Epson SEIJ98006 Service Manual
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Epson SEIJ98006 Service Manual

Color ink jet printer revision c
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Color ink jet printer
EPSON Stylus Color 900 (Revision C)
®
SEIJ98006

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Summary of Contents for Epson SEIJ98006

  • Page 1  Color ink jet printer EPSON Stylus Color 900 (Revision C) ® SEIJ98006...
  • Page 2 The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
  • Page 4 Describes the step-by-step procedures for disassembling and assembling the product. CHAPTER 5. Provides Epson-approved methods for adjustment. CHAPTER 6. Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product. APPENDIX Provides the following additional information for reference: • Connector pin assignments •...
  • Page 5 Revision Status Revision Issued Date January 06, 1999 February 15, 1999 March 4, 1999 Description First Release The following items have been revised: <Chapter 4> • Page 105/Table 4-1: Some contents have been changed. • Figure 4-4, Figure 4-17: Contents of the figures have been corrected. •...

  • Page 6: Table Of Contents

    Indicators (LEDs) ... 31 Panel Functions ... 32 Printer Setting Mode ... 32 Special Setting Mode ... 34 Printer Condition and Panel Status ... 35 Error Status ... 36 Ink Out ... 36 Paper Out ... 36 Paper Jam ... 36 No Ink Cartridge ...
  • Page 7 Isolating the Faulty Part according to the Phenomenon ... 92 Disassembly and Assembly Overview ... 102 Precautions for Disassembling the Printer ... 102 Disassembly Procedures ... 104 Upper Case and Control Panel Removal ... 106 Printer Mechanism Removal ... 107 C265 Main Board Unit Removal ...
  • Page 8 Component Layout ... 180 Parts List ... 184 Exploded Diagrams ... 187 Circuit Diagrams ... 195...

  • Page 9: Product Description

           PRODUCT DESCRIPTION...

  • Page 10: Features

    EPSON Stylus Color 900 1.1 FEATURES The Stylus COLOR 900 is the latest in EPSON’s advanced lines of ink jet printers and offering the following features. High color print quality: - 1440 (H) x720 (V) dpi printing - Printing with 4 color inks (YMCK)

  • Page 11: Specifications

    EPSON Stylus Color 900 1.2 Specifications 1.2.1 Printing Specifications Print method: On demand ink jet Nozzle configuration: Monochrome=192 nozzles (96 x 2 staggered) Color=96 nozzles x 3 (Cyan, Magenta, Yellow) (See Figure 1-2 for the nozzle configuration.) Figure 1-2. Nozzle configuration...
  • Page 12 EPSON Stylus Color 900 Character tables: Legal and 14 international character sets Standard version: (13 character tables) Italic table PC 860 (Portuguese) PC 850 (Multilingual) PC 437(US, Standard Europe) PC 861 (Icelandic) PC 863(Canadian-French) PC 865(Nordic) Abicomp BRASCII Roman 8...
  • Page 13 EPSON Stylus Color 900 Italic table PC 860 (Portuguese) PC 861 (Icelandic) PC 865 (Nordic) Abicomp lSO Latin1 ISO 8859-15 Italic table PC 850 (Multilingual) PC 861 (Icelandic) Abicomp lSOLatin1 ISO 8859-15 PC437Greek PC 853 (Turkish) PC 857 (Turkish) PC 869 (Greek)

  • Page 14: Options And Consumable Products

    EPSON Ink Jet Note Card (A6) (with envelopes) C82312 EPSON Ink Jet Greeting Cards (5 x 8”) (with envelops) C82362 C82363 EPSON Ink Jet Greeting Cards (8 x 10”) (with envelops) S041149 C82364 EPSON Photo Quality Glossy Film (A4) C82345 EPSON Photo Quality Glossy Film (Letter)

  • Page 15: Paper Specifications

    Thickness: 0.08 mm (0.003”) - 0.11 mm (0.004”) Weight: 64g/m (17Ib.) - 90g/m Paper Types: Bond paper, Plain paper, EPSON special media 1.2.3.2 Transparency, Glossy Paper Size [Width 210 mm (8.3”) x Length 297 mm (11.7”)] Letter: [Width 216 mm (8.5”) x Length 279 mm (11.0”)] [Width 105 mm (4.1”) x Length 148 mm (5.8”)]...

  • Page 16: Photo Paper

    EPSON Stylus Color 900 1.2.3.6 Photo Paper Size: [Width 210 mm (8.3”) x Length 297 mm (11.7”)] Letter: [Width 216 mm (8.5”) x Length 279 mm (11.0”)] 4 x 6”: [Width 102 mm (4”) x Length 152 mm (6”)] Panoramic: [Width 210 mm (8.3”) x Length 594 mm (23.4”)]...

  • Page 17: Printable Area

    EPSON Stylus Color 900 1.2.4 Printable Area Cut Sheet See Figure 1-3 and Table 1-7 for the printable area for cut sheets. Figure 1-3. Printable Area for Cut Sheets Product Description Table 1-7. Minimum margin for Raster Graphics Mode / Character Mode...
  • Page 18 EPSON Stylus Color 900 EnvelopeSee Table 1-8 and Figure 1-4 which show the minimum margin and printable area for envelopes, respectively. Table 1-8. Minimum Margin for Envelopes Paper Left Margin Right Margin Top Margin Size (Minimum) (Minimum) (Minimum) 3 mm (0.12”) 28 mm (1.10”) 3 mm (0.12”)

  • Page 19: Ink Cartridge Specifications

    EPSON Stylus Color 900 1.2.5 Ink Cartridge Specifications 1.2.5.1 Black Ink Cartridge Type: Exclusive ink cartridge Color: Black Print Capacity: 1200 pages / A4 (ISO/IEC 10561 Letter Pattern at 360 dpi) Ink life: 2 years from indicated production date Storage temperature:...

  • Page 20: Color Ink Cartridge

    EPSON Stylus Color 900 1.2.5.2 Color Ink Cartridge Type: Exclusive ink cartridge Color: Magenta, Cyan, Yellow Print Capacity: 530 pages / A4 (at 360 dpi, 5 X duty each color) Ink life: 2 years from indicated production date Storage temperature:...

  • Page 21: Electrical Specifications

    EPSON Stylus Color 900 1.2.6 Electrical Specifications [120V version] Rated voltage: AC120V Input voltage range: AC99 132V Rated frequency range: 50 60 Hz Input frequency range: 49.5 60.5 Hz Rated current: 0.4A (Maximum 0.5A) Power consumption: Approx.18W (ISO/IEC 10561 Letter pattern) Energy Star compliant Insulation Resistance: 10 M ohms min.

  • Page 22: Reliability

    EPSON Stylus Color 900 1.2.8 Reliability Total print volume: 75,000 pages (A4, Letter) Printhead life: 4000 million dots/nozzle 1.2.9 Safety Approvals [120V version] Safety standard: UL1950 CSA22.2 No.950 EMI: FCC part 15 subpart B class B CSA C108.8 class B...

  • Page 23: Interface

    EPSON Stylus Color 900 1.3 Interface The EPSON Stylus Color 900 is equipped with USB, bi-directional 8-bit parallel interface, serial interface and a card slot for an optional Type-B interface. 1.3.1 Parallel Interface (Forward Channel) Transmission mode: 8 bit parallel, IEEE-1284 compatibility mode...
  • Page 24 10us * A LOW logic level on the Logic H signal is as follows: 2.0 V or less when the printer is turned off. 3.0 V or more when the printer is turned on. The receiver provides an impedance equivalent to 7.5 K ground.
  • Page 25 Always at high level when the printer is powered on. Not used. The falling edge of a negative pulse or a low signal on this line causes the printer to initialize. Minimum 50 us pulse is necessary. A low signal indicates printer error condition.

  • Page 26: Parallel Interface (Reverse Channel)

    EPSON Stylus Color 900 1.3.2 Parallel Interface (Reverse Channel) Transmission mode: IEEE-1284 nibble mode Adaptable connector: See the forward channel. Synchronization: Refer to the IEEE-1284 specification Handshaking: Refer to the IEEE-1284 specification Data trans. timing: Refer to the IEEE-1284 specification...
  • Page 27 /DataAvail, DataBit-0,4 1284-Active Logic-H Chassis GND 16,33, 9-30 15,34 * In/Out refers to the direction of signal flow from the printer’s point of view. Product Description Table 1-13. Pin Assignment For Reverse Channel Return GND In/Out Host clock signal. The DATA0 through DATA7 signals represent data bits 0 to7, respectively.

  • Page 28: Mac Serial Interface

    EPSON Stylus Color 900 1.3.3 Mac Serial Interface Standard: Based on RS-423 Synchronization: Synchronous Bit Rate: Approximately 1.8 Mbps Handshaking: X-ON/X-OFF, DTR Protocol Word Format: Start Bit = 1 bit Data Bit = 8 bit Parity Bit = No parity bit...

  • Page 29: Usb Interface

    Description 1.3.7 Auto Interface Selection The EPSON Stylus Color 900 has four types of interfaces: USB, parallel interface, Mac serial interface and optional Type-B interface. Each interface can be selected manually in default setting mode or automatically.

  • Page 30: Ieee 1284.4 Protocol

    “OFF LINE” bit of MNSTS register to the optional interface. When the printer is initialized or returned to the idle state, the parallel interface enters ready state and the serial interface sets the DTR signal SPACE and the printer resets “OFF LINE” bit of MNSTS register to the optional.

  • Page 31: Control Panel Operation

    EPSON Stylus Color 900 1.4 Control Panel Operation The control panel of the EPSON Stylus Color 900 is composed of the 2 non-lock type push-buttons, 1 lock-type push-button, and 4 LEDs, as shown below: Figure 1-10. Control Panel Product Description 1.4.1 Indicators (LEDs)

  • Page 32: Panel Functions

    Product Description 1.4.2.1 Printer Setting Mode While turning the printer on, press the Cleaning button, and the Paper Out LED starts blinking. This operation must be followed by pressing the specified button while the Paper Out LED is still blinking to enter the...
  • Page 33 8. Repeat the steps from 4 to 7. The menu selection will return to the first menu after the last menu selection is over. 9. Turn the printer off. The new settings are stored in the non-volatile memory. Table 1-20. Default Setting Menu...

  • Page 34: Special Setting Mode

    1. While holding down both Load/Eject and Cleaning (Black) buttons, turn the printer on. 2. Printer prints an instruction sheet that shows how to adjust the printer and current alignment. 3. Referring to the current alignment, press the Cleaning button until the LED indicate the appropriate test number.

  • Page 35: Printer Condition And Panel Status

    EPSON Stylus Color 900 1.4.3 Printer Condition and Panel Status Table 1-23 shows printer condition and panel status. Since the table shows various error status and also indicates printer status, it enables you to find appropriate repair ways. Printer Status...

  • Page 36: Error Status

    Panel indicator status and corresponding error types. 1.5.1 Ink Out When the printer has run out the most of the ink of any color, it warns of Ink Low condition and keeps printing. When the printer runs out the whole ink of any color, it stops printing and indicates the Ink Out error.

  • Page 37: Printer Initialization

    EPSON Stylus Color 900 1.6 Printer Initialization The EPSON Stylus Color 900 is equipped with three types of initialization methods. Power-on initialization The printer is initialized when it is turned on or recognizes the cold- reset command (remote RS command). When the printer is initialized, it performs the following: (a) Initializes the printer mechanism.

  • Page 38: Component Layout

    The printer mechanism of the Stylus Color 900 has black and color heads united in one unit which drives larger amount of nozzles (180 nozzles in total) than ever. Also, for a new ink jet printer feature, the printer has succeeded in printing in the acceleration/deceleration areas by reading the slits on the linear scale to improve the throughput.

  • Page 39: C265 Main Board

    , its size has increased to 2 K bit. *1: The valuable dot system, or many-valued dot system, enables the printer to freely fire three different sizes of dots (normal, middle, and small dots) in one raster. In other printers, if the super micro dot mode is once selected through the printer driver, the printers prints only in the selected mode until the current print data is completed.
  • Page 40 EPSON Stylus Color 900 Revision C Figure 1-11. C265 Main Board Product Description Component Layout...

  • Page 41: C265 Psb/Pse Board

    EPSON Stylus Color 900 1.7.3 C265 PSB/PSE Board There are two types of the C265 power supply board as listed below. C265 PSB board:For America, Japan, part of South east Asia C265 PSE board:The rest of all regions Never touch the heat sink (radiation plate) on the Q1 with your bare hands as it is not insulated.

  • Page 42: C265 Pnl Board

    The C265 relay board is installed to relay the following with connectors: Power for driving motors and sensors Control signals If any of the connectors is connected to a wrong position during assembly, the printer shows a fatal error at power on. Figure 1-14. C265 Relay Board Component Layout Revision C...

  • Page 43: Operating Principles

           OPERATING PRINCIPLES...

  • Page 44: Overview

    Operating Principles 2.2 Printer Mechanism Operating Principles The EPSON Stylus Color 900 uses a new type of printhead. It has black and color heads united in one unit which includes a total of 480 nozzles: 192 nozzles for black (96 nozzles x 2) and 96 nozzles for each color.
  • Page 45 EPSON Stylus Color 900 Revision C Figure 2-1. The Stylus Color 900 Printer Mechanism Block Diagram Operating Principles Printer Mechanism Operating Principles...

  • Page 46: Carriage Mechanism

    If this sensor is defective or does not work, it does not detect the carriage while the carriage is in the home position seek mode. In this case, the printer cuts off electricity to the CR motor and shows a fatal error.
  • Page 47 8. The read information is used to produce basic drive frequency for 2880-dpi trapezoidal waveform production. If the encoder is defective or in an undetectable condition, the printer generates a fatal error immediately after power on. This error occurs before the carriage’s home position seeking operation.

  • Page 48: Printing Mechanism

    The printing mechanism of the printer is all included inside the printhead. The printing method is EPSON-exclusive MACH system, which is used in other EPSON ink jet printers, but the printhead is not compatible with any other printer. See Figure 2-2 for the printing mechanism block diagram.

  • Page 49: Paper Load Mechanism

    2.2.3 Paper Load Mechanism The paper load mechanism transports paper set in the hopper in the ASF into the printer. It is operated by the ASF and the pump/ASF motor which drive the ASF. The pump/ASF motor specifications are as shown in Table 2-7.
  • Page 50 EPSON Stylus Color 900 After a paper loading motion is completed, the semicircular roller rotates in the normal direction to load the top paper in the stack. This operation is enabled by the correct phase of the gears in the ASF, because the timings for the semicircular roller’s contacting the paper surface by the...

  • Page 51: Paper Feed Mechanism

    The paper feed mechanism manages constant paper feeding during printing through to paper ejection. Unlike previous models, the PF motor of this printer only drives the paper feed mechanism, having no connection with the carriage lock mechanism nor the pump mechanism.

  • Page 52: Pump/Asf Switch Mechanism

    6. Then the gears (4) and (5) are meshed. The gear (5) is connected to the ASF drive gear in the printer mechanism to rotate the roller in the ASF reverse (for paper return mechanism). (Refer to Section 2.2.3 for the paper return mechanism.)
  • Page 53 12. The gear (4) meshes with the pump transmission gear in the printer mechanism to perform CR lock and pump drive operations.

  • Page 54: Pump / Carriage Lock / Head Cleaner Mechanism

    EPSON Stylus Color 900 2.2.6 Pump / Carriage Lock / Head Cleaner Mechanism The pump mechanism operates in accordance with the carriage lock and head cleaner control mechanisms. Figure 2-8 illustrates the process of torque transmission from the pump/ASF motor to each mechanism.
  • Page 55 EPSON Stylus Color 900 The steps below explain the process of driving each mechanism. 1. The precondition for driving the pump, carriage lock, and head cleaner is that the pump/ASF switch mechanism is switched to the pump gear train. (Refer to Section 2.2.6.) 2.

  • Page 56: Electrical Circuit Operation Principles

    The input voltage is next input to the RLC parallel circuit (a filter circuit), for higher harmonics absorption. This operation keeps the higher harmonics in the AC power out of the printer, and also prevents leakage of higher harmonics generated in the printer.
  • Page 57 Voltage drop delay circuit at power off The C265 PSB/PSE board uses the secondary switch that includes the delay circuit. The delay circuit allows the printer to complete the power off operation properly even though the printer is turned off while it is printing.
  • Page 58 EPSON Stylus Color 900 Revision C Figure 2-10. C265 PSB/PSE Board Circuit Block Diagram Operating Principles Electrical Circuit Operation Principles...

  • Page 59: C265Main Board

    EPSON Stylus Color 900 2.3.2 C265Main Board See Figure 2-11 for the C265 main board block diagram. Operating Principles Figure 2-11. C265 Main Board Block Diagram Electrical Circuit Operation Principles Revision C...
  • Page 60 • The LB1847 (IC11 and IC12) is used to drive PF motor and CR motor and enables 4W1-2 phase excitation mode for the first in EPSON line. This control system, called micro stepping, materializes the control of the carriage vibration during printing and improvement of accuracy in paper feeding on the hardware basis.
  • Page 61 While the printer is on, the printer supplies 5 V (input to Pin 7) to operate the internal oscillation circuit, however, when the printer is turned off, the external button-cell battery (a lithium battery) immediately starts supplying voltage (3 V) to the Pin 8.
  • Page 62 EPSON Stylus Color 900 [Sensor circuit] The sensors attached to the printer are as described in the following pages. They are basically divided into 2 major parts: 1) abnormal temperature detection part and 2) mechanism status detection part. The former is controlled by the CPU and the latter is controlled by 2 ASICs;...
  • Page 63 C265 main board. Based on the fed back information, the printer manages subtle change in the voltage level of the head drive trapezoidal waveform, and also can eject the correct amount of ink as it is aimed at any temperature.
  • Page 64 EPSON Stylus Color 900 False firing is detected in the following conditions, and the printer handles it as described below. False firing detection timing: If any of the 5 channels, which are monitored by the abnormal temperature detection circuit in the nozzle selector, reaches 100 C, the printer stops printing and automaticaly begins the cleaning cycle.
  • Page 65 EPSON Stylus Color 900 Revision C [Mechanism status detection part] Figure 2-14. Sensor Circuit Block Diagram (Mechanism Status Detection Part) Operating Principles Electrical Circuit Operation Principles...
  • Page 66 CR home position sensor: When the printer is turned on, the CRHP sensor confirms the CR is in the home position during the home position seeking sequence. Then the printer can determine the CR control afterwards. The printing column position is also confirmed based on the signals from the sensor.

  • Page 67: Cr Motor Driver Circuit

    EPSON Stylus Color 900 2.3.3 CR Motor Driver Circuit An exclusive motor drive IC (LB1847: IC12) enables 4W1-2 phase excitation on the hardware basis. A micro stepping motor is used for the CR motor to move the carriage accurately and also to improve printing accuracy by minimizing the motor’s vibration during printing.
  • Page 68 EPSON Stylus Color 900 Unlike previous EPSON ink jet printers, the number of the phase excitation input ports in the motor drive IC of this printer has increased to 8. The previous micro step system used total of 4 phase excitation input signals for both phases A and B.

  • Page 69: Pf Motor Driver Circuit

    EPSON Stylus Color 900 2.3.4 PF Motor Driver Circuit Motor drive exclusive IC (LB1847: IC11) enables 4W1-2 phase excitation on the hardware basis. A stepping motor is used for the PF motor to move the carriage accurately and also to improve printing accuracy by minimizing the motor’s vibration during printing.
  • Page 70 EPSON Stylus Color 900 Unlike the previous EPSON ink jet printers, the number pf the phase excitation input ports in the motor drive IC of this printer has increased to 8. The previous micro step system used total of 4 phase excitation input signals for both Phase A and Phase B.

  • Page 71: Pump/Asf Motor Driver Circuit

    EPSON Stylus Color 900 2.3.5 Pump/ASF Motor Driver Circuit Like for the CR motor and the PF motor, A3957 (IC13, IC14) enables the pump/ASF motor to perform 4W1-2 phase excitation on the hardware basis. Figure 2-17 shows the pump/ASF motor driver circuit block diagram.

  • Page 72: Printhead Driver Circuit

    EPSON Stylus Color 900 Table 2-18 shows the excitation modes used for the pump/ASF motor and their usage. Table 2-18. Pump/ASF Motor Excitation Mode and Usage Excitation phase Usage Fast absorption 2-2 phase drive Semi-fast absorption Fast feed 1-2 phase drive...
  • Page 73 EPSON Stylus Color 900 Revision C Figure 2-18. Printhead Driver Circuit Block Diagram Operating Principles Electrical Circuit Operation Principles...

  • Page 74: Cooling Fan Driver Circuit

    EPSON Stylus Color 900 2.3.7 Cooling Fan Driver Circuit Since this printer drives a large number of PZT elements (total of 480 nozzles) with a high drive frequency (maximum 32.4 K Hz), heat radiated around the printheads and the trapezoid waveform production circuit on the C265 main board is considerably large compared to other printers.
  • Page 75 40 C or t2 50 C temperatures. Even while the printer is in idle status, the thermistors continue to detect temperatures every 2 seconds for the cooling fan operation. However, 2 error status conditions can be detected in the main routine, since air may not cool down if the fan is defective or the ventilation grill is clogged.

  • Page 76: Asf Solenoid Driver Circuit

    EPSON Stylus Color 900 2.3.8 ASF Solenoid Driver Circuit A planetary gear is used in the gear train which switches between paper feed operation from the ASF and pump operation. The switching action is enabled by the solenoid. See Table 2-21 and Figure 2-21 which show ASF solenoid specifications and the ASF solenoid control circuit block diagram, respectively.

  • Page 77: Eeprom Control Driver Circuit

    When the printer is turned on, data stored in the EEPROM is transferred to the D-RAM by the ASIC (IC3). In the D-RAM, the ASIC controls...

  • Page 78: Troubleshooting

           TROUBLESHOOTING...

  • Page 79: Overview

    EPSON Stylus Color 900 3.1 Overview This chapter describes how to troubleshoot problems. It consists of the sections shown in the flowchart below. When identifying and troubleshooting problems, be sure to proceed to the correct section specified in the flowchart.

  • Page 80: Troubleshooting With Led Error Indications

    3.1.1 Troubleshooting with LED Error Indications This section describes how to troubleshoot the problem when the printer indicates an error at power on and can not print. The Stylus Color can detect the following six errors and indicates them with the LEDs, as shown below.

  • Page 81: Remedies For Paper Out Error

    EPSON Stylus Color 900 Table 3-3. Error Condition and the Possible Causes (continued) Error Condition Possible Causes 1. The counter is not showing the actual remaining ink NO I/C or Ink Out level. Error 2. Ink cartridge sensor actuator is not acting properly.
  • Page 82 EPSON Stylus Color 900 Table 3-4. Remedies for Paper Out Error Step Check point Is no paper Set a cleaning sheet in the ASF up side down. Then loaded? holding the top edge, press the Load/Eject button, and the micro pearl on the paper load roller (a semicircular roller) surface is removed.

  • Page 83: Remedies For The Paper Jam Error

    EPSON Stylus Color 900 3.1.1.2 Remedies for the Paper Jam Error This section includes the check points and corresponding actions which are necessary when the Paper Jam Error constantly occurs when the printer is turned on or feeding paper. Be sure to follow the steps in the order described in the tables.
  • Page 84 • Check the ASF installation at the following 2 points: View A and View B in the figure below. • Viewing the printer from the back, check that all of the six torsion springs securing the paper load sub rollers are properly installed.

  • Page 85: Remedies For No I/C And Ink Out Errors

    Ink low or Ink end condition and can not continue to print. 2. Ink has run out but the printer continues to print and starts false firing, which damages the printhead. Explain the situation to the user well, and replace the I/C with a new one.
  • Page 86 EPSON Stylus Color 900 Table 3-10. Remedies for No I/C and Ink Out Errors (continued) Step Check Point Is the micro switch fixed If the micro switch is not properly attached, the improperly? actuators possibly fail to touch the micro switch.

  • Page 87: Remedies For The Maintenance Error

    EPSON Stylus Color 900 3.1.1.4 Remedies for the Maintenance Error While the printer is in this error condition, it disables all operations including data communication except for the panel operation specified to clear the error. Therefore, follow the steps described in Table 3-12 to solve the problem.

  • Page 88: Remedies For Fatal Error

    3.1.1.5 Remedies for Fatal Error A fatal error is basically caused by any of the following conditions: 1. The printer does not detect the carriage in the home position. 2. The printer does not detect signals from the linear scale.
  • Page 89 Actions Check for the correct voltages at 3-pin connector shown in the figure below. Turn the printer on and check the voltage is correct as follows: • When the CR has come in the home position, the voltage rises to 2.4 VDC or higher.

  • Page 90: Isolating The Faulty Part On The Power Supply Board

    3.1.2 Isolating the Faulty Part on the Power Supply Board This section explains how to troubleshoot the following problems: The printer is turned on, but the initialization is not performed and LED on the control panel do not come on.
  • Page 91 EPSON Stylus Color 900 Table 3-19. Isolating the Faulty Part on the Power Supply Board (continued) Step Check Point Is the main switching Check the electrical continuity of the switching FET (Q1) defective? FET by trying four patterns below. Be sure to pay attention to the polarity.

  • Page 92: Isolating The Faulty Part According To The Phenomenon

    EPSON Stylus Color 900 3.1.3 Isolating the Faulty Part according to the Phenomenon Refer to this section if you could not solve the problem in Section 3.1.1 or Section 3.1.2 or need more information to isolate the cause according to the exhibited phenomenon. The contents mostly cover the problems relating to the C265 Main board and their remedies.
  • Page 93 EPSON Stylus Color 900 Table 3-23. CR Motor does not Operate Step Check Point Getting ready The connector used to control the CR motor is indicated for inspecting in the figure below. Using the oscillo scope, check for the waveforms.
  • Page 94 EPSON Stylus Color 900 Table 3-25. Pump/ASF Motor does not Operate Step Check Point Getting ready for The connector used to control the Pump/ASF motor inspecting is indicated in the figure below. Using the oscillo waveforms. scope, check the waveform for each phase output from the indicated connector.
  • Page 95 EPSON Stylus Color 900 Table 3-27. ASF Solenoid does not Operate Step Check Point Is the fuse (F4) Place the probes of the tester on the both terminals of open? the chip fuse on the C265 Main board, then check for electrical continuity.
  • Page 96 1. Using the exclusive program, reset the initial ink charge flag in the EEPROM. 2. Turn the printer back on. (Refer to Chapter 5 for details.) Reinstalling the Remove the upper case and check if the FFCs are printhead FFC.
  • Page 97 EPSON Stylus Color 900 Table 3-31. Cleaning does not Solve the Print Problem (continued) Step Check Point Is any ink tube Referring to the figure below, check the following disconnected from points: the cap unit? • Connection between two tubes and the bottom of the cap (Remove the whole cap from the unit to check the connection.)
  • Page 98 Action Turn the printer power off. Replace the printhead. Turn the printer back on. (The printer is in No Ink Cartridge condition.) Keep the Load/eject button pressed down for several seconds. The printer enters the I/C replacement sequence. (The printer...
  • Page 99 9. specifically, the nozzle selectors (5 rows in total) used in the mass produced Stylus Color 900 are purchased from either of the following two vendors: EPSON or Sharp. Their ICs slightly differ in the feed back voltage. Therefore, if the installed printhead has the...
  • Page 100 For this reason, if you perform the operation in an incorrect procedure such as; Head replacement on the printer, the printer starts monitoring the temperatures before the printhead ID on the board is replaced with a new one, then shows the error consequently. On the other hand, if you follow the proper steps;...

  • Page 101: Disassembly And Assembly

           DISASSEMBLY AND ASSEMBLY...

  • Page 102: Overview

    EPSON Stylus Color 900 4.1 Overview This chapter describes procedures for disassembling the main components of EPSON Stylus Color 900. Unless otherwise specified, disassembly units or components can be reassembled by reversing the disassembly procedure. Therefore, no assembly procedures are included in this chapter.
  • Page 103 Never remove the ink cartridge from the carriage unless the manual specifies to do so. When transporting the printer after the ink cartridge has been installed, be sure to pack the printer for transport without removing the ink cartridge. Use only recommended tools for disassembling, assembling or adjusting the printer.

  • Page 104: Disassembly Procedures

    EPSON Stylus Color 900 4.2 Disassembly Procedures The flowchart below shows procedures for disassembly. Disassembly and Assembly Figure 4-1. Disassembly Flowchart Disassembly Procedures Revision C...
  • Page 105 EPSON Stylus Color 900 If you have replaced specified parts, you must make necessary adjustments. See the following tables which shows the parts removed/replaced and corresponding adjustments required, and perform adjustments in the correct order. (See Chapter 5 “Adjsutment” for detailed procedures.)

  • Page 106: Upper Case And Control Panel Removal

    Front Case Figure 4-2. Upper Case Removal Disassembly and Assembly 4. Remove one screw securing the front case (on the left) to the printer mechanism, then pull the front case forward and remove it from the printer. 5. Pull the output tray to the left and remove it.

  • Page 107: Printer Mechanism Removal

    EPSON Stylus Color 900 4.2.2 Printer Mechanism Removal 1. Remove the upper case. (See Section 4.2.1.) 2. Unlock the cable clamp on the relay board, then take all harnesses out of the cable holder. Screws securing the Printer Mechanism Screws securing the Waste Ink Drain Pads Figure 4-4.

  • Page 108: C265 Main Board Unit Removal

    5. Disconnect two printhead control FFCs from the C265 main board. 6. Remove four large screws securing the printer mechanism to the lower case, and remove the printer mechanism. After replacing the Waste Ink Pads, perform any necessary adjustments.

  • Page 109: Relay Board And Cooling Fan Removal

    EPSON Stylus Color 900 4.2.4 Relay Board and Cooling Fan Removal 1. Remove the C265 Main board. (See Section 4.2.3.) 2. Remove all connectors from the relay board. (See Figure 4-5 when connecting them.) 3. Remove two screws securing the relay board to the shield plate on the C265 Main board, then remove the relay board.

  • Page 110: Shield Plate On The C265 Main Board Removal

    EPSON Stylus Color 900 4.2.5 Shield Plate on the C265 Main Board Removal 1. Remove the C265 Main board. (See Section 4.2.3.) 2. Remove the remaining four connectors from the relay board. (See Figure 4-5 when connecting them.) 3. Remove two screws securing the right upper main shield plate to...

  • Page 111: C265 Psb/Pse Board Removal

    EPSON Stylus Color 900 4.2.6 C265 PSB/PSE Board Removal 1. Remove the printer mechanism. (See Section 4.2.2.) 2. Disconnect three connectors CN1, CN2, and CN3 from the C265 PSB/PSE board. 3. Remove three screws (including one for grounding) securing the C265 PSB/PSE board to the lower case, then remove the C265 PSB/PSE board unit.

  • Page 112: Printer Mechanism Disassembly

    1. Remove the printer mechanism. (See Section 4.2.2.) 2. If any ink cartridge is installed in the carriage unit, remove it. 3. Release the carriage lock at the back of the printer mechanism, and move the carriage unit to the left end of the printer mechanism.
  • Page 113 EPSON Stylus Color 900 9. Remove two screws securing the head fixing lever which is fixing the printhead by the bottom of the carriage unit, then pull out the suspension plate to the right. 10. Remove two actuators for the ink cartridge sensors. (Note the black one is for the black cartridge and the white one is for the color cartridge.)

  • Page 114: Cr Motor Removal

    EPSON Stylus Color 900 4.2.7.2 CR Motor Removal 1. Remove the printer mechanism. (See Section 4.2.2.) 2. Release the carriage lock at the back of the printer mechanism, then move the carriage unit away from the home position. (See Figure 4-13.) 3.

  • Page 115: Pf Motor Removal

    Figure 4-19. PF Roller Driver Gear Installation 3. Remove three screws securing the PF motor to the printer mechanism, and remove the PF motor. PF motor pinion gear as well as the PF roller drive roller is a high-precision gear.

  • Page 116: Pump/Asf Motor And Solenoid Removal

    DE subassembly frame, and remove the solenoid. To remove the pump/ASF motor, remove three screws securing the DE subassembly frame to the back of the printer mechanism, then remove the DE subassembly frame along with the pump/ASF motor.
  • Page 117 EPSON Stylus Color 900 4.2.7.5.1 ASF Disassembly 1. Remove the ASF. (See Section 4.2.7.5.) 2. Remove the left shaft bushing located at the left end of the loading (LD) roller shaft. Figure 4-22. Left Bushing Removal 3. Remove the release hopper lever from the LD roller shaft.
  • Page 118 EPSON Stylus Color 900 6. After removing the hopper assembly, shift the LD roller shaft to the left end to release the right end, then remove the LD roller shaft along with the right and left paper loading assemblies. 7. Shift the LD roller shaft to the left to pull it out from the paper loading rollers (right and left).
  • Page 119 EPSON Stylus Color 900 Before assembling the ASF, ensure the following four parts are correctly mounted onto the paper loading assembly. - One Torsion spring - One extension spring - One compression spring - One rod spring Figure 4-28. Parts in Paper Loading Assembly...
  • Page 120 EPSON Stylus Color 900 When installing the hopper assembly into the ASF frame with the paper loading assemblies and LD roller assemblies mounted on it, set the straight end (one of the ends of each spring is bent straight) facing upward.

  • Page 121: Asf Sensor Removal

    EPSON Stylus Color 900 4.2.7.6 ASF Sensor Removal 1. Remove the ASF unit. (See Section 4.2.7.5.) 2. Viewing the ASF unit from the front, remove the bushing (left) fixed at the left end of the shaft. Figure 4-32. Left Bushing Removal 3.

  • Page 122: Crhp Sensor Removal

    Disassembly and Assembly 4.2.7.8 PE Sensor Removal 1. Remove the printer mechanism. (See Section 4.2.2.) 2. Release the hook securing the PE sensor at the back of the printer mechanism, and remove the PE sensor. Figure 4-36. PE Sensor Removal...

  • Page 123: Encoder Belt Sensor Removal

    EPSON Stylus Color 900 4.2.7.9 Encoder Belt Sensor Removal 1. Remove the printer mechanism. (See Section 4.2.2.) 2. Using your hand, push the fixing lever holding the encoder belt by the left end to the right, then remove the encoder belt when the encoder belt is released enough.

  • Page 124: Carriage Unit Removal

    EPSON Stylus Color 900 4.2.7.10 Carriage Unit Removal 1. Remove the printer mechanism. (See Section 4.2.2.) 2. Remove the encoder belt. (See Section 4.2.7.9.) 3. Remove the tension spring from the belt pulley holder. Torsion Spring Pulley Holder Figure 4-39. Belt Tension Spring Removal 4.

  • Page 125: Pump Unit Removal

    EPSON Stylus Color 900 9. Turn the parallelism adjustment bushing to the left to align the bushing with the cutout in the left frame, then pull the parallelism adjustment forward. 10. Shift the whole carriage guide shaft to the right to release the joint at the left end, then remove the carriage guide shaft and carriage unit together.

  • Page 126: Paper Eject Frame Removal

    EPSON Stylus Color 900 4.2.7.12 Paper Eject Frame Removal 1. Remove the printer mechanism. (See Section 4.2.2.) 2. Remove the pump unit. (See Section 4.2.7.11.) 3. Remove the carriage unit. (See Section 4.2.7.10.) 4. Remove hooks securing 2 FFC holders (one on the paper eject frame and the other on the right frame), and remove the FFC holders.

  • Page 127: Platen Removal

    EPSON Stylus Color 900 4.2.7.14 Platen Removal 1. Remove the paper eject roller. (See Section 4.2.7.13.) 2. Lift up the front edge of the platen, and remove the plate. Platen Figure 4-45. Platen Removal Disassembly and Assembly Disassembly Procedures Revision C...

  • Page 128: Pf Roller Removal

    Figure 4-47. Releasing the Paper Guide (Upper) Disassembly and Assembly 4. Pull all the paper guides (upper) out to the front side of the printer mechanism (paper ejection side). 5. Remove the tension spring stretching the encoder belt from the back of the printer mechanism.
  • Page 129 EPSON Stylus Color 900 7. Remove three screws securing the top frame (two by the front and the rest by the rear right of the printer mechanism), and remove the top frame. Screws securing the Top Frame Top Frame Figure 4-49. Top Frame Removal (1) Screw securing the Top Frame (at the back) Figure 4-50.

  • Page 130: Adjustment

           ADJUSTMENT...

  • Page 131: Overview

    Table 5-1 - Table 5-3. Adjustment When adjusting the printer, be sure to refer to Table 5-1 to check for all the necessary adjustment items and perform them in the correct order. Failure to do so may directly affect to print quality adversely.
  • Page 132 EPSON Stylus Color 900 Table 5-1. Actions Taken and Corresponding Adjustments in Order Actions taken Step Corresponding adjustment required Printhead Install a new I/C in the I/C replacement sequence replacement (user performable) and make suer it is completed. <Purposes> 1. To avoid counter mis-matching 2.
  • Page 133 If the step 1 is not effective, perform “Ink Charge Flag Reset” using the service program and then turn the printer off. In 10 seconds, turn the printer back on, and “Initial Ink Charge” begins automatically. Waste Pad Replace the waste ink pad.

  • Page 134: Adjustments

    EPSON Stylus Color 900 5.2 Adjustments This section describes the procedure for each adjustment. Be sure to observe the CAUTION and tables in Section 5.1.1 before starting adjustments. 5.2.1 Preliminary Operation Perform the preliminary operation, which is required prior to actual adjustment operation, by following the steps below.
  • Page 135 1) Resets the Hardware 2) Returns to the idles state 3) Reads the model name. For this reason, the printer takes 25 - 30 seconds to read data. Since the service program for the Stylus Color 900 shows the countdown to...

  • Page 136: Market Destination Check

    This section describes how to confirm the destination selected in Section 5.2.1 / Step 6. Unlike reading the model name (Section 5.2.1 / Step 9-3), this routine only includes reading data from the printer’s RAM. Therefore, the marked destination can be checked immediately.

  • Page 137: Head Actuator Voltage Input

    Head ID. After replacing the printhead, if you install the I/C before turning on the printer, the next power on may cause the Head Hot Error (Panel Indication = Ink Out Error), and the printer loses all controls by the PC in that error condition.
  • Page 138 EPSON Stylus Color 900 6. The following screen appears. Figure 5-9. ROM Version Selection Screen 7. Remove the Type-B interface and check the version of the currently installed ROM. Note the ROM version whose last digit is A, B, or C is defined as “Old ROM”, while the one tailed with D or newer is...
  • Page 139 EPSON Stylus Color 900 Figure 5-10. Detailed Flowchart for the Head Angular Voltage Input NOTE: As shown in the flowchart, there are two specific cases, which are: 1) The ROM’s version is old and the newly installed printhead’s version is new.
  • Page 140 RAM. (Though the screen messages indicate that the ID has been input in the EEPROM, it is actually written into the EEPROM when the printer is turned off.) 11. Press ESC key twice. The screen returns to the sub adjustment menu screen to continue to the next adjustment.

  • Page 141: Head Angular Adjustment

    Figure 5-14. Head Angular Adjustment Initial Screen 4. Select “Print the head angular adjustment pattern” to check the current head angular condition. 5. The following screen appears and the printer starts running Head Angular Adjustment Pattern. Figure 5-15. Screen during the Head Angular Adjustment Pattern Print...
  • Page 142 EPSON Stylus Color 900 6. The printer executes printing and automatically ejects the sheet. Figure 5-16. Print Result of the Head Angular Adjustment Pattern 7. Referring to Figure 5-17 and Figure 5-18, determine whether the H- shape patterns are good or not. The figures includes four patterns which are OK and four patterns which are NG (No Good).
  • Page 143 12. Select “Yes” in the screen (Figure 5-20). NOTE: If no printing data (command) is input to this printer for 3 minutes while power is on, the current which magnetizes the Pump/ASF motor completely drops. The drive sent from this motor is also used to lock/release the carriage lock lever.
  • Page 144 EPSON Stylus Color 900 Figure 5-22. Recovery from Unmagnetized Status Adjustment 13. The following screen appears and the carriage automatically moves toward the 80th column. Figure 5-23. Screen after “Head Angular Adjustment” is Selected 14. Loosen the screw securing the head fixing plate on the right side of the carriage unit by turning it 90 - 180 .
  • Page 145 18. Press the Enter key in the screen (Figure 5-25). 19. The printer runs the Head Angular Adjustment Pattern. The following screen appears. Figure 5-27. Prompt to Move the Angular Adjustment Lever 20.
  • Page 146 Step 27. The screen returns to the condition shown in Figure 5-28. 29. In the screen (Figure 5-28), press the Enter key. 30. The printer prints with the angular lever set to the selected position. The pattern, however, remains in the lower part of the mechanism frame and can not be seen.
  • Page 147 32. The following screen appears. Figure 5-30. Head Angular Adjustment End Sequence 33. The printer turns off in an instant. This sequence, called Hardware Reset, takes approximately 30 seconds to execute. During this sequence, the programs shows countdown and the message indicating restriction on any action using the program and generating commands.

  • Page 148: Bi-Directional Adjustment

    2. Variable dot (forms normal dots) 3. Normal dot only Figure 5-32. Screen after “Print the Bi-D adjustment pattern” is Selected 6. Press the Enter key. 7. The following screen appears and the printer runs the Bi-D adjustment pattern consequently. Adjustments Revision C...
  • Page 149 EPSON Stylus Color 900 Figure 5-33. Screen during the Bi-D Adjustment Pattern Print 8. A Bi-D adjustment pattern includes items shown in the sample in Figure 5-34 in the right column. 9. While the Bi-D adjustment pattern is running, the screen returns to the Bi-Directional Adjustment screen (Figure 5-31).
  • Page 150 EPSON Stylus Color 900 11. Select “Adjust” in the screen. 12. The following screen appears. Figure 5-35. Bi-D Adjustment Mode Selection Screen 13. Select “Variable-1 Dot”. (If the center value for the Variable-1 Dot pattern has the completely aligned lines, you can select “Variable-2 Dot”...
  • Page 151 EPSON Stylus Color 900 Figure 5-38. Adjustment Value Input Screen (Variable-2) 20. As the Up/Down Arrow key is pressed, the value (shown in blue in the figure) increases/decreases. So you can select the desirable value. NOTE: Regardless of the value you have input, the center value (selected value) in the next Bi-D pattern sample will be “0”.
  • Page 152 27. The following screen appears. Figure 5-41. Screen after the Adjustment Value has been Written 28. To execute the adjustments, press the ESC key 5 times. The printer turns off and back on in an instant and the adjustment values are stored in the EEPROM.

  • Page 153: Printhead Cleaning Using The Program

    The service program for the Stylus Color 900 has the cleaning function. The command is always executed with the most powerful cleaning mode. Note the printer is not equipped with the dummy cleaning called CL3. Therefore, you can attempt to solve the nozzle clogging problem by pressing the Cleaning button on the control panel repeatedly.

  • Page 154: Initial Ink Charge

    Figure 5-45. Message during Ink Charge Flag Reset Operation 8. Turn the printer off. 9. Leave the printer as it is for 10 seconds. 10. Turn the printer back on. The printer performs Initialization and then Initial Ink Charge in sequence. Adjustments...

  • Page 155: Indication Of The Counter Value For The Waste Ink Pad

    Otherwise, the user may encounter ink leakage. 7. Disconnect the printer from the PC and replace the waste ink pads with new ones, referring to Chapter 6 “Maintenance”. 8. Referring to Section 5.2.1, perform the preliminary operation. Then select “Maintenance”...
  • Page 156 EPSON Stylus Color 900 9. Select “Clear the Protection Counter Value”. 10. The following screen appears. Figure 5-48. Selection Menu before Clearing the Protection Counter 11. Select “Already replaced”. If you have selected “Have not replace” because you have not replaced the waste ink pads, the screen returns to the initial protection counter screen (Figure 5-46).

  • Page 157: Fan Check

    This program enables you to check the fan’s operational condition. In the Stylus Color 900, the fan does not necessarily rotate when the printer is turned on. Therefore, if the Head Hot Error (indication on the panel: Ink Out Error) occurs frequently, the fan must be checked for its condition.

  • Page 158: Paper Gap Adjustment

    EPSON Stylus Color 900 5.2.10 Paper Gap Adjustment Paper Gap Adjustment is performed to provide a proper gap between the printhead surface and paper surface. It must be made under the following conditions. (This adjustment can not be made without removing the upper case.)
  • Page 159 EPSON Stylus Color 900 9. If the thickness gauge does not move, move the right parallelism adjustment bushing upward by one notch. The direction for moving the bushing and corresponding change in PG amount is as shown in the following figure.
  • Page 160 EPSON Stylus Color 900 22. Holding the right parallelism adjustment bushing with your hand so it does not move, fasten the screw. 23. Holding the left parallelism adjustment bushing with your hand so it does not move, fasten the screw.

  • Page 161: Maintenance

           MAINTENANCE...

  • Page 162: Overview

    Observe the instructions below to perform servicing appropriately. For solutions for any other error conditions, refer to Chapter 5 “Troubleshooting”. This C265 Main board in this printer has a lithium battery on it. Observe the instructions below when handling the battery.

  • Page 163: Cleaning The Printhead

    EPSON Stylus Color 900 6.1.1.1 Cleaning the Printhead If your printout shows problems such as white banding, color banding, dot missing, or improper ink ejection (bad alignment), the printhead needs to be cleaned. The cleaning methods equipped with the Stylus Color 900 are as shown in Figure 6-1.

  • Page 164: Maintenance Request Error

    EPSON Stylus Color 900 6.1.1.2 Maintenance Request Error The Maintenance Request Error is indicated when the waste ink absorber located in the lower case becomes near full. The table below shows methods and procedures necessary to clear the Maintenance Request Error.

  • Page 165: Lubrication And Adhesion

    EPSON Stylus Color 900 6.2 Lubrication and Adhesion The types lubricants used in the Stylus Color 900 are specified by SEIKO EPSON. Lubricate the printer if necessary under the following conditions; Oil has been wiped off during cleaning. Printer has been disassembled/assembled.

  • Page 166: Lubricating The Carriage Guide Shaft

    EPSON Stylus Color 900 6.2.1 Lubricating the Carriage Guide Shaft This section includes the procedure for lubricating the carriage guide shaft. Unlike other models, the lubrication of the carriage guide shaft is performed under many restrictions. Therefore, be sure to observe the CAUTION in the previous section and perform lubrication by strictly following the steps specified.
  • Page 167 Figure 6-7. Supplying Oil to the Oil Pad (2) 12. Install the carriage guide shaft to the carriage unit then to the printer main body. (See Chapter 4 / Section 4.2.7.10.) 13. Install the printhead. (See Chapter 4 / Section 4.2.7.1.) 14.
  • Page 168 EPSON Stylus Color 900 Table 6-2. Oil Applied to the Stylus Color 900 Type Part name Content Part code Grease G-26 B702600001 1019753 NOTE: No adhesion is used in the Stylus Color 900. Table 6-3. Lubrication Points Using G-26 Lubricating Point...
  • Page 169 EPSON Stylus Color 900 Table 6-6. Lubrication Points (continued) Lubricating Point U-shape groves on the right and left edges of the [Paper Guide Front Unit]. The surface of the [Shaft, CR] NOTE: Do not apply lubricant to the [Shaft, CR, Support].
  • Page 170 EPSON Stylus Color 900 Revision C Figure 6-12 Figure 6-10 Figure 6-11 G-26 Figure 6-14 Figure 6-13 Maintenance Lubrication and Adhesion...

  • Page 171: Appendix

           APPENDIX...

  • Page 172: Connector Summary

    EPSON Stylus Color 900 7.1 Connector Summary Figure 7-1 shows the cable connection of the Stylus Color 900. Figure 7-1. Cable Connection of the Stylus Color 900 Appendix Table shows the connector assignment of the C265 Main Board. Table 7-1. C265 Main Board Connections...
  • Page 173 EPSON Stylus Color 900 Table 7-2. Connector Pin Assignment - CN5 Signal Name 1, 7 ---- Ground 2, 3, 5, 6 +5 voltage supply Delay control at power off Table 7-3. Connector Pin Assignment - CN6 Signal Name 1, 6...
  • Page 174 EPSON Stylus Color 900 Table 7-5. Connector Pin Assignment - CN9 Signal Name COMe Power voltage for the Nozzle Row E (Yellow) GND2E Ground for the Nozzle Row E GND2E Ground for the Nozzle Row E ANODE5 Row E temperature detection analog signal...
  • Page 175 EPSON Stylus Color 900 Table 7-8. Connector Pin Assignment - CN12 Signal Name ASF A Phase A Input/Output data When inputting, connects a current from the Phase -A to the ground via the coil. ASF B Phase B Input/Output data When inputting, connects a current from the Phase -B to the ground via the coil.

  • Page 176: Eeprom Address Map

    EPSON Stylus Color 900 7.2 EEPROM ADDRESS MAP This section contains the EEPROM map for the Stylus Color 900. Table 7-13. EEPROM Address Map (1/8) Address Explanation Settings Password 0 EEPROM mapping revision reserved 0: STD 1: NLSP 0: Standard...
  • Page 177 EPSON Stylus Color 900 Table 7-15. EEPROM Address Map (3/8) Address Explanation Settings Interface time-out 0 to 255 (by second, value of 0 means 10 seconds) 0: Fast Compatibility speed 1: Slow 2: Special-1 3: Special-2 0: Fast ECP speed (*A)
  • Page 178 EPSON Stylus Color 900 Table 7-17. EEPROM Address Map (5/8) Address Explanation Settings Software bit7: Software A.G.M. (0=ESC/P, 1=IBM) Auto CR bit6: A.G.M. (0=Off, 1=On) Zero Slash bit5: Auto CR (0=Off, 1=On) bit4: Zero slash (0=Off, 1=On) Network I/F mode...
  • Page 179 EPSON Stylus Color 900 Table 7-19. EEPROM Address Map (7/8) Address Explanation Settings 5EH, 5FH Ink counter Ry0 60H, 61H Ink counter A0 62H, 63H Power off time 64H, 65H CL time 66H, 67H accumulated printing time 68H, 69H reserved for ink-...

  • Page 180: Component Layout

    EPSON Stylus Color 900 Revision c 7.3 Component Layout Figure 7-2. C265 Main Board (Component side) Appendix Component Layout...
  • Page 181 EPSON Stylus Color 900 Revision c Figure 7-3. C265 Main Board (Soldering side) Appendix Component Layout...
  • Page 182 EPSON Stylus Color 900 Revision c Figure 7-4. C265 PSB Board Figure 7-5. C265 PSE Board Appendix Component Layout...
  • Page 183 EPSON Stylus Color 900 Revision c Figure 7-6. C265 PNL Board Appendix Component Layout...

  • Page 184: Parts List

    EPSON Stylus Color 900 7.4 Parts List Table 7-21. Parts List (1/6) Description HOUSING, UPPER HOUSING, LOWER COVER, PRINTER PAPER SUPPORT ASSY HOUSING, REAR COVER, CONNECTOR, UPPER 124 STACKER ASSY. HOUSING, PANEL, RIGHT KEY TOP OPTICAL PLATE SLEEVE, OPTICAL PLATE...
  • Page 185 EPSON Stylus Color 900 Table 7-23. Parts List (3/6) Description SHAFT, PAPER GUIDE, UPPER CLEANER, HEAD, ASP TORSION SPRING, 117.6 SHAFT, CR, GUIDE SHAFT, ROLLER, DRIVEN LEVER, PG, SUB ROLLER, DRIVEN;E OIL PAD HOLDER, LINEAR SCALE COVER, CARTRIDGE, BK EXTENTION SPRING, 2.13...
  • Page 186 EPSON Stylus Color 900 Table 7-25. Parts List (5/6) Description LEVER, CHANGE HOLDER, SHEET, PAPERFEED COMBINATION GEAR, 14.4, 24 ROLLER ASSY, LD, LEFT SPUR GEAR, 20.8 ROLLER ASSY, LD, RIGHT COMBINATION GEAR, 12.8, COVER, ROLLER, LD, LEFT 27.2 COMBINATION GEAR, 20, 38.4 COVER, ROLLER, LD, RIGHT SPUR GEAR, 26.25...

  • Page 187: Exploded Diagrams

    EPSON Stylus Color 900 Revision c 7.5 Exploded Diagrams See the following pages for the Exploded diagrams. Appendix Exploded Diagrams...
  • Page 188 EAI Only for EAI,LATIN for LATIN for USA EPSON STYLUS COLOR 900 Rev.01 for ETT for EUR.,ASIA, OSEANIA No.1 10056...
  • Page 189 EPSON STYLUS COLOR 900 No.2 Rev.01 10056...
  • Page 190 EPSON STYLUS COLOR 900 No.3 Rev.01 10056...
  • Page 191 (501) EPSON STYLUS COLOR 900 Rev.01 No.4 10056...
  • Page 192 589 590 589 590 589 590 589 590 589 590 589 590 (503) (504) EPSON STYLUS COLOR 900 Rev.01 10056 No.5...
  • Page 193 EPSON STYLUS COLOR 900 No.6 Rev.01 10056...
  • Page 194 02 for S.E.ASIA EPSON STYLUS COLOR 900 No.7 10056 Rev.01...

  • Page 195: Circuit Diagrams

    EPSON Stylus Color 900 7.6 Circuit Diagrams See the following pages for the circuit diagrams below. C265 Main Board (1/2) C265 Main Board (2/2) C265 PSB Board C265 PSE Board C265 PNL Board Appendix Circuit Diagrams Revision c...

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