Page 2 - NOTICE; @Copyright 7994 by SEIKO EPSON CORPORATION
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 made accuracy of the contents of this manual. However, sh...
Page 3 - PRECAUTIONS; WARNING
PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1) personal injury and 2)damage to equipment. DANGER WARNING Signals a precaution which, if ignored, could result in serious or fatal personal injury.Great caution should be exercised in performing procedures precede...
Page 4 - PREFACE; Provides; The contents of this manual are subject to change without notice.
PREFACE This manual describes functions, theory of electrical and mechanical operations, maintenance, and repairof Stylus Color. The instructions and procedures included herein are intended for the experience repair technician, and attention should be given to the precautions on the preceding page. ...
Page 5 - REVISION SHEET; Revision; st issue
REVISION SHEET Revision Issue Date Page /Contents Rev.-A 27, 1994 1 st issue Rev.-B October 4, 1994 3-1 Change the WARNING contents Rev.-C November 30, 1994 3-3 Change the explanation for theupper case removal Rev.-D January 11, 1995 4-7 to 4-17 Incorporate the simple adjust method.
Page 6 - TABLE OF CONTENTS
TABLE OF CONTENTS CHAPTER 1. CHAPTER 2. CHAPTER 3. CHAPTER 4. CHAPTER 5. CHAPTER 6. APPENDIX PRODUCT DESCRIPTION OPERATING PRINCIPLES DISASSEMBLY AND ASSEMBLY ADJUSTMENTS TROUBLESHOOTING MAINTENANCE vi -
Page 7 - Table of Contents; FEATURES; Main Control Board
Chapter 1 Product Description Table of Contents FEATURES 1-1 1.2 SPECIFICATIONS 1-2 1.2.1 1.2.2 1.2.31.2.41.2.51.2.6 1.2.8 Printing Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Paper Handling Specifications. . . . . . . . . . . . . . . . . . . . . . . . ...
Page 9 - Stylus Color; Interface Card; The asterisk is a substitute for the
Service Manual Product Description 1.1 FEATURES The Stylus Color is a 64- + 48-nozzle (monochrome and CMY) color ink jet dot matrix printer that uses new ink jet technology to achieve high-quality, high-speed printing. The major features of this printer are: Highquality color printing as a result of...
Page 10 - color; On demand inkjet system; CharacterPitch
Product Description stylus color 1.2 SPECIFICATIONS This section provides statistical facts and other detailed intonation for the printer. 1.2.1 Printing Specifications Print system: On demand inkjet system Nozzle configuration: 64 nozzles x 4 staggered): Monochrome 4$ nozzles 3 staggered): Color Ye...
Page 11 - Character Tables; Italic; LQ fonts
Sty/us Co/or Service Manual Product Description Character sets: Legal and 14 international character sets. Character tables: See Table 1-3. Table 1-3. Character Tables Character Tables Standard Version NLSP* Version Italic o 0 PC437 (U.S./Standard Europe) 0 o PC850 (Multilingual) o 0 PC860 (Portugue...
Page 12 - Paper Handling Specifications; Notes: The following; Paper Specifications; Less than; Envelope printing is supported onfy at room temperature.
1.2.2 Paper Handling Specifications Feeding method: Friction feed paper is fed from the built-in auto sheet feeder (ASF). Notes: The following operations are not allowed. 1. Reverse feeding within 3 mm (O. 12in.) from the top edge of the paper or 16mm (0.63 in.) from the bottom edge of the paper. 2....
Page 13 - Envelope; Envelope
Stylus Color Service Manual Product Description Printable area: Cut sheet c (Right margin~ Printable area A (Top margin) D(Bottom margin) Figure 1-3. Printable Area for Cut Sheet Envelope B(Left margin) (Right margin) Printable area A(Top Figure 1-4. Printable Area for Note: A: The minimum top margi...
Page 14 - Lever Position; LEFT; Black; Ink freezes
Product Service Adjust lever setting: The adjust lever on the carriage unit must be to the proper position for the paper as shown m Table 1-6. Table 1-6. Adjust Lever Setting Lever Position Paper Paper Thickness LEFT Cut Sheet 0.08-0.11 mm (Vertical) (0.003 -0.004 in.) RIGHT (Horizontal) Envelope Le...
Page 15 - Item; Table 1-8. Acceptable Environmental Conditions; Description; For operating the; Range
Stylus Color Service Manual Product Description 1.2.5 Electrical Specifications Table 1-7. Rated Electrical Ranges Item I 120 V Version I 220-240 V Version Rated voltage 120 220-240 Input voltage range 103.5-132 V 198-264 V Rated frequency range 50-60 Hz 50-60 Hz Input frequency range 49.5 -60.5 Hz ...
Page 16 - Product; power on hour
Product 1.2.7 Reliability power on hour Total print volume: 75,0(X) pages Letter) Printhead life: 1$00 million 1.2.8 Safety Approvals Safety version: with D3, #950 with D3 version: EN 60950 SETI) Radio frequency interference version: FCC part 15 subpart B class B version: part 3, part 30) EN55022 PU...
Page 17 - INTERFACE SPECIFICATIONS
Stylus Service Manual Product Description 1.3 INTERFACE SPECIFICATIONS The Stylus Color is standard-equipped with an 8-bit parallel and serial interface. 1.3.1 Serial interface Specifications Data format: 8-bit parallel Synchronization: By STROBE pulse synchronization Handshaking: By BUSY and signal...
Page 18 - pin assignments and signal functions; Table 1-9. Signal and Connector Pin Assignments; column indicates the direction of the
Table 1-9 shows the pin assignments and signal functions of the 8-bit parallel interface. Table 1-9. Signal and Connector Pin Assignments Parallel Interface Pin No. Signal Name Description The STROBE pulse is used to read data from the host 1 STROBE I computer. The pulse width must 0.5 or more. Norm...
Page 19 - and; State; indicates the data flow as viewed from the
Service Product Description 1.3.2 Parallel Interface Specifications Data format: serial Synchronization: Asynchronous Handshaking: By signal and X-ON/X-OFF protocol Table 1-10. and Protocol State Buffer Space Busy Less than 512 bytes off X-OFF Ready More than 1,024 bytes On X-ON Word length Start bi...
Page 20 - This; operation; Buttons; Roman
Product 1.4 OPERATIONS This section describes the basic operations of the printer. 1.4.1 Control Panel The control panel for this printer has 1 lock type, 5 type push buttons, and 14 LED indicators for easy operation of the various printer functions. Buttons Operate Att Font Operate Data Out No Ink ...
Page 21 - Se; Product Description; Indicators
Se Product Description Indicators O p e r a t e when the printer is on. Blinks during power on and off sequence. D a t a when print data is in the input buffer. Data and Pause lights blink if an error occurs. Paper Out On when the printer is out of paper. Blinks when a paper jam occurs. No Ink Cartr...
Page 22 - You; Table 1-13. Characteristics of Print Direction Mode; Printing
Product 1.4.3 Default Settings The printer can save some printer setting parameters that define its functions at You can change these parameters by using the printer’s default setting mode. 1.4.3.1 Default Setting Items You can use the setting mode to change the settings listed in the table below. A...
Page 23 - will be changed as the button is pressed,
Stylus Color Service Manual Product Description 1.4.3.2 Changing the Default Settings To change the printer’s default settings: a. Hold down the Economy/Condensed button and turn on the printer. The printer pMts a sheet that shows the firmware version and describes how to select the language used to...
Page 24 - first menu after the
Description Table 1-17. Character Table Selection Version Settings Operate LED Data LED Italic U.S.A. off off Off Italic France On off Italic Germany Blinks off off Italic U.K. Off On off Denmark 1 On On Common off Italic Sweden Blinks On Italic Italy off Blinks Off Italic Spain 1 On Blinks oft Blin...
Page 25 - No Ink; Initialization; Software Initialization
Sty/us Color Service Product Description 1.4.4 Error Conditions The printer can detect the various errors and indicate them with the Table 1-18. Error Indications No Ink Error Data LED LED Paper out off On off off off off No ink cartridge off off On off off off Paper jam off Blinks off off off off M...
Page 26 - MAIN Board Component Layout
Product Color 1.5 MAIN COMPONENTS The main components of the Stylus Color are: Printer mechanism Main control board MAIN Board) Power supply Board) Control panel board Board) Housing 1.5.1 Main Control Board MAIN Board) The Main Control Board MAIN Board) consists of an CPU, E05A% gate array, a progr...
Page 27 - The; Component Layout
Stylus Color Service Manual Product Description 1.5.2 Power Supply Board Board) The Power Supply Board Board) consists of an switching regulator circuit. This board is equipped with a power switch to the secondary circuit. Thus, if the printer is turned off, it can continue to operate in order to ej...
Page 28 - Stylus; II; Case; Lower Case
Stylus 1.5.4 Printer Mechanism The printer mechanism is equipped with a 64-black and M-color on the carnage unit. Resolution of 720 dpi is possible with special (non-absorbent) paper. The ink system has both a black pump unit and a pump unit. Waste ink from each is made to flow into the individual c...
Page 29 - Chapter 2 Operating Principles; OPERATING PRINCIPLES OF THE PRINTER MECHANISM; Micro Absorbing Cleaning
Chapter 2 Operating Principles Table of Contents 2.1 OVERVIEW 2-1 2.2 OPERATING PRINCIPLES OF THE PRINTER MECHANISM 2“1 2.2.12.2.2 2.2.32.2.42.2.5 2.2.62.2.7 Printer Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Carriage Drive Mechanism . . . . . . ...
Page 30 - List of Figures; List of Tables; Table
2.4.2.4 Fail Absorbing Timer (Black, Head) . . . . . . . . . . . . .....2-31 2.4.2.5 Ink Level Counter R (On the RAM) (Monochrome = Rb, = Ry) . . . . . . . . . . . . . . . . . . . . .. ..2-31 2.4.2.6 CL Counter K (Monochrome = Kb, = Ky) . . . . . . . . . . . . . 2-32 2.4.2.7 CL2 Counter KK (Monochro...
Page 31 - OPERATING PRINCIPLES OF THE PRINTER MECHANISM; functional block diagram of the printer mechanism.; C o l o r B l a c k
Color Service Manual Operating Principles 2.1 OVERVIEW This section describes the operating of the printer mechanism and the electrical circuits of the Stylus Color. 2.2 OPERATING PRINCIPLES OF THE PRINTER MECHANISM The Stylus Color printer mechanism is composed of the printhead unit, paper feed mec...
Page 32 - Cartridge; Nozzle plate; supply tank
2.2.1 Printer Mechanism printer mechanism of this printer uses a inkjet system similar to the system used on all other EPSON ink jet printers. However, the in this system is redesigned to make it more and ensure a high level of reliability. figure below shows the structure of the and ink supply syst...
Page 33 - Principles of the Printing Operation; Normal; Figure 2-3. Principles of the Printing Operation
Stylus Color Service Manual Operating Principles Principles of the Printing Operation The operates in one of two modes to inject ink from each nozzle: ■ Normal state No electrical charge is applied to the (Multi-Layer element attached to the back of the cavity, and pressure inside the cavity is kept...
Page 34 - Ist; Final
The Stylus Color printer has a special printing mode, microwave mode, for printing raster graphics. This printing mode can be selected from the custom driver. Using the microwave mode can improve the quality of output because it tes the banding that can sometimes normal mode. In microwave mode, the ...
Page 35 - Table 2-1. Carriage Drive Motor Specifications; In the following table,; Motor
Stylus Color Service Manual Principles 2.2.2 Carriage Drive Mechanism The timing belt attached to the base of the carriage unit is driven by the carriage motor, causing the carriage unit to move along the carnage guide shaft left to right, or vice versa. The carriage drivemotor on this printer is a ...
Page 36 - Operating; Gap Adjust Lever Position; I Paper; Platen Gap Adjust; Figure; Drive; PPS
Operating Sty/us 2.2.2.1 Platen Gap Adjust Lever The platen gap adjust which is attached to the carriage unit, needs to be set to an appropriate for the thickness. To change the gap, put the printer in the PAUSE state, then the Font&& while holding button; the carriage unit moves the gap adj...
Page 37 - Frequency
Stylus Color Service Operating Table 2-5. Drive Terms Frequency Current Value (mA) Mode Constant Rush Hold Paper loading 1600 970/750 750 750 240 ASF feed 1600 970/750 750 750 240 Paper feed 391 - / - 970 240 Pump Drive 1 1800 1380/1380 1380 750 240 Pump Drive 2 300 - / - 1380 . 240 PF Pinch Roller ...
Page 38 - head; cleaning; Friction; Roller
2.2.4 Ink System This printer’s ink system is composed of the mechanisms: Ink cartridge ■ Pump mechanism ■ Cap mechanism ■ Waste ink drain tank ■ Wiping mechanism The figure below shows a diagram of the system. color head head , cleaning Blade (for . . . . . Friction ‘ /“ Figure 2-8. Ink System Bloc...
Page 39 - Pump Mechanism; Drive: Pump Mechanism; Drive: Switch Lever Set; Reset Lever
Stylus Service Operating 2.2.5 Pump Mechanism The paper feed motor drives the pump mechanism when the transmission gear is moved to the position where the paper feed motor disengages the pump mechanism gear trains, when thecarriage unit is at the ink system home position. The figure below shows a bl...
Page 40 - Switch; Reset
sty/us Paper Mechanism e - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Figure Paper Feed Mechanism Block Switch Reset Carriage DIE Lever I Figure 2-12. Reset Lever Reset 2-10 Rev. A
Page 41 - Operating Principles; PF Motor Rotational Direction
Co/or Service Operating Principles Table 2-6. Pump Mechanism Operation PF Motor Rotational Direction I Operation CW (forward rotation) (backward rotation) ■ Color absorption Color micro absorption ■ Color fail absorption ■ Wiper reset ■ Carriage lock reset ■ Monochrome absorption Monochrome micro ab...
Page 42 - Valve; Mechanism; Wiping Mechanism; Wiper Drive; Gear
2.2.6 Cap Mechanism The cap mechanism prevents the nozzles from drying or keeps bubbles forming inside the nozzle while the printer is not use. this operation automatically when print data is not received or when printer power turned off during the printing or ink system operations. (Since the power...
Page 43 - OPERATING PRINCIPLES OF THE ELECTRICAL CIRCUITS; Circuit; Voltage
Color Service Manual Principles 2.3 OPERATING PRINCIPLES OF THE ELECTRICAL CIRCUITS The Stylus Color contains the following circuit board units: ■ C137MAIN Board (Main control circuit board) ■ C137PSB/PSEBoard (Power supply circuit board) ■ (Control panel board) In addition to the circuit boards abo...
Page 44 - stylus; figure below shows a block diagram of the power supply circuit; the; I It; Diagram; If the voltage
stylus The figure below shows a block diagram of the power supply circuit switch is equipped with a that allows the CPU to remain active a while after the printer is turned off. This to to the capping position after power has been turned off. The CPU that is the board always monitors the PSC @/ ~ If...
Page 45 - Operating Principles of the Main Control Circuit; Figure 2-18. Main Control Circuit Block Diagram
Sty/us Color Service Manual Operating Principles 2.3.2 Operating Principles of the Main Control Circuit The main control circuit of this printer is the C137 MAIN board. This circuit is controlled by the 16-bit CPU (ICI), running at 14.7456 MHz. This CPU has a unique architecture capable of handling ...
Page 46 - RES; Circuit Block Diagram; HP; ANO; Sensor Circuit Block Diagram
Principles Sty/us 2.3.2.1 Reset Circuits The MAIN board contains 2 reset circuits: the monitor reset circuit and the monitor reset circuit. The monitor reset circuit monitors the voltage of the using reset and outputs a reset signal to the gate array when the voltage level drops below The monitor re...
Page 47 - Carriage Motor Drive Circuit; and speed; DATA A; NPN Tr; Figure 2-21. Carriage Motor Circuit Block Diagram; Mode; Vref
Sty/us Manual Operating Principles 2.3.2.3 Carriage Motor Drive Circuit The carriage motor drive outputs a constant current to drive the carriage motor for the printer mechanism. Gate array E05A96EA decides the motor phase and speed and then sends a signal to the carriage motor driver using the 4-bi...
Page 48 - The following figure shows the contents of the 4-bit serial; data and how these data are transacted; by the; Phase; Figure 2-22. Serial Data Transfer Procedure
The following figure shows the contents of the 4-bit serial data and how these data are transacted by the driver. The step time of the reference voltage is determined by the interval time of the strobe pulse. +5 -------------------- -------------------- ------------ Voltage Selection Circuit (Phase ...
Page 49 - Paper Feed Motor Drive Circuit; Paper feed mechanism; Paper feed; Figure 2-23. Paper Feed Motor Drive Circuit Diagram
Color Manual Operating Principles 2.3.2.4 Paper Feed Motor Drive Circuit The paper feed motor for this printer drives the following mechanisms: ■ Paper feed mechanism ■ Paper pickup mechanism ■ Pump mechanism Driver SLA7041MS drives the paper feed motor by a constant current. The operation principle...
Page 50 - Drive Circuit; drive; color head drive circuit. Then, head driver; When data; Drive Circuit Block Diagram
Operating Principles Drive Circuit The pnnthead drive circuit for this printer is composed of the following two parts: ■ Common drive circuit (trapezoidal drive pulse generation) Head drive circuit (nozzle control theprinthead) The W-bit thermal head driver in the head drive circuit on the carriage ...
Page 51 - Controller; A C K; Controller Operation; Memory
Stylus Service Manual Operating 2.3.2.6 Controller Data from the host computer is received automatically by the signal via the external Centronics interface. The data is input into the input buffer on the D-RAM At this time, detects the rising edge of the external signal and outputs the (strobe requ...
Page 52 - D-RAM Refreshment Controller; H8 CPU is; This CPU can; Read Cycle; L W R
2.3.2.7 D-RAM Refreshment Controller The H8 CPU is with a the refresh controller into the internal This CPU can contact the 16-bit D-RAM which is a 2 type. The fallowing table lists the method between the H8 CPU and the 2 Table 2-10. Junction Method DRAM) CPU 2 D-RAM * The method of the D-RAM is onl...
Page 53 - INK SYSTEM MANAGEMENT
Stylus Co/or Service Manual Operating Principles 2.4 INK SYSTEM MANAGEMENT This section explains how the ink system is system and to ensure high-quality output. operations: ■ Power On ■ ■ Cleaning Selection ■ ■ Micro Absorbing Cleaning ■ Power Off ■ Print Start ■ ■ Refresh ■ ■ Standby ■ Fail Absorbi...
Page 54 - Principles; There are various ink operations that can be; Classification; performs the flushing operation.
Principles 2.4.1 Ink Operations There are various ink operations that can be selectively by the printer. 2.4.1.1 Power On Operation This operation is performed when power is turned on. There are four separate sequences of steps,depending on the following 1. The carriage position at the printer power...
Page 55 - Cleaning Selection Mode; Performs the interval micro absorbing operation.
Stylus Color Service Manual Operating Principles No Ink Cartridge Mode: 1. Sets the LED to indicate no ink cartridge. 2. The printer enters the PAUSE status. Note: The flushing operation is driven nozzles at 7.2 KHz, and is performed when the carriage is stopped. 2.4.1.2 Cleaning Selection Mode This...
Page 56 - Out of; Figure 2-31. Power Off Operation Classification; Sets the
Stylus 2.4.1.3 Micro Absorbing Cleaning Operation Thi S operation prevents an increase in the viscosity of the ink inside the printhead by the ink absorbing discharge. 1. Performs the wiping operation 1. 2. Sets the disengage gear (pump unit drive). 3. Performs the ink absorbing operation (micro abs...
Page 57 - Standby Operation; the’ ink
Service Operating Principles 2.4.1.6 Refresh Operation operation prevents an increase in the viscosity of head ink. This operation is activated by the signal that occurs automatically every 2 seconds (blackhead) or 7 seconds (color head). If 3 seconds elapses after an signal, this operation is perfo...
Page 58 - Moves the carriage to the carriage replacement position.; sequence of steps performed after the; Ink cartridge in after exchange; Figure 2-32. Ink Cartridge Replacement Classification
2.4.1.9 Ink Cartridge Replacement Operation operation is the pressed for 3 seconds; the carriage then moves to the ink cartridge position. 1. When paper is loaded, ejects the paper; if paper age 2. Moves the carriage to the carriage replacement position. 3. The printer enters the exchanging state. (...
Page 59 - Service; Wiping Operation; Performs the
Sty/us Service 2.4.1.10 Wiping Operation This operation eliminates dust from the nozzle plate before performing the ink absorption. 1. Moves the carriage to the wiping start position. 2. Sets the wiper.3. Moves the carriage to the wiping end position. 4. Resets the wiper. 5. Moves the carriage to th...
Page 60 - Performs the fail absorbing; Resets the carriage lock.; Operation; Moves the carriage to the flushing position and; carriage to the
2.4.1.15 Micro Absorbing Operation When the cartridge is removed, it is possible a small amount of air to small air bubbles that can block the ink from the nozzle. This operation eliminates small air bubbles from the cavity of the printhead. 1. Performs the fail absorbing 2. the micro absorbing oper...
Page 61 - Timer (Monochrome and; Absorbing; Timer
Stylus Color Service Manual 2.4.2.2 Timer (Monochrome and Head) This timer eliminates an increase in the viscosity of the ink inside the or tes the air bubbles that can block the cavity of the This timer confirms the time up from the EEPROM when the printer is turned on. (Time Up Interval: 10 days.)...
Page 62 - Protect Counter; Power On
Color 2.4.2.6 CL Counter K (Monochrome = Kb, Ky) This counter selects the cleaning mode according to the value of the CL counter K and the counter The CL K when the cleaning operation is and it resets where The printer power turns m. ■ The cleaning operation is performed. ■ The ink cartridge is repl...
Page 63 - Chapter3 Disassembly and Assembly; Precautions; DISASSEMBLY AND ASSEMBLY; MAIN; CR
Chapter3 Disassembly and Assembly Table of Contents 3.1 OVERVIEW 3-1 3.1.1 Precautions for Disassembling the Printer. . . . . . . . . . . . . . . . . . . . . . . . 3-1 3.2 DISASSEMBLY AND ASSEMBLY 3-2 3.2.1 Upper Case Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 64 - OVERVIEW; Precautions for Disassembling the Printer; precautions below when disassembling the printer.
Stylus Service Manual Disassembly and Assembly 3.1 OVERVIEW This section describes the procedures for disassembling the main components of this printer. Unless otherwise specified, the disassembled unit or components can be reassembled by reversingthe disassembly procedure. Therefore no assembly pro...
Page 65 - DISASSEMBLY AND ASSEMBLY
Disassembly and Stylus Color Service 3.2 DISASSEMBLY AND ASSEMBLY precautions Section 3.1.1 when disassembling the printer. , section consists of the subheads shown in the diagram below. See the exploded view of the printer in the Appendix, if necessary. START Upper Case Removal 3.2.1 Page 3-3 Power...
Page 66 - Upper Case Removal; Control Panel; Removal; Hold the upper
Disassembly and Assembly Stylus Color Service Manual 3.2.1 Upper Case Removal 1. Remove the printer cover by releasing the 2 tabs holding it to the upper case. 2. Remove the paper support by releasing the tabs to the case. Remove the paper guide move the carriage to the center while you pressing the...
Page 68 - Grounding Plate
3.2.3 Main Controller MAIN Board) Removal 1. Remove the uppercase. (See Section 2. Remove the grounding plate from the shield plate. 3. Remove the 4 screws securing the shield plate to the lower case. 4. Remove 2 screws securing the Type-B interface cover to the case. Grounding Plate ,....,,, - 2) F...
Page 69 - from
Disassembly and Assembly Stylus Color Service 5. Discomect the cables from the connectors CN5, CN9, CN1O, and of the MAIN board. ■ When you replace main board, initialize the contents as follows; 1) Reassemble the printer. Turn the ON while hold down [Font], and [Pause] buttons on control panel. ■ i...
Page 70 - screws and take out the printer mechanism.; lower case
Stylus Color service Manual Disassembly and Assembly 3.2.4 Printer Mechanism Removal 1. Remove the uppercase. (See 2. Remove the power supply unit. (See section 3.2.2.) 3. Remove the main controller. (See section 3.2.3.) 4. Remove 4 screws and take out the printer mechanism. ■ Wipe off any ink aroun...
Page 71 - Unit Removal; unit to the home position.; Pull the ink cartridge
D i s a s s e m b l e Stylus Color Service Manual 3.2.5 Printer Mechanism Disassembly The procedures described in this section explain how to remove the components within the printer mechanism. 3.2.5.1 Unit Removal 1. Remove the printer mechanism. (See section 3.2.4.) 2. Move the carnage to the midd...
Page 72 - Head; Nose; When removing the color
Stylus Color Service Manual Disassembly and Assembly CBB(P)(M3X11) I ) Black Head , Figure 3-8. Black or Color Head Removal I Nose (For Black Head) Figure 3-9. Head Spacer Position When removing the color do not lose spacer is fixed each head. This spacer the angle error occurs manufacturing. Also, ...
Page 73 - frame toboth side frames.
Disassembly and Stylus Color service 3.2.5.2 Carriage Unit Removal 1. Remove the printer mechanism. (See section 3.2.4.)2. Move the carriage to the left side of the printer while pressing the hook that fixes the carriage to the home position. 3. Remove the 2 CBN (0) screws frame toboth side frames. ...
Page 74 - Pump Unit Removal; screw securing the pump unit to the bottom frame.
Stylus Color Manual 3.2.5.3 Pump Unit Removal 1. Remove the printer mechanism. (See section 3.2.4.) 2. Remove (See 3. Remove the CBN screw securing the pump unit to the bottom frame. 4. Push the pump unit outward while releasing the tab at the bottom side of the pump unit, and then lift up the pump ...
Page 75 - Cleaner Head Replacement; Use tweezers to unhook the
Disassembly and Assembly Stylus Color Service 3.2.5.4 Cleaner Head Replacement 1. Remove the printer mechanism. (See section 3.2.4.) 2. Use tweezers to unhook the from the cleaning roller. Cleaning Roller Cleaner Head / Figure 3-13. Cleaner Head Replacement the cleaner head clean extremely important...
Page 76 - CR Motor Removal; PF Motor Removal; screws and then remove the PFmotor.
3.2.5.5 CR Motor Removal 1. Remove the printer mechanism. (See section 3.2.4.) 2. Release the timing belt. (See section 3.2.5.2.) 3. Remove the 3 screws securing the CR motor to the upper frame, and then remove the CR motor. Figure 3-14. CR Motor Removal 3.2.5.6 PF Motor Removal 1. Remove the printe...
Page 77 - Carriage Home Position Sensor Removal; the sensor cable from the; Sensor Cable; Figure 3-16. Carriage Home Position Sensor Removal; Remove; Bottom Frame
Disassembly and Assembly Stylus Color Manual 3.2.5.7 Carriage Home Position Sensor Removal 1. Remove mechanism. (See section 3.2.4.) 2. the sensor cable from the home position sensor. 3. Unhook the 3 notches securing the carriage home position sensor to the upper frame. Then remove the carriage home...
Page 78 - Stylus Color Service; Paper Feed Roller; Assembly Removal; Remove the tension wire; Tension Spring; Tension Roller Assembly; Figure 3=18. Tension Roller Assembly Removal; Paper; Feed Roller Assembly; Figure 3-19. Paper Feed Roller Assembly Removal
Stylus Color Service Manual and 3.2.5.9 Paper Feed Roller Assembly Removal 1. Remove the printer mechanism. (See section 3.2.4.) 2. Remove the carriage unit. (See section 3.2.5.2.) 3. Remove the pump unit. 4. Remove the tension spring holding the tension roller assembly to the sub frame. 5. Remove t...
Page 80 - Chapter 4 Adjustments; Internal; B - H e a d A n g l e a n d
Chapter 4 Adjustments Table of Contents 4.1 OVERVIEW 4-1 4.1.1 4.1.2 4.1.34.1.44.1.54.1.64.1.74.1.8 Destination Data Writing Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bi-D (Bidirectional Printing) Alignment Adjustment . . . . . . . . . . . . . . . . . . Head Gap Adjustmen...
Page 81 - Adjustments; assembled after repair.; perform the cleaning operation; Work Contents; Head gap
Co/or Adjustments 4.1 OVERVIEW This section describes the adjustments that are required when the printer is disassembled and assembled after repair. this printer has both the black head and color head, it needs new adjustments not required previous printers. Perform the suitable adjustments by refer...
Page 83 - (Bidirectional Printing) Alignment Adjustment; Head Angle Confirmation Pattern Printing; R e v
Color Service Adjustments 4.1.2 (Bidirectional Printing) Alignment Adjustment The bidirectional alignment is required when the printer mechanism, the MAIN board, or the printhead (board) is replaced. By perfo this adjustment, a compensation value is determined to compensate for the deviation in the ...
Page 84 - returns you to the main menu.; Head Gap Adjustment; line
Adjustments 4.1.3 Head Gap Adjustment (Black and Color head) The head gap printing alignment adjustment is required when the printer mechanism, the MAIN board, or the (board) is or disassembled. This adjustment adjusts the head drive between the black head and the head. If adjustment is not made, th...
Page 85 - Head Angle Adjustment; I I I; I n
Stylus Color Service Adjustments 4.1.4 Black Head Angle Adjustment The black head angle adjustment is required when the black head is replaced or disassembled. If this adjustment is not correct, the white banding problem might occur or the color head timingmight not match the black head timing. The ...
Page 86 - Figure 4-4. Black Head Angle Adjustment Sample; under the right linear spacer. The replacement procedure; Replace the right spacer
Adjustments Service Manual 1. Connect the PC to the target printer and turn the printer on. 2. Execute BASIC on the PC and run the program 1. Destination Setting 2. Head Angle Pattern Printing (Head Front/Rear Vertical Position Printing) 3. Head Front/Rear Vertical Position Confirmation 4. Head Gap ...
Page 87 - pressing the carriage lock lever, and remove
Adjustments Stylus Color 7. 8. 9. Turn the printer power off at once.Move the carriage to the center pressing the carriage lock lever, and remove the two ink cartridges.Remove the rubber cap that covering a head screwat a side of color inkcartridge and then do not remove) three screws. (Refer to fig...
Page 88 - cartridges. Use the BASIC program to; perform; this adjustment by changing the angular spacer.; Angular; Angular Replacement Position); Replacement Method
Stylus Color Manual Adjustments After replacing the angular spacer, reassembly the ink cartridge holder and reinstall the ink cartridges. Use the BASIC program to head angle. Confirm the angle condition by re-performing the step 1 to and if the angle condition is wrong you must perform this adjustme...
Page 89 - Head Vertical Adjustment; Conception; color head vertical adjustment is based upon the black head angle.; Figure 4-9. Spacer Linear Selection Sample
Adjustments Stylus Color Service 4.1.5 Black - Color Head Vertical Adjustment adjustment adjusts the vertical position between the head and the color head. (Join the top nozzle of both the nozzle of the black head the nozzle of the color head.) This adjustment can be made only by using the linear sp...
Page 90 - current; re-use the old ink cartridges for otherpurposes.
I Stylus Color service Manual Adjustments 4. In Figure 4-8, the vertical position is correct when both the magenta line and the black line are aligned [as in position OK (0)]. If the vertical position is correct, turn off the printer.If the black and magenta lines are not aligned, perform the vertic...
Page 91 - Change the spacer Iinear(monochrome head only; Push
Adjustments Stylus Color Service Manual 8. Change the spacer Iinear(monochrome head only X 2 pieces) to new one with referring the figure below. (Replace spacer linear while using the tweezers to push the base head toward the rear.) Carriage Unit 9. 10. o 1 Push Head Base — Angular Spacer Platen Gap...
Page 92 - Angle and Spacer Angular Position; based on the color head angle adjustment.; Angle Confirmation Sample
Stylus Color service Manual Adjustments 4.1.6 Color Head Angle Adjustment The color head angle adjustment is required when the color head is replaced or disassembled. If this adjustment is not correct, the white banding problem occurs or the black head timing willnot match the color head timing. The...
Page 93 - Since the color head is not equipped with; Angular Spacer; Spacer; Figure 4-14. Relationship of the Shape and Thickness; The replacement procedure is explained beginning in step 5.; Turn off the printer at once.
Adjustment Stylus Color Service Manua/ The angular spacer for the color head come in five thicknesses, each having its own shape. The following figure shows the relation of the shape and the thickness level. Since the color head is not equipped with a linear spacer, the angle adjustment is decided o...
Page 95 - When you complete this adjustment, turn off the printer.
Adjustment Stylus Color Service Manual 9. 10. 11. Rerun the BASIC program and choose the “Head Angle Confirmation Pattern” by entering “2” from the keyboard, then verify that the confirmation sample is correct. I II Carriage Unit Color Head u [ I Base Head I t Figure 4-17. Spacer Angular Replacement...
Page 96 - Move the carriage unit manually onto the thickness gauge.; Gap between head nose and gauge surface; Narrow; Cw; Spread; Ccw
Stylus Color Service Manual Adjustments 4.1.7 Platen Gap Adjustment This adjustment is required when replacing or removing the carriage unit from the printer mechanism. The distance between the printhead nose and the paper surface should be adjusted to 1.1 mm. 1. Attach the thickness gauge (marketin...
Page 97 - When
Adjustments Stylus Color Service Manual 6. Move the carnage manually to the right adjust position and repeat steps 3 and 4, referring to Figures 418 and 419. 0.04 mm Thickness Carriage Roller \ \ I G A P I l l Gauge Front Frame I Figure 4-19. Confirming the Gap 4.1.8 Internal Timer Reset Operation T...
Page 98 - UNIT LEVEL TROUBLESHOOTING
Chapter 5 Troubleshooting Table of Contents 5.1 OVERVIEW 5-1 5.2 UNIT LEVEL TROUBLESHOOTING 5 - 3 5.2.1 Printer does not operate at power on . . . . . . . . . . . . . . . . . . . . . . . . . . .5.2.2 Error is detected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 99 - Flowchart
Stylus Color service Manuel Troubleshooting 5.1 OVERVIEW The printer may exhibit different symptoms for the same problem, which makes troubleshooting more difficult. This section, however, provides simple and effective ways to facilitatetroubleshooting. The following flowchart illustrates the main s...
Page 100 - Recovery; ink; the new ink cartridge
Troubleshooting Stylus Color Service Manual Table 5-3. Error Codes LED Error status Recovery Paper No ink Econo Condesed pause DATA out cartridge my Paper out On Load paper and press Pause and Load/Eject buttons. No ink on Install the new ink cartridge and cartridge press the Pause button. Load pape...
Page 101 - flowchart that corresponds to the problem.; Symptom
Stylus Color Service Manual Troubleshooting 5.2 UNIT LEVEL TROUBLESHOOTING When a problem occurs, you can identify the defective unit according to the symptoms exhibited. The table below lists the symptoms of certain problems. Once the problem is identified, refer to the flowchart that corresponds t...
Page 102 - Troubleshooting; Printer does not operate at power on; END
Troubleshooting 5.2.1 Printer does not operate at power on ● START Replace fuseand disconnectCN5 on the MAIN board. No NO I Check the output of the YES a t I I I YES Replace the MAIN board. END board. ----- Rev. A
Page 103 - Error is detected; NC; ND
Stylus Co/or service Manual Troubleshooting 5.2.2 Error is detected START Identify the type of error indicated.(See Table 5-3.) Turn the printer NO NO Replace the ink cartridge with a new one. I NO NC Replace the waste ink absorbingmaterial, and reset protect counter. (See I Check CR motorand driver...
Page 104 - during printing
5.2.3 Failure during printing START I Run the N o I , (see Seethe the I N o Check motors, drivers, and shorts. If they are OK, replace the C137 MAIN board. I END END Rev. A
Page 105 - Printer does not feed the paper correctly; YEs
Stylus Color Service 5.2.4 Printer does not feed the paper correctly Load the paper YES I NO I Check the PF motor and drivers. If OK, replace the C137MAIN board, I I Verify that the paper path is clear. Also that there are no foreignobjects that may interfere with paper movement. NO YES YEs NO END R...
Page 106 - Control panel operation is abnormal; NO; Replace the
5.2.5 Control panel operation is abnormal START YES NO Replace the control panel. NO Replace the YES / END Rev.
Page 107 - Color Service; BOARD; section describes the problems related to the power supply board
Color Service 5.3 UNIT REPAIR - BOARD This section describes the problems related to the power supply board The table below provides various symptoms, likely causes, and checkpoints. The checkpoints refer to waveforms, resistance, and other values to be checked to evaluate the operation of eachcompo...
Page 108 - MAIN BOARD; table
- - 5.4 UNIT REPAIR - MAIN BOARD This the problems related to the main board The table below provides various symptoms, likely causes, and checkpoints. checkpoints refer to waveforms, resistance, and other values to be checked to evaluate the operation of each component. Table 5-6. Repair of the MAI...
Page 110 - Any; problems; to; s h o u l d b e r e p a i r e d; Repair of the; solution; lodged
5.5 UNIT REPAIR -PRINTER MECHANISM (M-4A1O) Any problems related to printer s h o u l d b e r e p a i r e d troubleshooting in Table Table 5-7. Repair of the Mechanism Symptom Condition cause solution Foreign drive the gear The pump The PF motor substances are mechanism to lodged in the gear pump me...
Page 111 - Co/or service Manual
Co/or service Manual Table 5-7. Repair of the Printer Mechanism (Cont.) Condition I Cause I Checkpoint I Solution I Symptom The head cable is Check whether the head Reconnect the disconnected. cable is disconnected. head cable. is The head cable is Replace the head cable to Replace the carriage defe...
Page 113 - PREVENTIVE MAINTENANCE; AND ADHESIVE
Chapter 6 Maintenance Table of Contents 6.1 PREVENTIVE MAINTENANCE 6-1 6.2 SERVICE MAINTENANCE 6-2 6.2.1 Printhead Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26.2.2 Waste Ink Drain Tank Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 114 - Outer case
Stylus Service 6.1 PREVENTIVE MAINTENANCE Although this printer is designed so that no specific maintenance is required on a regular basis, it isrecommended that you clean the printer thoroughly whenever you get a chance to do so. You canclean: Outer case Use a soft, clean cloth, dampened with mild ...
Page 115 - SERVICE MAINTENANCE; when the; or when a decline m print; Cleaning; Turn the printer on
6.2 SERVICE MAINTENANCE Certain maintenance is required when the printer detects an error or when a decline m print quality is observed. 6.2.1 Cleaning If print quality deteriorates, dean the using the built-in cleaning function. The printer also has an automatic cleaning cycle to ensure the proper ...
Page 116 - Maintenance; Type; Adhesive; Table 6-2. Lubrication and Adhesive Points; Lubrication/Adhesive Point; Extreme point of shaft securing sub frame assembly; Gearing point of the complex gear; malfunction of the mechanism.
Maintenance 6.3 LUBRICATION AND ADHESIVE The printer must be lubricated properly when the printer is disassembled for component replacement, or if the mechanical noise exceeds a certain level. EPSON recommends only the lubricants listed in table below for this printer, both of which have been tested...
Page 119 - Appendix; CONNECTOR SUMMARY; EXPLODED DIAGRAM; Table A-1 1. Connector Pin Assignments –
Appendix Table of Contents CONNECTOR SUMMARY A-3 CIRCUIT DIAGRAM A-7 CIRCUIT BOARD COMPONENT LAYOUT A-13 EXPLODED DIAGRAM A-16 List of Figures Figure A-1. Interconnection of Major Components . . . . . . . . . . . . . . . . . . . . . . A-2 Figure A-2. MAIN Board Circuit Diagram (1) . . . . . . . . . ...
Page 120 - A.1 CONNECTOR SUMMARY; The figure below shows the; PNL; Printer Mechanism; Components
Stylus Color service Appendix A.1 CONNECTOR SUMMARY The figure below shows the between the major components of the Stylus Color. AC Input P a r a l l e l Type B Parallel R S - 4 2 2 S e r i a l Option Board only) z PrintheadUnit z Black MAIN Color PNL z . . . . . . . . . z HPSensor r PE Figure A-1. ...
Page 121 - PS board; Strobe
Table A-1. Connector Summary MAIN 36 36 Type B 8 (JPN only) 6 Power from PS board 5 carriage motor phase output 5 motor output 2 Paper end 3 Carriage home position sensor 20 Control panel (to 22 Black head nozzle selector &common 22 Color head nozzle selector &common driver 2 AC inlet (L/N) ...
Page 122 - Pin
Stylus Color service Manual Appendix Table A-3. Connector Pin Assignments - CN2 Pin 1-6 7 8 9 10 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 - 2 4 2 5 - 2 8 2 9 - 3 6 Pin 1 2 3 4 5 6 7 8 1 Pin 1 3 , 6 7 1 0 3 5 , 37,4{,67,69 2 , 4 5 8 9 , 3 9 , 46,44,42,40, 38,36,34,32 30,28,26,24 ‘ ‘ 25,23,21,19, 17,15,13,1...
Page 123 - Connector; Pin Assignments
Appendix A-6. Connector Pin Assignments Pin Name Description Power scan signal 2,3 Head common driver for common drive circuit 4-6 Ground I for Table A-7. Connector Pin Assignments - Pin Description 0 Phase A drive signal 2 0 CR/A Phase /A drive signal 3 0 Phase B drive signal 4 0 Phase /B drive sig...
Page 125 - Color Service Manual
Color Service Manual LED - m l - ’ - l - l I — — 1161 ‘ 3 LED I O , LED I 2 L ED I 3 2 ’ I?” 6 — n cl ’ 1 2 C 1 3 7 1 2 0 1 4 1 5 5 0 0 Figure A-9. C137 I I — — I I — N — I Component Layout Rev. A A-15
Page 127 - A p p e n d i x; PSB Board Circuit Diagram
A p p e n d i x 1 m I I 1 w x . . 1 1 z Figure A-4. PSB Board Circuit Diagram A-1 O Rev. A
Page 128 - Color service Manual; PSE Board Circuit Diagram
Color service Manual .. I I I 0 I I I I r o I ( I Figure A-5. PSE Board Circuit Diagram A-n
Page 129 - RM; PNL Board Circuit Diagram
Appendix Sty/us Color CN 1 NO O O L L A T Sw + 5 C2 0.1 u I - 9 + 5 R 8 3 0 0 2 L E D 1 6 R 7 3 0 0 — QE c1 I 9 3 0 0 1 8 3 0 0 17 a RM 300 P 6 300 1 5 300 1 4 @LED 3 R 2 300 13 R 300 300 ED5 R6 300 o 7 Figure A-6. PNL Board Circuit Diagram A-12 Rev. A
Page 130 - A.3 CIRCUIT BOARD COMPONENT LAYOUT; Figure A-7. C137 MAIN Board Component Layout
Sty/us Co/or Service Manual Appendix A.3 CIRCUIT BOARD COMPONENT LAYOUT 2 o 0 m e ! , Figure A-7. C137 MAIN Board Component Layout Rev. A A-13
Page 131 - A p p e n d x
A p p e n d x .... Figure A-8. C137 PSB/PSE Board Component Layout A-14 Rev. A
Page 132 - EPSON OVERSEAS MARKETING LOCATIONS; del Vanes; EPSON
EPSON OVERSEAS MARKETING LOCATIONS EPSON AMERICA, INC. EPSON 20770 Madrona Avenue, 6,4000 11 Box 2842 Germany Torrance, CA 90509-2842 Phone: 0211-56030 Phone: (800) 922-8911 Fax : 0211-504-7787 Fax: (310) 782-5220 EPSON UK LTD. EPSON FRANCE 100, Maylands Avenue, 68 bis, rue 92300, Hemel Herts. Franc...
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