring Position

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 227 27. Click [OK] and follow the instructions (following procedure) displayed on the screen to perform color measuring. 1. Set the calibrator with its measuring part matched with measuring start position (gray part) as shown...

Page 230 - 3 Ink Mark Sensor Adjustment for Auto Nozzle

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 230 5.3.13 Ink Mark Sensor Adjustment for Auto Nozzle Check Purpose Verifies the sensitivity of the ink mark sensor. Malfunction of the sensor or poor connection status can be found. Corrects the auto position of the in...

Page 239 - The “E” next to the numbers show the current settings.; OK

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 239 5.3.20 PF Adjustment Purpose Checks and corrects the pitch of paper feeding during printing (except for printing on the bottom area). Paper Used Size: A4/Letter Type: Enhanced Matte Paper (US)/Archival Matte Paper...

Page 241 - The “_” under the numbers show the current settings.

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 241 5.3.21 EJ Adjustment Purpose Checks and corrects the pitch of paper feeding during printing on the bottom area. Paper Used Size: A4 Type: Enhanced Matte Paper (US)/Archival Matte Paper (Europe, Asia) Procedure 1...

Page 243 - Photo Black

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 243 5.3.22 Check Ink Selector Operation Purpose Checks if the Ink Selector functions normally or not. Procedure 1. Remove the HOUSING, UPPER. 2. Remove the COVER, CR. 3. Attach the OPERATION, PANEL, ASSY to the printer an...

Page 244 - Figure 5-78. Motor Characteristic Factor Label; Motor characteristic factor label

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Standard Adjustment 244 5.3.23 Write Constant When CR change Purpose A current applied to the CR motor is controlled based on the mechanical load that changes with years of use and the motor characteristics stored in the NVRAM. Whenever the CR...

Page 248 - Vertical Alignment

EPSON Stylus Pro 3800/3800C/3850 Revision A ADJUSTMENT Check Results 248 5.4.4 Check Alignment Purpose Checks the print alignment for the all print modes (ECO, VSD1L, VSD2L and VSD3). If any misalignment symptoms or abnormalities are found on the printed pattern, a cleaning must be performed. Pa...

Page 251 - Be careful not to short the electrode of the battery.

EPSON Stylus Pro 3800/3800C/3850 Revision A MAINTENANCE Overview 251 6.1 Overview This chapter provides information on how to maintain the printer in its optimum operating condition. Basically, servicing on the printer should be performed on-site. Be sure to strictly observe the following precaution...

Page 253 - Cleaning Point

EPSON Stylus Pro 3800/3800C/3850 Revision A MAINTENANCE Cleaning 253 6.2 Cleaning Be sure to check the following items when servicing the printer, and clean the printer as necessary. Item Platen’s surface Point to be checked 1. Is there any paper dust or foreign matter on it? 2. Is there any ink adh...

Page 254 - LUBRICATION

EPSON Stylus Pro 3800/3800C/3850 Revision A MAINTENANCE Lubrication 254 6.3 Lubrication LUBRICATION To maintain the functions and performance of this printer, make sure to properly lubricate the parts/units specified in this section as necessary when replacing or maintaining them. LUBRICATION POINTS...

Page 255 - LUBRICATION POINTS

EPSON Stylus Pro 3800/3800C/3850 Revision A MAINTENANCE Lubrication 255 LUBRICATION POINTS [Lubrication 1] [Lubrication 2] Part Name GUIDE PLATE, CR (FRAME, ASSY, MAIN) Lubrication Point On the GUIDE PLATE, CR with where the CARRIAGE, ASSY contacts. Lubricants G-71 Amount I 2 mm x full length x 1 po...

Page 260 - Lubrication Point

EPSON Stylus Pro 3800/3800C/3850 Revision A MAINTENANCE Lubrication 260 [Lubrication 11] [Lubrication 12] Part Name Guide, Stacker, Right (Board Paper Tray) Lubrication Point In the groove of the Guide, Stacker, Right. On the both inner sides at the corner of the groove. Lubricants G-45 Amount I 2 m...

Page 262 - APPENDIX

Page 263 - C635 Power Supply Board

EPSON Stylus Pro 3800/3800C/3850 Revision A APPENDIX Connectors 263 7.1 Connectors CONNECTORS LIST C635 Main Board C635 Power Supply Board C635 Panel Board C635 CR Relay Board Table 7-1. C635 Main Board Connectors List CN. No. Color Pins Connected to CN13 White 8 BOARD ASSY.,POWER SUPPLY [CN...

Page 264 - BLOCK DIAGRAM

EPSON Stylus Pro 3800/3800C/3850 Revision A APPENDIX Connectors 264 BLOCK DIAGRAM Figure 7-1. Block Diagram LLK MK PK LK

Page 265 - Cables Connection Layout; Pins

EPSON Stylus Pro 3800/3800C/3850 Revision A APPENDIX Cables Connection Layout 265 7.2 Cables Connection Layout The section shows how FFCs and cables are routed inside the printer. Figure 7-2. Routing Layout (1) Figure 7-3. Routing Layout (2) No. P/CN J Pins CN64 BOARD ASSY.,PANEL Main Board FFC 19 C...

Page 267 - OPERATION PANEL; Part Name

EPSON Stylus Pro 3800/3800C/3850 Revision A APPENDIX ASP List 267 7.3 ASP List Table 7-5. After Service Part List Ref No. Part Name 110 "BOARD,PAPER,ASSY.,ESL,ASP" 111 "HOLDER,MAINTENANCE,TANK,ASSY.,ESL,ASP" 113 "PAPER,SUPPORT,MANUAL,ASSY.,ESL,ASP" 114 "PAPER,SUPPORT,ASSY...

Page 268 - LEAF SENSOR; FOOT

EPSON Stylus Pro 3800/3800C/3850 Revision A APPENDIX ASP List 268 517 "POROUS PAD,INK EJECT,TANK,LOWER;B" 518 "MOTOR ASSY.,CR,CS" 520 "PAPER,GUIDE,UPPER,ASSY.,ESL,ASP" 521 "SHAFT,RELEASE,ASSY.,ESL,ASP" 522 "PAPER,DETECTOR,ASSY.,ESL,ASP" 523 "FRAME,PAPER,EJ...

Page 269 - Exploded Diagrams

EPSON Stylus Pro 3800/3800C/3850 Revision A APPENDIX Exploded Diagrams 269 7.4 Exploded Diagrams

Page 270 - Only numbered Service Parts are available.

Only numbered Service Parts are available. No.1 Rev.01 C635-CASE-011 PX-5800 / STYLUS PRO 3800 / 3800C / 3850 132 517 556 556 553 552 556 556 556 556 556 556 556 118 133 123 124 125 115 131 130 156 120 A1

Page 271 - Only numbered Service Parts

are available. Only numbered Service Parts No.2 Rev.01 C635-CASE-021 PX-5800 / STYLUS PRO 3800 / 3800C / 3850 160 113 122 163 162 (EHC ONLY) 157 134 155 152 154 153 119 143 144 145 147 148 149 128 152 117 116 165 122 129 121 114 B2 B1 C1

Page 277 - Only numbered Service Parts are available

Only numbered Service Parts are available No.8 Rev.01 C635-MECH-051 PX-5800 / STYLUS PRO 3800 / 3800C / 3850 111 507 568 559 525 561 X2 W1 Y1 X1

Page 278 - Circuit Diagrams

EPSON Stylus Pro 3800/3800C/3850 Revision A APPENDIX Circuit Diagrams 278 7.5 Circuit Diagrams The circuit diagrams of the EPSON Stylus Pro 3800/3800C/3850 circuit boards are shown on the following pages. Main Board 1 (C635 MAIN-1) Main Board 2 (C635 MAIN-2) Main Board 3 (C635 MAIN-3) Main B...