Epson 440 Service Manual

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[Page 1] Epson Stylus Color 440

EPSON COLOR INK-JET PRINTER EPSON Stylus Color 600 SERVICE MANUAL SEIKO EPSON CORPORATION 4007367 ...

[Page 2] Epson Stylus Color 440

ii NOTICE All rights reserved. Reproduction of any part of this manual in any form whatsoever without SEIKO EPSON’s express written permission is forbidden. The contents of this manual are subjects to change without notice. All efforts have been ma...

[Page 3] Epson Stylus Color 440

iii PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1) personal injury and 2) damage to equipment. WARNING Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution sho...

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iv PREFACE This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of EPSON Stylus Color 600. The instructions and procedures included herein are intended for the experience repair technician, and atte...

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v REVISION SHEET Revision Issued Data Contents Rev. A First issue ...

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vi TABLE OF CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 2. OPERATING PRINCIPLES CHAPTER 3. DISASSEMBLY AND ASSEMBLY CHAPTER 4. ADJUSTMENT CHAPTER 5. TROUBLESHOOTING CHAPTER 6. MAINTENANCE APPENDIX ...

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Chapter 1 Product Descriptions 1.1 Features................................................................................................................1-1 1.2 Specifications........................................................................

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Chapter 1 Product Description Rev. A 1-1 1.1 Features EPSON Stylus Color 600 is designed for low price for that high performance. The major printer features are; High color print quality 1440(H) x 720(V) dpi printing Standard 4 color printing (CMY+Bk...

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EPSON Stylus Color 600 Rev. A 1- 2 1.2 Specifications This section describes the product specifications for EPSON Stylus Color 600. 1.2.1 Printing Specification Print method On-demand color ink jet printing Nozzle configuration Black: 64 nozzles ...

[Page 10] Epson Stylus Color 440

Chapter 1 Product Description Rev. A 1- 3 Paper Feeding Method Friction feed with built in ASF (Auto Sheet Feeder) Line Spacing 1/6 inch or programmable at 1/360 inch Paper Path Top entry (from ASF) only Feeding Speed 66.6 ms (at 1/6 inch line-feed)...

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EPSON Stylus Color 600 Rev. A 1- 4 Control Code ESC/P2 and expanded raster graphics code EPSON Remote command Character Tables Legal and 14 international character sets Standard version: 11 character tables (See Table 1-4 for details) NLSP version: ...

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Chapter 1 Product Description Rev. A 1- 5 1.2.2 Paper Specification This section describes the types of paper that can be used in this printer. 1.2.2.1 Cut Sheet [Size] :A4 [Width 210mm (8.3”) x Length 297mm (11.7”)] :Letter [Width 216mm (8.5�...

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EPSON Stylus Color 600 Rev. A 1- 6 1.2.3 Adjust Lever Settings (PG adjust lever) The adjust lever located on the right side (blue knob) under the printer cover needs to be set to the proper position according to the paper you print (Refer to the ta...

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Chapter 1 Product Description Rev. A 1- 7 1.2.4 Printable Area 1.2.4.1 Cut Sheet Following tables show printable areas at Character mode and Raster Graphics mode. Paper size PW (Paper width) (typ.) PL (Paper Length) (typ.) LM (Left margin) (min.) R...

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EPSON Stylus Color 600 Rev. A 1- 8 1.2.4.2 Envelope The table and figure below show the printable area for envelopes. Paper Size LM (Left Margin) (min.) RM (Right Margin) (min.) TM (Top Margin) (min.) BM (Bottom Margin) (min.) #10 3mm (0.12”) 28mm...

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Chapter 1 Product Description Rev. A 1- 9 1.2.5 Environmental Condition Temperature Operating :10 - 35•• (Refer to the figure below for condition) Non-operating :-20 - 60•• (with shipment container) Note) Storage should be within one month a...

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EPSON Stylus Color 600 Rev. A 1-1 0 1.2.6 Ink Cartridge Specifications 1.2.6.1 Black Ink Cartridge Item Specifications Type Black Ink Cartridge (Code: S020093) Color Black Print capacity 540 pages / A4 (ISO/IE10561 Letter Pattern at 360 dpi) Valid...

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Chapter 1 Product Description Rev. A 1-11 1.2.6.2 Color Ink Cartridge Item Specifications Type Color Ink Cartridge(Code: S020089) Color Magenta/Cyan/Yellow Print capacity 300 pages / A4 (360 dpi, 5% duty each color) Validity 2 years (sealed in packa...

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EPSON Stylus Color 600 Rev. A 1-1 2 1.2.7 Physical Specification [Dimension] :429mm(W) x 234mm(D) x 162mm(H) :429mm(W) x 695mm(D) x 309mm(H) with extended stacker and paper support. [Weight] :5.2Kg 695mm (Max) 429mm 309mm Figure 1-8. Dimension ...

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Chapter 1 Product Description Rev. A 1-1 3 1.2.8 Electric Specification [120V] Version [Rated voltage] :AC120V [Input voltage range] :AC103.5 - 132V [Rated frequency range] :50 - 60Hz [Input frequency range] :49.5•`60.5Hz [Rated current] :0.4A(Ma...

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EPSON Stylus Color 600 Rev. A 1-1 4 1.2.13 Printer Language and Emulation Printer Language :ESC/P2 :EPSON Remote ESC/P control codes General Operation: Initialize Printer : ESC @ Unidirectional Printing : ESC U CSF Mode Control : ESC EM Paper feedi...

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Chapter 1 Product Description Rev. A 1-1 5 Bit image: Bit Image :ESC* Graphics: Graphics Mode :ESC (G Raster Graphics :ESC. Microweave control :ESC (i Dot size control :ESC (e Horizontal Position :ESC (\ Printing Speed :ESC(s Printing mode: Printin...

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EPSON Stylus Color 600 Rev. A 1-1 6 1.3 Interface This printer provides both parallel and serial interface as standard. 1.3.1 Parallel Interface (Forward Channel) [Transmission mode] :8 bit parallel, IEEE-1284 compatibility mode [Synchronization] :...

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Chapter 1 Product Description Rev. A 1-1 7 1.3.2 Parallel Interface (Reverse Channel) [Transmission mode] :IEEE-1284 nibble mode [Synchronization] :Refer to the IEEE-1284 specification [Handshaking] :Refer to the IEEE-1284 specification [Data trans...

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EPSON Stylus Color 600 Rev. A 1-1 8 Following lists “Notes” when using Parallel Interface. “ Return GND pin” in the table means twist pair return and is used for all control signals except for Logic H,+5V, Chassis, GND and NC. In this ...

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Chapter 1 Product Description Rev. A 1-1 9 [Signal level: TTL compatible (IEEE-1284 level 1 device)] Parameter Minimum Maximum Condition VOH* --- 5.5V VOL* -0.5V --- IOH* --- 0.32mA VOH = 2.4V IOL* --- 12mA VOL = 0.4V CO --- 50pF VIH --- 2.0V VIL 0....

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EPSON Stylus Color 600 Rev. A 1-2 0 1.3.3 Serial Interface [Standard] :Based on RS-423 [Synchronization] :Synchronous [Bit Rate] :Approx. 900Kbps [Handshaking] :X-ON/X-OFF, DTR Protocol [Word Format] :Data Bit = 8 bits :Parity Bit = None :Start Bit...

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Chapter 1 Product Description Rev. A 1-21 1.4 Control Panel Since EPSON Stylus Color 600 does not require many buttons since printer driver can start various settings and motions. Therefore, there are only 2 non-lock type push switches, 1 lock type ...

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EPSON Stylus Color 600 Rev. A 1-2 2 1.4.2 Panel Functions •q Panel Functions •r Switch Function Load/Eject (Pushing within 0.5 seconds*) Loads or Eject the paper. When the carriage is on the Ink Cartridge change position, return the carriage f...

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Chapter 1 Product Description Rev. A 1-2 3 By performing a particular setting mode, Maintenance error can be cleared and certain addresses of EEPROM can also be reset. Maintenance Error Clear [Step 1] Turn the printer on while holding down Load/Ejec...

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EPSON Stylus Color 600 Rev. A 1-2 4 1.5 Error Status When following status occur, the printer goes to the error status and stops taking data, setting the /ERROR signal in the interface as “Low”, and Busy signal as “High”. At this time, the p...

[Page 32] Epson Stylus Color 440

Chapter 1 Product Description Rev. A 1-2 5 1.5.4 No Ink-Cartridge Error Following reasons can be the causes when printer goes this error mode. When the printer is turned on for the first time. (This is a normal error state and it returns to the nor...

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EPSON Stylus Color 600 Rev. A 1-2 6 1.6 Printer Initialization EPSON Stylus Color 600 has three kinds of initialization methods. Following explains each initialization. Power-on initialization This printer is initialized when turning the printer po...

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Chapter 1 Product Description Rev. A 1-2 7 1.7 Main Components EPSON Stylus Color 600 has following major units. Also, it is one of the major characteristics that the bottom of the Printer mechanism plays the role as lower case at the same time. Upp...

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EPSON Stylus Color 600 Rev. A 1-2 8 1.7.2 C200 MAIN Board The C200 MAIN board controls whole mechanism operations and a data processing operation. Most of the functions of the circuit are integrated into single ASIC; E05B43YA (IC2) and this makes t...

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Chapter 1 Product Description Rev. A 1-2 9 1.7.3 C206 PSB/PSE Board The C206 PSB/PSE board is a switching regulator type power supply unit and constantly supplies stable logic and power voltages to the printer mechanism and the main control board. ...

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Chapter 2 Operating Principles 2.1 OVERVIEW ............................................................................................................2-1 2.1.1 Printer Mechanism......................................................................

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Chapter2 Operating Principles Rev. A 2-1 2.1 OVERVIEW This section describes Printer Mechanism, electric circuit board (C206 PSB, C200 Main, C206PNL board) of Stylus Color 600. 2.1.1 Printer Mechanism Unlike previous EPSON Ink Jet printers, printer ...

[Page 39] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2- 2 2.1.1.1 Printing Mechanism Basic principles of the print head which plays major role of printing mechanism is the same as previous models; on demand type MACH head method, but there is some difference in the resolu...

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Chapter2 Operating Principles Rev. A 2- 3 2.1.1.1.1 Printing Process Following figures indicate the sectional drawing of normal state and ejecting state of print head. (1) Normal State: When the print signal is not output, PTZ also does not move in ...

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EPSON Stylus Color 600 Rev. A 2- 4 2.1.1.1.2 Printing Method This section explains printing method of actual printing such as printing text at various resolution select/printing mode and graphics printing. In order to prevent white or color banding ...

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Chapter2 Operating Principles Rev. A 2- 5 Note2) Two groups which are divided according to each elements will be divided either even dot or odd dot when particular lines(level direction line) are formed and eventually, these lines will be completed ...

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EPSON Stylus Color 600 Rev. A 2- 6 The difference between Full-Overlap Micro-Weave and Part line Overlap Micro-Weave are following; Full-Overlap Micro-Weave: Printing is performed, judging if nozzles are even or odd dot by 2 different dots with all ...

[Page 44] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2- 7 2.1.1.2 Carriage Mechanism Carriage mechanism is to drive the carriage with print head mounted from left to right or vice versa. The carriage drive motor in this printer is a 4-phase, 200-pole, stepping moto...

[Page 45] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2- 8 The table below shows W1-2 phase drive sequence at each steps when the rotor of carriage motor makes one rotation. In the Stylus Color 600, in addition to a function that printing is performed with W1-2 drive phase...

[Page 46] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2- 9 The figure below shows carriage mechanism. The print head as a core of the printing mechanism is stored in the carriage unit. This print head keeps the tilt of print head in flexible and adjustable structure...

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EPSON Stylus Color 600 Rev. A 2-1 0 2.1.1.2.1 Platen Gap Adjust Mechanism and Parallel adjustment Mechanism This mechanism can be set by the users and can prevent various problems related to low image density or print with any dirt by changing the ...

[Page 48] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-11 2.1.1.3 Paper Feed Mechanism and Pump Mechanism Mechanisms that send the paper in the hopper to inside the printer and perform constant paper feed in order to perform printing on the sent paper are called pa...

[Page 49] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2-1 2 Papers on the ASF (auto-sheet-feeder) supplied by the user are carried to the printer inside by paper pick up sequence. Unlike the previous models, ASF of Stylus Color 600 has mufti feed prevention mechanism. F...

[Page 50] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-1 3 In the paper pick up mechanism of Stylus Color 600, same mechanism as Stlylus Color IIs/820 are applied. This mechanism changes adjoined lines of gear by colliding trigger lever with carriage unit and conv...

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EPSON Stylus Color 600 Rev. A 2-1 4 2.1.1.4 Ink System Ink system mechanism consists of 1)cap mechanism, 2)pump mechanism, 3)carriage lock mechanism, 4)waste ink absorber and 5)ink sequence. Out of these mechanism, from 1) to 4) are physical mechani...

[Page 52] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-1 5 2.1.1.4.1 Pump, Carriage Lock, Head Cleaner Mechanism In the Stylus Color 600, there is no switch or mechanism to change over the pump/paper feed mechanism. Therefore, whenever the paper feed/pump motor ro...

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EPSON Stylus Color 600 Rev. A 2-1 6 The table below shows PF/Pump motor rotational direction and pump system operation. T able 2-11. Relationship Between Pump Motor Rotation and Pump Operation PF/Pump motor rotational direction Pump unit operation C...

[Page 54] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-1 7 2.1.1.4.2 Cap Mechanism In the cap mechanism, in order to prevent ink from being thickened on the head surface, it is controlled that the head surface stays adherent to the rubber frame of the cap surface w...

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EPSON Stylus Color 600 Rev. A 2-1 8 2.2 Electrical Circuit Operating Principles Stylus Color 600 contains the following four electric circuit boards. C206 PSB/PSE board C200 Main board Head Driver board C206 PNL board C206 PSB/PSE, C200 board are e...

[Page 56] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-1 9 2.2.1 C206 PSB/PSE Power Board C206 PSB/PSE board is a power supply board with a RCC switching regulator, which generates +42VDC for drive part and +5VDC for logic part to drive the printer. One of the maj...

[Page 57] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2-2 0 The C206 PSB/PSE board has various control circuits to stop output if malfunction on the power supply board, on the main board or on the duty of printer mechanism happen. Following explains each control and protec...

[Page 58] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-21 2.2.2 C200 Main Board Various DC voltage generated on the C206 PSB/PSE board is added various signals in order to drive the printer function on the C200 main board, and the drive of CR/PF(Pump) motor and pri...

[Page 59] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2-2 2 Timer Data: The timer IC that uses lithium battery as power source monitors how long the power is off. When the power is turned on, it is changed to appropriate cleaning level according to the time that the power ...

[Page 60] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-2 3 2.2.2.1 Reset Circuits The reset circuit prevents the CPU from running away, which is caused by the unstable voltage in the logic line during the power ON/OFF. Also, this circuit monitors level of power vol...

[Page 61] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2-2 4 2.2.2.2 Sensor Circuits The following sensor circuits are mounted in the Stylus Color 600 and selects appropriate operations based on the returned information. ASF Sensor: An ASF sensor detects the position of ret...

[Page 62] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-2 5 2.2.2.3 EEPROM Control Circuits The EEPROM of Stylus Color 600 has following contents. Gate array E05B43(IC2) controls operations of reading data when the power is on and writing data when the power is off...

[Page 63] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2-2 6 2.2.2.4 Timer Circuit The lithium battery is mounted on the C200 main board and calculates how long the printer is not in used. The timer IC(IC10) starts counting with oscillation motivated by the CR3 using this b...

[Page 64] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-2 7 2.2.2.6 Print Head Control Circuit The print head control circuit of Stylus Color 600 has following characteristics. Common waveform circuit became one HIC. Micro-vibration mode is added.(when the CR motor...

[Page 65] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2-2 8 [Nozzle Selector Drive Circuit] In order to motivate the print head to carry out printing, it is necessary to transmit the print data to the appropriate nozzles, which becomes direct signals to drive PZT. This dat...

[Page 66] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-2 9 After the data transmission by the nozzle selector(IR2C72C, IR2C73C) is completed and a certain time passes, trapezoidal wave form generated by the common drive circuit once sends electric current to the PZ...

[Page 67] Epson Stylus Color 440

EPSON Stylus Color 600 Rev. A 2-3 0 2.2.2.7 PF(Pump) Motor Drive Circuit IC15(UDN2917) is used for driving PF(Pump) motor. In the IC, Bi-pola drive PWM current control type is performed, making it possible to provide stable current to each phase of...

[Page 68] Epson Stylus Color 440

Chapter2 Operating Principles Rev. A 2-31 2.2.2.8 CR Motor Drive Circuit In the CR motor, the same UPD2917(IC14) as the PF motor has used. In the IC, Bi-pola drive PWM current control type is performed, making it possible to provide stable current t...

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Chapter 3 Disassembly and Assembly 3.1. OVERVIEW ...........................................................................................................3-1 3.1.1. Precautions for Disassembling the Printer.........................................

[Page 70] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-1 3.1 OVERVIEW This section describes procedures for disassembling the main components of EPSON Stylus Color 600. Unless otherwise specified, disassembly units or components can be reassembled by reversing ...

[Page 71] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3- 2 3.1.2 Specification for Screws Table 3-1 lists the abbreviation of screws and its use. Refer to the screw number in the following table to identify the type of screw shown in the disassembly procedu...

[Page 72] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3- 3 3.1.4 Work Completion Check If any service is made to the printer, use the check list shown below, to confirm that all works are completed properly and the printer is ready to return to the user. Categ...

[Page 73] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3- 4 3.2 DISASSEMBLY AND ASSEMBLY This section describes the step-by-step disassembly procedures shown in the diagram below. Housing Removal Section 3.2.1 Circuit Boards Removal Section 3.2.2 Control Pan...

[Page 74] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3- 5 3.2.1 Housing Removal Since the EPSON Stylus Color 600 has no lower housing as previous EPSON printers, the printer mechanism can be taken out by only removing the upper housing. 1. Open the printer...

[Page 75] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3- 6 3.2.2 Circuit Boards Removal The electric circuit boards of the printer (Main control circuit board: C200 MAIN / Power supply circuit board: C206 PSB/PSE) are both installed on single metal chassis ...

[Page 76] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3- 7 REQUIRED ADJUSTMENT Be sure to perform the following adjustments when the C200 MAIN board is replaced: 1) VH Voltage value writing (Refer to Chapter 4 / Section 4.2.2.3.) 2) Printhead Angle Adjustment (...

[Page 77] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3- 8 3.2.3 Control Panel Removal 1. Remove the upper housing (Refer to Section 3.2.1) 2. Remove 2 screws (No.1) and remove the control panel assembly from the printer mechanism and disconnect the flat...

[Page 78] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3- 9 3.2.4 Waste Ink Pad Assembly Removal 1. Removing the upper housing (Refer to section 3.2.1) 2. Removing the control panel assembly (Refer to section 3.2.3) 3. Remove 1 screw (No.4) at the right-hand...

[Page 79] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3-1 0 3.2.5 Disassembling the Printer Mechanism This section describes the procedures for removing the main components consisting the printer mechanism. 3.2.5.1 Printhead Removal 1. Removing the upper...

[Page 80] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-11 REQUIRED ADJUSTMENT When you remove or replace the printhead unit, be sure to perform the following adjustments: 1) Ink Initial Charge Operation (Refer to Chapter 4 / Section 4.2.2.2.) 2) VH Voltage Writ...

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EPSON Stylus Color 600 Service Manual Rev. A 3-1 2 3.2.5.2 Pump Assembly and Cap Assembly Removal 1. Removing the upper housing. (Refer to Section 3.2.1) 2. Removing the control panel assembly. (Refer to section 3.2.3) 3. Removing “Waste Ink P...

[Page 82] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-1 3 CAP ASSEMBLY PUMP ASSEMBLY Loosen screw and lift up the exit frame Unhock the cap assembly Remove 2 screws and unhook the hooks to remove the pump assembly Figure 3-10.Cap Assembly Removal CLEANER, HEA...

[Page 83] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3-1 4 3.2.5.3 CR Motor Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Rotate “Gear, 67.2” (largest gear at the left-hand side of the printer mechanism) toward the front...

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Chapter 3 Disassembly and Assembly Rev. A 3-1 5 The projections of motor assembly must locate inside the holes Figure 3-13. CR Motor Removal ...

[Page 85] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3-1 6 3.2.5.4 PF Motor Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Removing “Waste Ink Pad Assembly”. (Refer to section 3.2.4) 3. By referring the figure below, rem...

[Page 86] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-1 7 MOTOR, ASSEMBLY, PF (behind the frame) Cable Direction Put the motor shaft once in a larger holde then slide it to a smaller hole Figure 3-15. PF Motor and Frame ...

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EPSON Stylus Color 600 Service Manual Rev. A 3-1 8 3.2.5.5 ASF Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Remove the locking pin from center of “GEAR, 34” and remove “GEAR, 34” from the shaft. 3. Unhook t...

[Page 88] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-1 9 SHAFT, FIXING, CR [CBS with washer] The projections of ASF must be in these holes GEAR, 34 Figure 3-16. ASF Assembly Removal ...

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EPSON Stylus Color 600 Service Manual Rev. A 3-2 0 3.2.5.5.1 ASF Disassembly 1. Removing the ASF. (Refer to section 3.2.5.5) 2. Remove “TWIST SPRING, 41.2” by unhooking one end from the ASF frame and remove “LEVER, BRAKE”. 3. Remove “B...

[Page 90] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-21 3.2.5.5.2 Pick-Up Roller Assembly Removal 1. Disassemble the ASF and separate “PICKUP, ROLLER ASSEMBLY” and “HOPPER, ASSEMBLY”. (Refer to section 3.2.5.5.1) 2. Remove “COMPRESSION SPRING,...

[Page 91] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3-2 2 3.2.5.6 Carriage Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Push “HOLDER, PULLEY, DRIVEN” inward to loosen the timing belt and detach the timing belt from th...

[Page 92] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-2 3 Carriage Assembly BUSH, PARALLEL ADJUST, LEFT BUSH, PARALLEL ADJUST, RIGHT LEVER, PG, SUB Spring Washer (Convex side must be facing the bush) SHAFT, CR, GUIDE Figure 3-20. Carriage Assembly Removal ...

[Page 93] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3-2 4 3.2.5.7 PF Roller Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Removing the carriage assembly (Refer to section 3.2.5.6) 3. Remove 2 screws (No.1) at the top of me...

[Page 94] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-2 5 PAPER GUIDE, LEFT (6 pieces) SHAFT, PAPER GUIDE, UPPER TWIST SPRING, 117.6 GUIDE PLATE, CABLE PAPER GUIDE, ASSEMBLY, UPPER Figure 3-22. ROLLER, ASSEMBLY, PAPER EXIT Removal PAPER GUIDE, FRONT;B ROLLER,...

[Page 95] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 3-2 6 3.2.5.8 PE Sensor Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. From the front side of the mechanism, unhook two hooks fixing “SENSOR, ASSEMBLY, PE” to the 3. ...

[Page 96] Epson Stylus Color 440

Chapter 3 Disassembly and Assembly Rev. A 3-2 7 3.2.5.9 HP Sensor Assembly Removal 1. Removing the upper housing. (Refer to section 3.2.1) 2. Detach the cable from the sensor and remove it by unhook it from the frame. SENSOR, HP CR MOTOR Figure...

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Chapter 4 Adjustment 4.1. OVERVIEW ...........................................................................................................4-1 4.1.1. Required Adjustments............................................................................

[Page 98] Epson Stylus Color 440

Chapter 4 Adjustment Rev. A 4-1 4.1 OVERVIEW This section describes the procedure for adjustments required when the printer is disassembled and assembled for repair. 4.1.1 Required Adjustments Table 4-1 lists all the adjustments required with this p...

[Page 99] Epson Stylus Color 440

EPSON Stylus Color 600 Service Manual Rev. A 4- 2 4.2 Adjustments This section describes the detail procedure of each adjustment. 4.2.1 Paper Gap Adjustment The paper gap is a distance between nozzle surface of the printhead unit and a paper surfac...

[Page 100] Epson Stylus Color 440

Chapter 4 Adjustment Rev. A 4- 3 Left "PAPER GUIDE, FRONT;B" Right (HP side) Rib: Avoid 2ribs from left Carriage Assembly [Thickness Gauge] Rib: Avoid 1 rib at right end "ROLLER, ASSEMBLY, PF" "PAPER GUIDE, FRONT;B" *Pu...