SERVICE MANUAL Color Inkjet Printer EPSON STYLUS COLOR 480 ® SEIJ00002
Notice o 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, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. o All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
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 DANGER Headings. WARNING Signals a precaution which, if ignored, could result in damage to equipment.
About This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON Stylus Photo 720 / Stylus Photo EX3. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. Contents This manual consists of six chapters and Appendix. CHAPTER 1.PRODUCT DESCRIPTIONS Provides a general overview and specifications of the product.
Symbols Used in This Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action. Be aware of all symbols when they are used, and always read WARNING, CAUTION or NOTE messages. W A R N IN G Indicates an operating or maintenance procedure, practice or condition that, if not strictly observed, could result in injury or loss of life.
Revision Status Revision Rev. A Rev. B Issued Date Description May, 11 2000 First Release 18, July 2000 * Page 72: Fig 4-2, Fig 4-3 was revised due the change of the top housing securing screw number. * Page 76: Fig 4-11, Fig 4-12 was revised due to the addition of the Front Housing (Stacker Guide.) * Page 139: The Exploded diagram was changed with new figure. The Front Housing (Stacker Guide) was added in the Exploded diagram. * Page 141: Ref.
Product Description Overview....................................................................................................... 10 Features .................................................................................................. 10 Basic Specification ....................................................................................... 11 Printing Specification............................................................................... 11 Paper Specification ..............................
Paper feed roller removal ........................................................................ 91 CR unit removal....................................................................................... 93 Disassembling ASF frame unit ................................................................ 96 Adjustment Overview..................................................................................................... 100 Required Adjustment..............................................................
CHAPTER PRODUCT DESCRIPTION
EPSON Stylus COLOR 480 Revision B 1.1 Overview Stylus Color 480 is developed newly for the low end product and realize a high quality graphic printing with the low price. 1.1.1 Features Major features of this printer are as follows; o High quality color printing n 720dpi (H) x 720 dpi(V) dpi printing. n MACH technology (4 color printing. YMCK) n Micro wave, Super micro wave printing n Multi-Shot & Variable dot printing o Control panel less Host computer controls the printer.
EPSON Stylus COLOR 480 Revision B 1.2 Basic Specification PRINTING DIRECTION o Bi-direction with logic seeking 1.2.1 Printing Specification PRINTING SPEED PRINTING METHOD o Character mode: Refer to the table below o On demand ink jet Table 1-1. Character mode: black only NOZZLE CONFIGURATION o Black: 48 nozzles x 1 row o Color: 45 nozzles x 1 row 15 nozzle is assigned for each 3 colors in the one row.
EPSON Stylus COLOR 480 Revision B CONTROL CODE 1.2.2 Paper Specification o ESC/P for Stylus Color 480 CUT SHEET o EPSON Remote command n Size: A4 (210 x 297 mm) Letter (216 x 279 mm) B5 (182 x 257 mm) Legal (216 x 356 mm) Statement (139.7mm x 215.9mm) Executive (190.5 x 254 mm) PAPER FEED SPECIFICATION o Feeding Method: Friction feed with ASF o Paper Path: Cut sheet ASF (Top entry - Front out) o Line Interval: Programmable by 1/6 inch or 1/360 inch o Paper Feed Speed: 271.9ms 10 ms (10.
EPSON Stylus COLOR 480 Revision B TRANSPARENCY, GLOSSY PAPER n Size C A U T IO N A4 (210mm x 297mm) Letter (216mm x 279mm) n Use above mentioned paper at normal temperature. n n n n n n Thickness 0.075mm to 0.085mm n Quality (temperature = 15 to 25%, humidity = 40 to 60% RH) No wrinkled, scuffing, torn or folded paper be used. No curled paper more than 5mm be used. No paper with glue on flap be used. No double envelops nor with window envelops be used. Do not print on the back.
EPSON Stylus COLOR 480 SPECIAL PAPER Revision B n Iron-ON Transfer Paper A4 (210 x 297 mm) Letter (216 x 279 mm) Paper type: EPSON exclusive paper n Photo Quality Ink Jet Paper A4 (210 x 297 mm) A6 (105 x 148 mm)* B5 (182 x 257mm) Letter (216 x 279 mm) Legal (216 x 356 mm) 5 x 8” (127 x 203 mm)*1 8 x10” (100 x 148 mm)*1 n Matte Paper A4 (210 x 297 mm) Letter (216 x 279 mm) n High Quality Normal Paper A4 (210 x 297 mm) NOTE: *1): Set the enclosed loading support sheet as the last sheet in the ASF.
EPSON Stylus COLOR 480 Revision B 1.2.3 Printable Area LM RM CUT SHEET Refer to the following table. As for the each margin area, refer to the Figure 1-3 TM Table 1-3.
EPSON Stylus COLOR 480 Revision B ENVELOP (PRINTABLE AREA) Refer to the following table. RM/TM BK Bottom Margin(*1 ) Color Bottom Margin (*1,*2) 28mm 3mm 14 mm or more than 3 mm 21mm or more than 3mm 279mm 7mm 3mm 14 mm or more than 3 mm 21mm or more than 3mm 257mm 3mm 3mm 14 mm or more than 3 mm 21mm or more than 3mm Paper Size Paper Width Paper Length LM #10 241mm 104.
EPSON Stylus COLOR 480 Revision B 1.2.
EPSON Stylus COLOR 480 Revision B 1.2.6 Input Data Buffer o Buffer: o Power consumption: Approx. 21W (ISO/IEI 10561 Letter pattern) Approx. 5.5W in standby mode Energy star compliant o Insulation Resistance: 10 M ohms min. (between AC line and chassis, DC 500V) o Dielectric Strength: AC 1500 V rms. 1 minute o Leak Current: less than 0.75mA (input: 276V/60Hz) 16Kbytes 1.2.7 Electric Specification 120V VERSION o Rated voltage: AC 120V o Input voltage range: AC 99 -132V 1.2.
EPSON Stylus COLOR 480 Revision B 1.2.11 CE Marking (for 220V - 240V) o Low Voltage Directive 73/23/eec : ENN60950 o EMC Directive 89/336/EEC EN55022 Class B EN61000-3-2 EN610000-3-3 EN50082-1 IEC801-2 IEC801-3 IEC801 -4 : : : : (%) 80 55 1.2.12 Environmental Conditions 20 TEMPERATURE 10 o Operating: 10 to 35°C (Refer to Figure 1-7) o Non-operating: -20 to 60°C (with shipment container) 1 month at 40°C 120hours at 60°C 35 (”C) tmphumid Figure 1-7.
EPSON Stylus COLOR 480 C A U T IO N Revision B n When non-operating, make sure the printhead is capped. n When transporting, make sure the printhead is capped and keep the ink cartridge mounted on the printer. n Under the power OFF condition, if the printhead is not capped, turn ON the printer after installing the ink cartridge, and turn off the printer after the capping has completed. n If the printer kept under -40°C, the ink inside the printhead and inside the ink cartridge will be frozen.
EPSON Stylus COLOR 480 Revision B 1.3 Interface Specification Table 1-6. Connector Pin Assignment and Signals (F-Channel) Pin No. This printer has IEEE-1284 parallel interface and USB interface as standard. Return GND Pin Signal Name From Function Description 11 29 BUSY Printer A high signal indicates that the printer cannot receive data. The signal becomes high under the condition below; -Receiving data. -Error. -Other I/F receiving data.
EPSON Stylus COLOR 480 Revision B 1.3.2 IEEE-1284 Parallel I/F (Reverse Channel) Reverse channel is used to transfer the information data from the printer side to the PC side. The connector pin assignment is described in the table below. For these signals described in the table, use the twist pair wire and connect the return side to the signal GND. Table 1-8. Connector Pin Assignment and Signals (F-Channel) Table 1-7.
EPSON Stylus COLOR 480 Revision B Table 1-9. IEEE1284 Timing Chart Following lists “Notes” when using the parallel interface. Parameter Minimum Maximum tsetup 500ns -- thold 500ns --- tstb 500ns --- o Refer to the timing chart for transmission timing of each signals. tready 0 --- o Do not perform data transmission ignoring -ACK or BUSY signals.
EPSON Stylus COLOR 480 Revision B 1.3.3 EEE1284.4 Protocol The packet protocol described by IEEE1284. 4 standard allows a device to carry on multiple exchanges or conversations which contain data and /or control command with another device at the same time across a single point-to-point link. The protocol is not, however. a device control language. It dose provide basic transport-level flow control and multiplexing services.
EPSON Stylus COLOR 480 Revision B 1.3.4 Miscellanea 1.3.5 Panel-less control & Status Indication 1.3.4.1 Receive Data Buffer Full Operation On this product, the control panel is not assembled in. So, Printer driver utility (STM39 allows to control the printer operation instead of the Control panel and indicates the printer status include the several errors. Generally, hosts abandon data transfer to peripherals when a peripheral is in busy state for dozens of seconds continuously.
EPSON Stylus COLOR 480 Revision B o Paper out Error o Fatal Error When the paper is not loaded correctly from the ASF to the PF roller, this error is displayed on the STM3. When the general error has occurred, this error is displayed on the STM3. For example, circuit damage, motor damage...etc. Figure 1-11. Paper out error indication Figure 1-13.
EPSON Stylus COLOR 480 Revision B o Communication Error 1.3.5.2 Status Monitor 3 function When the printer can no t communicate with PC, this message is displayed on the STM3. STM3 in the Printer driver utility allows to perform the following functions. o Nozzle Check Pattern printing The printer prints the nozzle check pattern and the 6 digits code of the firmware version & 6 digits code of the CPU Mask version.
EPSON Stylus COLOR 480 Revision B 1.3.6 Initialization The printer have 3 types of initialization. The initialization operations executed by each initialization method are described below. HARDWARE INITIALIZATION This printer initializes itself when it is turned power on or printer recognized the Reset command (D4 command). On this initialization, following actions are performed.
EPSON Stylus COLOR 480 Revision B 1.4 Physical Specification DIMENSIONS n Stylus Color 480: 431 mm (W) x 311mm (D) x 271mm (H) (Printing) ( 311mm 271mm 431mm Figure 1-16. Stylus Color 480 Dimensions WEIGHT n Stylus Color 480: Product Description 3.
EPSON Stylus COLOR 480 Revision B 1.5 Consumables and Options CONSUMABLE The consumable for this printer are following; Table 1-11. Consumables Classification No. Name S020187 Ink Cartridge (black) S020193 Ink Cartridge (color) Consumables ENCLOSED PARTS The following parts are enclosed in the Production. Table 1-12.
CHAPTER OPERATING PRINCIPLES
EPSON Stylus COLOR 480 Revision B 2.1 Overview This section describes the operating principles of the printer mechanism and electrical circuit boards. The Stylus COLOR 480 has only the following two circuit boards and dose not have control panel: o Main board: C367MAIN-B (or C367MAIN) *1 o Power supply board: C367 PSB/PSE NOTE: *1): C367MAIN board is used for the product in the first mass production and it will be changed to C367MAIN-B board at an early date.
EPSON Stylus COLOR 480 Revision B 2.1.2 Printhead Head Driver Board The printhead uses a new developed U-CHIPS head and Stylus COLOR 480 can perform multiple shot printing and variable printing. Printhead nozzle configuration is as follows.
EPSON Stylus COLOR 480 Revision B 2.1.2.1 Printing Process 2.1.2.2 Printing Method This section explains the process in which the printheads of On-Demand inkjet printers eject ink from each nozzle. For print dot system, Stylus COLOR 480 has the following two kinds of printing modes. 1. Normal State: When no printing signal is sent from PC, or no PZT drive voltage is applied, PZT does not change shape, therefore PZT does not squeeze the cavity. Ink pressure inside the cavity is kept normal.
EPSON Stylus COLOR 480 Revision B 2.1.3 Carriage Mechanism The carriage mechanism consists of Carriage motor (CR motor), Carriage unit (including printhead), CR timing belt, CR guide shaft, CR guide frame, CR home & I/C detector (HP/PE/IC sensor) etc. The carriage mechanism moves the carriage back and forth according to the drive from the carriage motor. The following stepping motor is mounted to drive CR mechanism. (See the table below.
EPSON Stylus COLOR 480 Revision B 2.1.4 Paper Feeding Mechanism Table 2-2. PF Motor Specifications The paper feeding mechanism consists of Paper feed motor (PF motor), PF roller, Paper eject roller, Star wheel roller, and so on. The paper feeding mechanism feeds paper loaded from ASF using the PF roller and Paper Eject Roller & Star wheel roller. For this mechanism, the PF motor mentioned in the right Table 2-2 is used on this product.
EPSON Stylus COLOR 480 Revision B 2.1.5 Paper Loading Mechanism (ASF Unit) o Transfer the PF motor drive to LD roller The Paper loading mechanism is positioned at the printer rear. The Paper loading mechanism loads paper at the ASF unit and feeds paper to the PF roller. This ASF unit was designed newly for this product and consists of LD roller, Pad holder (Paper return plate), ASF Frame, Hopper, and so on.
EPSON Stylus COLOR 480 Revision B o Clutch Mechanism Unlike the previous products, this product dose not have a ASF HP sensor. Instead of the ASF HP sensor, Change lever and the Clutch mechanism are used to detect the ASF home position. Following figures describe the mechanism. NOTE: Step1 Spur gear 35.2 Change Lever Step3 Step2 Clutch gear LD roller shaft Tension spring 0.143 The Clutch gear is molded on the back side of the Spur gear 35.2 such as Combination gear.
EPSON Stylus COLOR 480 Revision B Following figures show you the ASF paper loading sequence and the operation of the each mechanism. Step 1 Step 2 LD roller Hopper LD roller shaft Paper return plate When the paper is advanced with the PF roller, Change lever push down the Clutch lever as right figure and the Clutch lock tooth is disengaged from the Clutch gear. As the result, the drive from the PF motor is interrupted and the LD roller dose not rotate. This position is the ASF home position.
EPSON Stylus COLOR 480 Revision B 2.1.6 Ink System Mechanism Table 2-4. PF motor rotational direction & Ink System Mechanism Directions Functions Ink system mechanism consists of pump unit (include the CR lock lever) and capping mechanism. Ink system mechanism drives the pump unit that presses cap to the printhead and ejects ink from ink cartridge, head cavity and cap to the waste ink pad. Counterclockwise (*1) • Sets the wiper. • Absorbs ink by the pump unit • Set the CR lock lever 2.1.6.
EPSON Stylus COLOR 480 Revision B 2.1.6.2 Capping Mechanism 2.1.7 Ink Sequence The capping mechanism covers the printheads with the cap holder to prevent the nozzle from increasing viscosity when the printer is in stand-by mode or when the printer is off. This product has valveless cap system. Air valve function used for the previous models pumps and ejects ink only inside the cap by absorbing ink with the valve open.
EPSON Stylus COLOR 480 Revision B n CL2 o Flashing - Ink absorption Black Ink: 0.51ml, Color Ink: 0.51ml This printer performs the following two kinds of the Flashing for the following purpose. n Periodical Flashing -Wiping operation Wipes nozzle plate by the rubber part on the right half of the wiper.
EPSON Stylus COLOR 480 Revision B 2.1.8 Printing mode Table 2-6. Printing mode for Black mode The print resolution and printing method are determined automatically by setting the media type and print quality (It is able to set by slider bar) in the printer driver as following table. Following table show you the detail setting in the “Auto” mode.
EPSON Stylus COLOR 480 Revision B 2.2 Electrical Circuit Operating Principles The electric circuit of the Stylus COLOR 480 consists of the following boards. o Main board: C367MAIN-B Board (C367MAIN Board*1) o Power supply board: C367 PSB/PSE Board The power supply boards of Stylus COLOR 480 use a RCC (Ringing Chalk Converter) circuit, which generates +42VDC for drive line and +5VDC for logic line to drive the printer. The application of the output voltage is described below. Table 2-7.
EPSON Stylus COLOR 480 Revision B + 4 2 V D C + 5 V D C The output voltage line is monitored by ZD52,ZD87.
EPSON Stylus COLOR 480 Revision B 2.2.2 C367MAIN-B Board 2.2.2.1 Main elements The printer mechanism is controlled by C367MAIN-B. On this MAIN board, 3.3V regulator IC is not mounted and all IC is driven with 5.0 V. See Figure for the C367MAIN-B board block diagram. Table 2-8 shows the function of the each main elements on C367MAIN-B.
EPSON Stylus COLOR 480 Revision B o Head common driver circuit 2.2.2.2 Printhead Driver Circuit The printhead drive circuit consists of the following two components: n Head common driver circuit (Common driver IC7 & Wave amplifier transistor Q1, Q2) n Nozzle selector IC on the printhead driver board. The common driver (IC7) generates a reference drive waveform according to the output signals from the CPU (IC1).
EPSON Stylus COLOR 480 Revision B 2.2.2.3 PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit 2.2.2.4 CR Motor Driver Circuit The motor driver IC (IC9) on the MAIN board drives PF motor. This product uses 4phase 48-pole hybrid type stepping motor and performs constant current bi-polar drive. The motor driver IC (IC8) on the MAIN board drives PF motor. This product uses 4phase 48-pole hybrid type stepping motor and performs constant current bi-polar drive.
EPSON Stylus COLOR 480 Revision B 2.2.2.5 Reset Circuit 2.2.2.6 EEPROM Control Circuit Reset circuits consist of the rest IC (IC6). Reset circuits are mounted on the MAIN board to monitor the two voltages: +5V for the logic line and +42V for the drive line. When each circuit detects abnormality on the corresponding line, it outputs a reset signal to reset CPU (IC1). This function is necessary to prevent the printer from operating abnormally.
EPSON Stylus COLOR 480 Revision B 2.2.2.7 Sensor Circuit The block diagram for the sensor circuit is shown below C367MAIN-B is equipped with the following two sensors to detect the status of the printer. Unlike the previous product, ASF HP sensor is not equipped on the ASF and the ASF HP is determined with the clutch mechanism (2.1.4 Paper Feeding Mechanism). : IC 1 E 0 1 A 1 4 N A This sensor uses photo interrupter method and detects the following three status.
CHAPTER TROUBLESHOOTING
EPSON Stylus COLOR 480 Revision B 3.1 Overview Table 3-1. Motor, Coil Resistance This chapter describes how to identify troubles in two levels: unit level repair and component level repair. Refer to the flowchart in this chapter to identify the defective unit and perform component level repair if necessary. This chapter also explains motor coil resistance, sensor specification and error indication. Motor Location Check Point Resistance CR Motor CN2 Pin 1 and 3 Pin 2 and 4 10.
EPSON Stylus COLOR 480 Revision B Table 3-4. Error indication Table 3-3. Error Indication Condition Status Monitor 3 Indication • No Paper • Paper is not loaded correctly Generic Remedy Condition 1) Reload the paper, then click the “Continue” button. 2) If you want cancel the print job, click the “Cancel” button. • Ink Out Figure 3-2. Paper is not loaded correctly • Paper Jam Figure 3-3.
EPSON Stylus COLOR 480 Revision B Table 3-6. Error indication Table 3-5. Error indication Condition Status Monitor 3 Indication • Head cleaning can not be completed. Generic Remedy Condition • Communication Error Click “Yes” button and replace the I/C by following the procedure. Figure 3-6. Head cleaning caution • Head alignment (bi-d) was not performed. Status Monitor 3 Indication Figure 3-8.
EPSON Stylus COLOR 480 Revision B Table 3-7. Error Indication Generic Condition Status Monitor 3 Indication Remedy • Waste Ink pad overflow Error. Figure 3-10. Waste Ink Error Troubleshooting Replace the Waste drain ink pad with new one and reset the Waste drain ink pad counter (Protection counter A) by using the Service Adjustment program.
EPSON Stylus COLOR 480 Revision B 3.2 Unit Level Troubleshooting Table 3-8. Symptoms and possible cause (continued) You can identify the troubles, using the checklist in this section and then find defective parts. When you find out defective parts, replace them by referring the Chapter 4 “Disassembling.” In your repair activity, connect the printer to your PC and check the Status monitor 3 by identify the trouble because this printer dose not have control panel.
EPSON Stylus COLOR 480 Revision B If the problem fits to the detail phenomenon in the table, make sure the check point and repair the product following the corresponding remedy mentioned in the table when you find the defective parts in the check point. Table 3-10. Paper out error indication on STM3 Paper out error indication on STM3 Step No. Detail phenomenon Table 3-9. Paper out error indication on STM3 ASF LD roller dose not attempt to load the paper. But, the PF motor and the Spur gear 35.
EPSON Stylus COLOR 480 Revision B Table 3-12. Paper jam error indication on STM3 Table 3-11. Paper out error indication on STM3 Paper Jam error indication on STM3 Paper out error indication on STM3 Step No. Detail phenomenon Check point 1. Check if the tip of the Change lever has any damage. Remedy Step No. Detail phenomenon 1. Replace the Change lever with new one. Check point Remedy • Check if the star wheel assembly is assembled in the Paper eject frame.
EPSON Stylus COLOR 480 Step No. 3 Revision B Table 3-13. Paper jam error indication on STM3 Table 3-14. Paper jam error indication on STM3 Paper Jam error indication on STM3 Paper Jam error indication on STM3 Detail phenomenon The paper is jammed around the Front paper guide. Check point Remedy 1. Check if the Front paper guide is floating from the assemble position. 2. Check if there is any damage around the rear edge of the each rib on the Front paper guide. 1.
EPSON Stylus COLOR 480 Revision B Table 3-15. Multiple papers are always loaded . Table 3-16. Paper is always loaded without any print job Multiple papers are always loaded. Step No. 1 Detail phenomenon Any error indication is not displayed on the monitor. But, multiple papers are always loaded from ASF. Check point Check if the Paper return plate is operating correctly in the ASF when the paper is loaded. Paper is always loaded without any print job Remedy Step No.
EPSON Stylus COLOR 480 Step No. Revision B Table 3-17. General Error indication on the STM3 Table 3-18. General Error indication on the STM3 General Error indication on the STM3 General Error indication on the STM3 Detail phenomenon Check point 1. Check if the Torsion spring 0.22 comes off on the both HP/IC sensor lever. Remedy Step No. 1. Set the Torsion spring 0.22 on the HP/IC sensor lever. HP/IC sensor lever 2 Detail phenomenon Check point 1.
EPSON Stylus COLOR 480 Step No. Revision B Table 3-19. General Error indication on the STM3 Table 3-20. Communication error on the STM3 General Error indication on the STM3 Communication Error on the STM3 Detail phenomenon Check point Remedy 1. Check if the Top housing is secured with the fixing screw at the front side. 1. Secure the Housing fixing screw at the printer front side. Step No. 1 Top housing 2. Check if the Change lever is placed to the printer front side.
EPSON Stylus COLOR 480 Revision B Table 3-21. Paper is not ejected completely without any error indication Table 3-22. Dot missing occur and it is not recovered with CL Paper is not ejected completely without any error indication Dot missing occur and it is not recovered with CL Step No. Detail phenomenon Check point Remedy 1. Check if the Paper eject roller rotate when the paper is ejected. 1. Assemble the Spur gear 15 to the protrusion on the pump unit. Step No.
EPSON Stylus COLOR 480 Table 3-23. Dot missing occur and it is not recovered with CL Table 3-24. Dot missing occur and it is not recovered with CL Dot missing and it is not recovered with CL Dot missing occur and it is not recovered with CL Step No. 1 Revision B Detail phenomenon In the CL sequence, the pump unit seems work correctly. But, any ink is not ejected to waste ink pad. Moreover, any ink is not absorbed from the head to the cap.
EPSON Stylus COLOR 480 Revision B . Step No. Table 3-25. Print quality is not good Table 3-26. Print quality is not good Print quality is not good Print quality is not good Detail phenomenon Vertical banding is appeared against the CR movement direction. And it looks like uneven printing. Check point Remedy 1. Check if each segment is printed correctly in the nozzle check pattern. 2. Check if the surface of the CR guide shaft dose not have any sever stain. 1.
EPSON Stylus COLOR 480 Revision B d Table 3-27. Print quality is not good Print quality is not good Step No. 3 4 Detail phenomenon Check point Remedy 1. Use the suitable paper according to the driver setting. Printing is blurred. 1. Check if the suitable paper is used according to the printer driver setting. 2. Check if the correct head ID is stored in the EEPROM by using the Adjustment program. 1. Clean the ink stained parts with soft cloth Ink stains the paper 1.
CHAPTER DISASSEMBLY AND ASSEMBLY
EPSON Stylus COLOR 480 Revision B 4.1 Overview 4.1.1 Precautions This section describes procedures for disassembling the main components of the Stylus COLOR 480. Unless otherwise specified, disassembly units or components can be reassembled by reversing the disassembly procedure. Things, if not strictly observed, that could result in injury or loss of life are described under the heading “Warning”. Precautions for any disassembly or assembly procedures are described under the heading “CAUTION”.
EPSON Stylus COLOR 480 Revision B 4.1.2 Tools C A U T IO N C A U T IO N Risque d’explosion si la pile est remplacée incorrectment. Ne remplacer que par une pile du même type ou d’un type équivalent recommandé par le fabricant. Eliminer les piles déchargées selon les lois et les règles de sécurité en vigueur. n Never remove the ink cartridge from the carriage unless this Use only specified tools to avoid damaging the printer. Name Supplier Parts No. Phillips Screw Driver (No.
EPSON Stylus COLOR 480 Revision B 4.1.3 Work Completion Check Table 4-1. Work Completion Check (continued) Classification If any service is made to the printer, use the checklist shown below to confirm all works are completed properly and the printer is ready to be returned to the user. Table 4-1.
EPSON Stylus COLOR 480 Revision B 4.2 Disassembly The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure.
EPSON Stylus COLOR 480 Revision B 4.2.1 Housing removal 1. Open the printer cover and remove 1 screw (C.B.P-TITE R 3x6 R/Uc screw) at the printer front side. n Tightening Torque for screw • C.B.P-TITE R3x6 R/Uc screw for housing front side: 6 +/- 1kgf.cm • C.B.S 3x6 F/Zn screw for housing back side : 6+/- 1kgf.cm C.B.T-TITE R 3X6 R/Uc screw Figure 4-2. Removing 1screw for Housing 2. Remove 1 screw (C.BS. 3x6 F/Zn screw) at the back of the printer and remove the Housing. C.B.
EPSON Stylus COLOR 480 Revision B 6. 4.2.2 Printhead removal 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Open the Cover cartridge and remove the both black and color ink cartridges. 3. Release the Printhead FFC from the cable holder in the left side of the CR unit. 4. Remove one screw (C.B.P.-TITE 3 x 6 F/Zn) tightening the Printhead at the left side of the CR unit. Disconnect the Printhead’s FFC from the connector on the Printhead.
EPSON Stylus COLOR 480 Revision B Head installing position pins Head grounding plate Figure 4-7. Printhead installing the position pin & the grounding plate. n Tightening Torque for screw • C.B.P-TITE 3x8 screw for printhead: 6+/1kgf.cm A D J U S T M E N T R E Q U IR E D When the Printhead is replaced with a new one, following adjustments must be performed in the order below: Refer to Page108. 1. Initial ink charge 2. Printhead ID input 3.
EPSON Stylus COLOR 480 Revision B 7. 4.2.3 CR motor removal 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Move the CR unit from the CR home position to around the center position. 3. Push the CR motor from the right to left to slack the CR timing belt. 4. Take off the CR timing belt from the Pinion gear of the CR motor. Remove the CR motor from the Printer mechanism taking the following step: - Slide the CR motor to right side.
EPSON Stylus COLOR 480 Revision B 4. 4.2.4 Circuit board removal 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove two screws (CB.S. 3x6, F/Zn) securing the Front Housing (Stacker guide) and remove the Front Housing (Stacker Guide). Front Housing (Stacker Guide) Remove four screws (C.B.S.3x6, F/Zn) securing the Circuit board unit at the back side of the Printer mechanism and remove two screws (C.B.S.
EPSON Stylus COLOR 480 Revision B NOTE: 110V type of the PS board dose not have earth wire. n Since the cable between C364 MAIN board and C364 PSB/E Refer to the Figure 4-14 C364 MAIN Board board are directly soldered, take the following steps when replacing only one circuit board in the service activity. 1. Take off the cable on the Main board by removing the solder by heating it with the soldering iron. 2. Replace the defective circuit board with new one. 3.
EPSON Stylus COLOR 480 C H E C K P O IN T Revision B When replacing or removing the PS board, be sure to use the following suitable screw to secure the PS board. C.B.S-TITE R, 3x6, F/UC Figure 4-15. PS board fixing screws. n Install a new cartridge before sending back the printer to the user, since the ink cartridge once taken out can not be used again. n Installation of I/C must be carried out by I/C replacement sequence. Otherwise, ink may not eject properly. Refer to the Page101.
EPSON Stylus COLOR 480 C H E C K P O IN T Revision B n Check the Earth terminal and wire position. Refer to the following figure. The earth wire for 120V must be placed back side of the Heat sinker HT1. And the earth wire for 220V must be placed in front of the Heat sinker HT1 as following figure. Earth terminal 120v Type Heat sinker Earth terminal 220V Type Heat sinker Figure 4-16.
EPSON Stylus COLOR 480 Revision B . 4.2.5 Waste drain ink pad unit removal 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove one screw (C.B.P TITE 3x8 F/Zn screw) on the front right side of the printer. (viewed from front side) C H E C K P O IN T n After assembling the Waste drain ink pad unit, be sure to set the following three cables in the cable hook in the Waste drain ink pad unit. Refer to the Figure 4-18.
EPSON Stylus COLOR 480 Revision B 4.2.6 PF motor removal n Since the CN 3 is not located near the rear edge of the Main 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove the Waste drain ink pad unit from the printer. (Section 4.2.5 Waste drain ink pad unit removal) 3. Remove two screws (C.B.S. 3x6,F/Zn screw) securing the PF motor to the Ink system frame. board, it is easier to use the tweezers or pincers to connect the cable to the CN3.
EPSON Stylus COLOR 480 Revision B 4.2.7 LD Roller removal 4. Push the two hooks of the LD roller shaft holder as shown in the following figure. 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 5. Pull the LD roller shaft holder unit upward from the Main frame. 2. Take the Head FFC off from the Head FFC holder located along the LD roller shaft holder. Head FFC holder Two hooks for LD roller holder Figure 4-23.
EPSON Stylus COLOR 480 C A U T IO N Revision B n Do not damage the tooth of the Spur gear 35.2 and the n Before assembling the LD roller shaft, make sure that the round Combination gear 11.2, 35.2 when assembling the LD roller shaft holder unit. hole of the Clutch is set on the protrusion on the LD roller shaft as shown in the following figure. round hole on the Clutch Spur gear 35.2 Protrusion on the LD roller shaft Combination gear 11.2, 35.2 Figure 4-26. Assembling the Clutch Figure 4-25.
EPSON Stylus COLOR 480 Revision B 2) Assemble the LD roller shaft holder unit while storing the Paper return plate into the ASF frame. Paper return plate Figure 4-28. LD Roller shaft holder assembling procedure (2) n Fasten the LD roller shaft holder with two C.B.S 3x6 F/Zn screws in the order indicated in the following figure. 1 2 Figure 4-29. Fastening the LD roller shaft holder n Tightening torque for screw n C.B.S. 3x6 F/Zn screw for LD roller shaft holder unit : 9+/1 kgf.
EPSON Stylus COLOR 480 Revision B 4.2.8 HP/PE/IC Sensor removal 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove the LD roller from the LD roller shaft holder. (Section 4.2.7 LD Roller removal) 3. Remove HP/IC detection lever from the LD roller shaft holder and disconnect the cable from the sensor connector. C H E C K P O IN T n Make sure that the Torsion spring 0.22 is hung to the following suitable position. Torsion spring 0.
EPSON Stylus COLOR 480 C H E C K P O IN T Revision B n Make sure that the HP/PE/IC sensor cable is placed to the suitable groove on the LD roller shaft holder. HP/PE/IC sensor cable HP/PE/IC sensor Figure 4-34. Sensor cable placing position (1) HP/PE/IC sensor cable Figure 4-35. Sensor cable placing position (2) n Make sure that the each sensor lever turn back smoothly by moving it after the sensor was assembled to the LD roller shaft holder.
EPSON Stylus COLOR 480 Revision B 4.2.9 Ink system unit removal (Cap & Pump unit ) 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove the Waste drain ink pad from the printer. (Section 4.2.5 Waste drain ink pad unit removal) 3. Remove three screws (C.B.S. 3x6, F/Zn screw: 2pcs, C.B.S. TITE 3x6, R, F/Uc screw: 1pcs) securing the Ink system frame and the Cap assembly to the frame. C A U T IO N C.B.S TITE 3X6, R,F/Uc screw C.B.S.
EPSON Stylus COLOR 480 C H E C K P O IN T Revision B n Make sure that all gears are set in each gear shaft on the Ink n Tightening torque for screw system frame. The Combination gear 9.6, 33.6 must be set first on the Ink system frame. Combination gear 9.6, 33.6 • C.B.S. 3x6 F/Zn screw for Ink system frame & Cap assy.: 9+/1 kgf.cm • C.B.S. TITE 3x6 F/Uc screw for Ink system frame : 9+/-1 kgf.cm Spur gear 34.2 Combination gear 12.6, 18.4 Combination gear 8.4,21.6 Spur gear 15.2 Figure 4-37.
EPSON Stylus COLOR 480 Revision B 4. 4.2.10 Paper Eject Roller removal 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove three screws (C.B.S. 3x6, F/Zn screw,:2pcs, C.B.S, 3x5,F/CU screw) securing the Front frame to the Main frame. Slide the Paper eject roller carefully to the left side and remove the Paper eject roller to the forward. Paper eject roller C.B.S. 3X5, F/CU screw Step1 Step2 Figure 4-40. Slide the Paper eject roller C.B.
EPSON Stylus COLOR 480 A D J U S T M E N T R E Q U IR E D Revision B n When you replace the Frame front, make sure to lubricate the specific amount of G26 to the Frame front. Refer to the Chapter 6 Figure6-8. n When you replace the Paper eject roller with new one, make sure to lubricate the specific amount of G26 to the Spur gear 15, EJ. Refer to the Chapter 6 Figure6-10. n Assemble the Paper eject roller in the following procedure. 1. 2. Set the Spur Gear 15, EJ to the cut out hole in the Main frame.
EPSON Stylus COLOR 480 Revision B 6. 4.2.11 Paper feed roller removal 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove the Paper Eject roller. (Section 4.2.10 Paper Eject Roller removal) 3. Release the PF grounding spring from the Main frame. Lift up the left edge of the Front paper guide while slanting the Front paper guide by pulling up its front edge, and then slide the Front paper guide to the left side after releasing the right hook on the Front paper guide.
EPSON Stylus COLOR 480 9. Revision B Fit the protrusions of the Right PF roller bushing to the notches in the frames as shown in the following figure C H E C K P O IN T Right PF roller bushing n After assemble the PF roller, make sure that the dowel of the both left and right PF roller bushing holder fit in the cut hole of both frames.
EPSON Stylus COLOR 480 Revision B 4.2.12 CR unit removal 4. 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Take the CR timing belt off the CR pinion gear by pushing the CR motor to the left. Release two CR guide shaft rod springs from the both hooks on the left and right sides of the Main frame. Left CR guide shaft rod spring CR timing belt Figure 4-50. Release Left Rod spring for CR shaft Figure 4-48. Taking the CR timing belt off 3.
EPSON Stylus COLOR 480 5. Revision B Pull the left edge of the CR guide shaft upward to align it with the round cutout portion. Then, holding the CR unit by hand, remove the CR guide shaft by sliding it to left or right. C H E C K P O IN T n Unlike the previous products, the oil pad is not built in the CR n n n n unit. Make sure that the tips of the CR guide shaft rod springs are set in the holes in the Main frame.
EPSON Stylus COLOR 480 C H E C K P O IN T Revision B n If the CR unit is disassembled or replaced with a new one, make sure that the CR timing belt is set in the assembling groove correctly as following figure. Assembling groove CR timing belt Figure 4-54. CR timing belt setting position A D J U S T M E N T R E Q U IR E D n When you replace the CR unit with a new one, lubricate it with the suitable amount of the G-55 grease by the specified position. Refer to Chapter 6 Figure 6-4.
EPSON Stylus COLOR 480 Revision B 4.2.13 Disassembling ASF frame unit 1. Remove the Housing from the printer. (Section 4.2.1 Housing removal) 2. Remove the LD roller shaft holder unit (Section 4.2.7 LD Roller removal) 3. Remove two screws (C.B.S.-TITE (P4), 3x6, F/Zn screw, C.B.S. Screw 3x6,F/Zn + Plain washer 3.2 x1x 7,F/Zn) securing the ASF frame unit and remove the ASF frame unit from the printer mechanism. C.B.S TITE(P4), 3X6, F/Zn screw Change lever unit Combination gear 22.4, 32 C.B.S.
EPSON Stylus COLOR 480 6. Revision B Remove the Torsion spring 25.7 from the bottom of the ASF frame and the Pad holder (Paper return plate). C H E C K P O IN T n Make sure that the each tip of the Torsion spring 25.7 is set in the slot of the Pad holder and ASF frame. Refer to Figure 4-57. n Make sure that the Pad holder moves smoothly after assembling it to the ASF frame. n Make sure the change lever setting position. Refer to following figure. Torsion spring 25.7 ASF Frame Figure 4-58.
EPSON Stylus COLOR 480 Revision B . n When you replace the ASF frame or Hopper with the new one, make sure to lubricate the specific amount of G26 into the groove on ASF frame. Refer to Figure 6-7 & Figure6-9 in the Chapter 6. n Fasten the ASF unit C.B.S. TITE (P4) 3x6,F/Zn screw (left screw in the following figure), Plain washer 3.2x1x7,F/Zn & C.B.S 3x6,F/Zn screw (right screw in the following figure) in the order of following figure. 2 1 Figure 4-61.
CHAPTER ADJUSTMENT
EPSON Stylus COLOR 480 Revision B 5.1 Overview This section describes the detailed procedures of each adjustment by Adjustment Program. This section describes the procedure for adjustments required when the printer is disassembled and assembled for repair or service. In this printer, it is necessary to set the adjusting information for each printer mechanism in order to maintain consistent printing function and quality, eliminating differences of each printer mechanism’s characteristics.
EPSON Stylus COLOR 480 Revision B o Individual service adjustment program 5.1.2 Adjustment Program feature This program provides you the adjustment item individually as same as the previous adjustment program. The available functions are as following table. This adjustment program is exclusive for Windows: the OS that allows operation of this program is Windows 95/98. The following shows programs included in this program. C H E C K P O IN T Table 5-2.
EPSON Stylus COLOR 480 Revision B o Sequential repair service program The user interface of the Sequential repair service program is as following figure. This program provides you the suitable adjustment order in the program according to the repair parts. The available functions are as following table. Table 5-3. Sequential repair service program Repair item Included Adjustment item 1 Printhead removal Head Cleaning, Nozzle check, Bi-d adjustment.
EPSON Stylus COLOR 480 Revision B 3. 5.1.4 Adjustment Program Initial Setting menu You have to input the following four items before entering the adjustment main menu. o Model name (Stylus COLOR 480) o Interface setting (LPT1, LPT2, LPT3) Select the suitable destination in the market menu. “World” is the standard destination setting except the ESP and EIO. The waste drain ink pad life for ESP & EIO product is different from World standard.
EPSON Stylus COLOR 480 Revision B 5.2 Sequential Repair Service Program feature status even if the printer is error condition, and can control the printer under the error condition. Following explain you the common function of the Sequential repair service program. 5.2.1 Feature o Quit In this manual, we will explain mainly about the Sequential repair service program.
EPSON Stylus COLOR 480 Revision B n Reset the printer 1) Inquire Clicking this button, you can get the following printer status. n Ink level of the each ink cartridge The available remaining ink amount is displayed with figure of Ink cartridge. n Printer status The status monitor can get the following 7kinds of the printer status depend on the printer status.
EPSON Stylus COLOR 480 Revision B 4. 5.2.2 Printhead removal When you remove the printhead from the printer mechanism and reinstall the removed printhead to the printer mechanism, this repair item should be selected in the Sequential repair service program. 1. Install the removed printhead to the CR unit on the repair printer mechanism. 2. Select the “Printhead removal” in the Sequential repair service program. Following Printhead removal top menu is displayed.
EPSON Stylus COLOR 480 7. Revision B Click the Bi-directional adjustment to adjust the Bi-directional printing alignment. In the following menu, select the suitable print mode which you want to adjust, and click the “Print” button. Basically, select all printing mode for the 1st adjustment. 9. Select the most aligned pattern number in the printed pattern and input the number in the following menu. Figure 5-17. Input the suitable pattern number Figure 5-15. Bi-d adjustment menu 8.
EPSON Stylus COLOR 480 Revision B 5.2.3 Printhead replacement When you replace the printhead with new one, this repair item should be selected in the Sequential repair service program. 1. NOTE: If you input the incorrect digits code for the Head voltage ID menu, following error message is displayed. Replace the Printhead with the new one and select the “Printhead replacement” item in the Sequential repair service program menu. Following “Printhead replacement” menu is displayed. Figure 5-21.
EPSON Stylus COLOR 480 3. Revision B After complete the Head voltage ID input, the following screen is displayed. 6. After complete the Initial ink charge, following message is displayed. In itia l in k c h a r g e h a s c o m p le te d Figure 5-23. Initial ink charge function 4. For the next step, select the “Initial ink charge” in the above menu. Following message is displayed. Install the band-new I/C to the printer by following the message. Figure 5-25. Nozzle check pattern function 7.
EPSON Stylus COLOR 480 9. Revision B Click the Bi-directional adjustment to adjust the Bi-directional printing alignment. In the following menu, select the suitable print mode which you want to adjust, and click the “Print” button. Basically, select all printing mode for the 1st adjustment. 11. Select the most aligned pattern number in the printed pattern and input the number in the following menu. Figure 5-29. Input the suitable pattern number Figure 5-27. Bi-d adjustment menu 10.
EPSON Stylus COLOR 480 Revision B 2. 5.2.4 Main board replacement Click the “Main board replacement” in the Sequential repair service program. The following menu is displayed. When you replace the main board with new one, this repair item should be selected in the Sequential repair service program. NOTE: Before replace the defective main board, connect the printer to the PC and run this program to confirm the necessary logic circuit is active.
EPSON Stylus COLOR 480 4. Revision B If the EEPROM is normal condition, following message is displayed. Click the “OK” button to start the EEPROM back up function. 6. Turn on the printer and click the “Load on EEPROM “to copy the EEPROM back up data to the new main board. It takes about 30 seconds to complete the EEPROM data copy. Figure 5-34. Start EEPROM back up function In case the following message is displayed, the EEPROM back up function is disable.
EPSON Stylus COLOR 480 9. Revision B In case the EEPROM is broken on the defective main board and the EEPROM back up/ copy function is not available, replace the Main board with new one by following the message and click the “OK” button. 12. After complete the Head ID input and Bi-d adjustment items, click the “Ink pad replacement” button. Replace the Waste drain ink pad with new one by following the message displayed on the screen.
EPSON Stylus COLOR 480 C A U T IO N Revision B n In case the EEPROM back up / copy function is not available and C H E C K P O IN T Adjustment main board is replaced with new one, the new main board dose not have the current Ink counter and waste drain ink pad counter. So, you have to replace the Waste drain ink pad and both I/C with new one. The current setting is printed at the center of the five Bi-d adjustment patterns. So, check the center pattern and select the most aligned patter number.
EPSON Stylus COLOR 480 Revision B 5.2.5 CR unit replacement or removal 5.2.6 CR motor replacement or removal 1. 1. After you replace or remove the CR unit in the service activity, Click the “CR unit replacement or removal” in the Sequential repair service program. Figure 5-43. CR unit replacement or removal After you replace or remove the CR motor in the service activity, Click the “CR motor replacement or removal” in the Sequential repair service program. Figure 5-45.
EPSON Stylus COLOR 480 Revision B 5.2.7 Printer mechanism replacement 5.2.8 Waste ink pad replacement Stylus COLOR 480 dose not have ASP printer mechanism. So, you may not have a chance to use this function in your service activity. However, in case you change the printer mechanism in your printer swap service, use this function. The adjustment item and the order are same as “Printhead replacement”. So, as for the detail, refer to Section 5.2.3 on page 108.
EPSON Stylus COLOR 480 Revision B 5.3 Individual service adjustment program feature This program menu is almost same as the previous adjustment program. However, this program can run under the D4 protocol. So, followings new function is available. o Get status function This function can check the printer status even if the printer is error condition except the main (CPU, I/F receiver IC, RAM) logic circuit failure, and control the printer by using the D4 mode functions.
EPSON Stylus COLOR 480 Revision B 5.3.5 EEPROM check function You can check the EEPROM data or can write the specific data into the specific address of the EEPROM directly even if the printer is error condition. (In case one of the main logic circuit such as CPU, I/F receiver IC, RAM, EEPROM is broken, this function is not available) C A U T IO N n Do not use this function except the special case. Careless usage causes any trouble. Select the “EEPROM check” function in the Maintenance menu.
EPSON Stylus COLOR 480 Revision B o Exchange sequence 1 5.3.6 Refurbishment for DOA If you clean the cavity of the printhead and cap assembly, this function will be useful. C A U T IO N n After carry out this function, replace the waste drain ink pad n n n n n with new one and reset the Waste drain ink pad counter. Otherwise, the ink or S46 liquid may leak from the pad during the transportation. Prepare the following tool.
EPSON Stylus COLOR 480 Revision B 5.3.7 A4 Check pattern We recommend to use this function to check the repaired product quality in your final stage of your repair. The following 6 items are printed on the check pattern. Figure 5-52. A4 Check pattern Do not print the A4 Check pattern on the EPSON exclusive paper such as Photo quality ink jet paper. This check pattern is for the plain paper. So, use the Plain paper for this check pattern printing.
CHAPTER MAINTENANCE
EPSON Stylus COLOR 480 Revision B 6.1 Overview This section provides information to maintain the printer in its optimum condition. 6.1.1 Cleaning This printer has no mechanical components which require regular cleaning except the printhead. Therefore, when returning the printer to the user, check the following parts and perform appropriate cleaning if stain is noticeable.
EPSON Stylus COLOR 480 Revision B 2. 6.1.2 Service Maintenance If any abnormal print (dot missing, white line, etc.) has occurred or the Status monitor indicates Maintenance Request Error (This error is displayed as “unknown error” in the STM3), take the following actions to clear the error. Select the Head Cleaning in the Printer driver utility and perform the Head cleaning. After performing the head cleaning sequence, perform the print check.
EPSON Stylus COLOR 480 Revision B o Maintenance Request Error (Unknown error) Ink is used for cleaning operation as well as printing. When ink is used for cleaning, the ink is drained to Waste Ink Pad (Ink Absorber Tray Assembly) and the amount of waste ink is recorded in the EEPROM on the MAIN board. Due to this, when the waste ink has reached the limit of the absorbing capability of the Waste Ink Pad, Unknown Error is indicated on Status monitor 3 as following figure. 6.1.
EPSON Stylus COLOR 480 Revision B Table 6-2. Lubrication Point Table 6-2. Lubrication Point No. No. Lubrication Type/Point Remarks 1 • Inside the CR shaft hole of the CR unit. Refer to Figure 6-4, "Lubrication point 1". • G-55 • Whole inside the CR shaft hole evenly. 40+/15mg x 2 • Do not attach the grease to other portion of the CR unit. • Use a syringe to apply it.
EPSON Stylus COLOR 480 Revision B G-55 G-26 Figure 6-4. Lubrication point 1 Figure 6-6. Lubrication point 3 G-26 G-26 Figure 6-7. Lubrication point 4 Figure 6-5.
EPSON Stylus COLOR 480 35mm Revision B 40mm 40mm 35mm G-26 G-26 Figure 6-10. Lubrication point 7 Figure 6-8. Lubrication point 5 G-26 Figure 6-9.
CHAPTER APPENDIX
EPSON Stylus COLOR 480 Revision B 7.1 Connector Summary Table 7-1. Connector Summary for C367MAIN/MAIN-B 7.1.
EPSON Stylus COLOR 480 Revision B Table 7-6. CN5 - Power Supply Board Table 7-4.
EPSON Stylus COLOR 480 Revision B 7.1.2 EEPROM Address Map Table 7-7. EEPROM Address Map (continued) Address Table 7-7.
EPSON Stylus COLOR 480 Revision B Table 7-7. EEPROM Address Map (continued) Address Explanation 28H Reserved 29H Bi-d Alignment request 2AH Reserved for CG table Setting bit2 :Bi-d Alignment request (0=request, 1=no request) 2BH-2FH 30H-39H Reserved for USB 3AH-3DH Table 7-7.
EPSON Stylus COLOR 480 Revision B Table 7-7. EEPROM Address Map (continued) Table 7-7.
EPSON Stylus COLOR 480 Revision B 7.2 Component Layout Figure 7-2. C367MAIN Component Layout (Parts Side) Appendix Figure 7-3.
EPSON Stylus COLOR 480 Revision B Figure 7-5. C367PSE Component Layout Figure 7-4.
EPSON Stylus COLOR 480 Revision B 7.3 Exploded Diagram Following pages shows exploded diagram. Figure 7-6.
EPSON Stylus COLOR 480 Revision B Figure 7-7.
EPSON Stylus COLOR 480 Revision B Figure 7-8.
EPSON Stylus COLOR 480 Revision B Figure 7-9.
EPSON Stylus COLOR 480 Revision B Figure 7-10.
EPSON Stylus COLOR 480 Revision B Table 7-8. Stylus COLOR 480 Parts List 7.4 Parts List Table 7-8. Stylus COLOR 480 Parts List Code Parts Name 100 HOUSING 101 COVER,PRINTER 102 PAPERSUPPORT 103 HOUSING,SUPPORT,LEFT 104 SHIELDPLATE,UPPER 105 COVER,SHIELD PLATE,LEFT 106 SHIELD PLATE,M/B;B 107 LOGO PLATE 108 HOUSING, FRONT 109 FOOT 110 GROUNDING,PLATE 122 C.B.S. SCREW 123 C.B.(O) SCREW,4X5,F/ZG 124 C,B,S-TITE R.SCREW,3X6,F/UC 125 C.B.P-TITE SCREW,3X8,F/ZN 200 BOARD ASSY.
EPSON Stylus COLOR 480 Revision B Table 7-8. Stylus COLOR 480 Parts List Table 7-8. Stylus COLOR 480 Parts List Code Parts Name Code Parts Name IC9 HIC 520 COMBINATION GEAR,9.6,33.6 Q1 C.B.SCREW,2.6X6,F/ZN 521 SPACER,C-RING Q1 TRANSISTOR 522 ROLLER,PF Q2 C.B.SCREW,2.6X6,F/ZN 523 BUSHING,ROLLER,PF Q2 TRANSISTOR 524 BUSHING,ROLLER,PF,LEFT 300 BOARD ASSY.
EPSON Stylus COLOR 480 Revision B Table 7-8. Stylus COLOR 480 Parts List Table 7-8. Stylus COLOR 480 Parts List Code Parts Name Code Parts Name 545 STARWHEEL ASSY.,8;E 720 SPUR GEAR,35.2 546 ROD SPRING,STAR WHEEL 721 COMBINATION GEAR,11.2,32.4 547 C.C.S.SCREW 722 COMBINATION GEAR,22.4,32 548 PAPERGUIDE,LEFT 723 CABLE,HEAD;B 549 SPACER,COVER CARTRIDGE 724 COMPRESSION SPRING,4.80 700 PRINT HEAD 725 TORSIONSPRING,25.7 701 LEVER,CHANGE 726 TORSIONSPRING,0.
EPSON Stylus COLOR 480 Appendix Revision B Parts List 144
EPSON Stylus COLOR 480 Revision B 7.
