Epson AcuLaser CX-11N Repair Manual
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Epson AcuLaser CX-11N Repair Manual

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See also: Basic Manual , Basic Operation Guide
Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide

TABLE OF CONTENTS

TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV
ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
XEROGRAPHY CONCEPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Monochrome (Single Color) Laser Printer Image Formation . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Step 1: Charging/Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 2: Exposure/Writing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step 3: Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 4: Image Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Step 5: Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Step 6: Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Step 7: Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Color Laser Printer Image Formation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Copier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Fax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Sending a Fax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Receiving a Fax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
CONTROL PANEL OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Support Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Changing the LCD Panel Backlight Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Setting Print Density, Feed Offset, and Scan Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
EEPROM Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Panel Settings Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
RAM Check All Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Maintenance Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Maintenance Mode Menu Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
MFP Maintenance Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Self Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fax Maintenance Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
MOTORS, SOLENOIDS & CLUTCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Printer Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ADF Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Scanner Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Printer Component,
Software Item,
LCD Display,
Printer Button
9/9/05
Page i.

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Summary of Contents for Epson AcuLaser CX-11N

  • Page 1: Table Of Contents

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 TABLE OF CONTENTS TABLE OF CONTENTS ............I REVISION HISTORY .
  • Page 2 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Solenoids ..............24 Printer Solenoids .
  • Page 3 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Wrinkled or Folded Paper ........... 55 Image Not Fixed (Fused) To Paper .

  • Page 4: Revision History

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 REVISION HISTORY REVISION HISTORY 07/05/05 First Release 7/28/05 Added Table of Abbreviations, updated Switches and Sensors, Troubleshooting to include Scanner and ADF, and Circuit Board information 9/9/05 Corrected spelling and grammer errors.

  • Page 5: Abbreviations

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 ABBREVIATIONS ADC ....Automatic Density Control AG ....Analog Ground APS .
  • Page 6 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 DTS ....Detack Saw DUP ....Duplex ESB .
  • Page 7 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 LVPS ....Low Voltage Power Supply M ..... Magenta MAG .
  • Page 8 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 REGI....Registration RH ....Right Hand ROS .

  • Page 9: Xerography Concepts

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 XEROGRAPHY CONCEPTS Monochrome (Single Color) Laser Printer Image Formation Laser printers employ the Xerographic or Electrophotographic process. This process uses a laser beam to etch the image onto a light sensitive material, high voltages to move toner to the paper and heat to fuse the toner to the media.

  • Page 10: Step 1: Charging/Conditioning

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Step 1: Charging/Conditioning Conditioning is the first step of laser printer image formation process. During this stage, a high negative charge is applied across the entire surface of the OPC Drum (Organic Photo Conductive) via the charging roller (see Figure 2).

  • Page 11: Step 2: Exposure/Writing

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Step 2: Exposure/Writing The image is etched onto the OPC Drum using a laser diode, motor driven polygonal mirror and a series of lenses and mirrors. The laser beam is deflected by the polygonal mirror, through a series of lenses and mirrors and onto the OPC Drum.

  • Page 12: Step 3: Development

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Step 3: Development In the development stage, the toner is transferred to the electrostatic image on the OPC Drum. The negatively charged toner on the Magnetic Roller is attracted to the less-negative latent image on the OPC Drum. The amount of toner that is attracted to the Magnetic Roller can be altered allowing the print density to be controlled.

  • Page 13: Step 4: Image Transfer

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Step 4: Image Transfer During the image transfer stage, the image that is now visible on the OPC Drum is transferred to the media. As the media moves through the paper path, it makes contact with the OPC Drum. The media is charged with a positive charge causing the toner to be attracted to the media.

  • Page 14: Step 6: Fusing

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Step 6: Fusing Figure 7: The toner image is permanently bonded to the media by the heat roller and fuser belt. With the toner now resting on the media, the printer moves the paper through the paper path to the Fuser where heat heat is applied to permanently bond the toner into the media.

  • Page 15: Step 7: Cleaning

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Step 7: Cleaning The final step in the laser printer image formation process is the cleaning stage. During the cleaning stage, any lin- gering toner residue that was left on the OPC Drum needs to be cleaned off before the next image can be created.

  • Page 16: Color Laser Printer Image Formation

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Color Laser Printer Image Formation The color laser printer image formation follows very similar processes to that of monochrome laser printers. With the color laser printer however, there are a few differences;...
  • Page 17 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Each color of the image is transferred from the OPC Drum to the Transfer Belt until all color images are formed. The colors are transferred from darkest color to lightest color (Black first, Magenta second, Cyan third, and Yellow last).
  • Page 18 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Figure 10: Typical Color Laser printer image formation process Printer Component, Software Item, LCD Display, Printer Button Page 10. manuals4you.com manuals4you.com...

  • Page 19: Introduction

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 INTRODUCTION The difference between the two models of the AcuLaser CX-11is as follows: CX-11N - No fax capability CX-11NF - Fax capability The AcuLaser CX-11is classified as a Multi-Function Page Printer (MFPP) with the following functions: •...

  • Page 20: Fax

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Faxing The fax function is Super G3 compatible, communicates at speeds from 2.4 Kbps (KiloBits Per Second) to 33.6 Kbps dependant upon phone line conditions, supports both PSTN (Public Switched Telephone Network) and PBX (Private Branch Exchange), conforms to Color FAX standards and conforms to the communication standards of 36 countries.

  • Page 21: Control Panel Operation

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 CONTROL PANEL OPERATION C A U T I O N Except for Support Mode and Initialization of Panel Settings, do not make these functions available to users. NOTE: Keep the buttons depressed until the LCD display indicates that the function has been activated. See the following pages for the specific LCD display message.

  • Page 22: Support Mode

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Support Mode Support Mode enables access to the following settings via the Setup function: • LCD Panel Backlight control (ON/OFF/AUTO) • Print Density Adjustment based on media type/thickness • Feed Offset - The vertical position at which to start printing •...

  • Page 23: Setting Print Density, Feed Offset, And Scan Offset

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Setting Print Density, Feed Offset, and Scan Offset Enable Support Mode by depressing the Down Arrow button while powering the CX-11 on. Keep the Down Arrow button depressed until “SUPPORT MODE” is displayed in the upper left corner of the LCD Panel.

  • Page 24: Eeprom Initialization

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 EEPROM Initialization When the EEPROM is initialized, all counters printed on the Engine Status Sheet are zeroed except the 2nd BTR Counter. For a detailed listing of counters initialized, refer to the AcuLaser CX11/CX11F Service Manual Chapter 6, Table 6-3.

  • Page 25: Maintenance Mode

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Maintenance Mode Detailed information regarding the Maintenance Mode is located in the AcuLaser CX11/CX11F Service Manual Chapter 6, Section 6.4. Maintenance Mode Menu Items • Engine Status Sheet - prints the counted values of each unit which makes up the printer engine.

  • Page 26: Mfp Maintenance Mode

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Depress the Right Arrow button. Depress the Up Arrow Down Arrow button until the desired menu item is highlighted. Depress the Right Arrow button to execute the function or the Left Arrow button to cancel the operation.

  • Page 27: Fax Maintenance Mode

    X = Not Cleared • Memory Check - Read/Change memory data Do not access Memory Check unless instructed by Epson’s Advanced Technical Support Department. • Parameter Check - Read/Change fax parameters Do not access Memory Check unless instructed by Epson’s Advanced Technical Support Department.

  • Page 28: Motors, Solenoids & Clutches

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 MOTORS, SOLENOIDS & CLUTCHES Motors Printer Motors 2nd BTR Retract Motor (PPL Ref # 11-01-07) Brings the 2nd BTR into contact with the paper during the 2nd transfer process and moves the BTR away from the paper after the transfer is finished.
  • Page 29 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Printer Component, Software Item, LCD Display, Printer Button Page 21.
  • Page 30 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Printer Component, Software Item, LCD Display, Printer Button Page 22. manuals4you.com manuals4you.com...

  • Page 31: Adf Motors

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 ADF Motors ADF Motor (PPL Ref # 14-02-16) Drives the paper feed mechanism to transport the document from the document tray to the scanning section. If the motor is defective, replace the entire ADF Assembly (PPL Ref # 13-01-23).

  • Page 32: Solenoids

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Solenoids Printer Solenoids Pick Up Solenoid (PPL Ref # 04-01-23) The Pick Up Solenoid is energized when Paper Feed is initiated. The Pick Up Solenoid controls the rotation of the Pick Up Gear. When the solenoid is energized, the Pick Up Gear is unlocked and the MSI Roll is rotated by the PH Motor, causing a sheet of paper to be fed into the printer.

  • Page 33: Clutches

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Clutches Printer Clutches Pre-Regi Clutch Assembly (PPL Ref # 05-02-22) When the Pre-Registration Clutch Assembly is energized, the drive from the PH Motor is transmitted to the Pre- Registration Roll Assembly and paper is fed to the registration section.

  • Page 34: Adf Clutches

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 ADF Clutches Pick Up Roller Clutch (PPL Ref # 17-04-02) Provides ADF Motor drive energy to the Pick Up Roller. The clutch is turned on to transmit the motor drive to the...

  • Page 35: Circuit Boards And Their Functions

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 CIRCUIT BOARDS AND THEIR FUNCTIONS Printer Circuit Boards PWBA MCU (PPL Ref # 12-02-01) PWBA MCU is the Print Engine Controller. It performs communication with the printer controller (PWBA ESS /Main Logic Board) and controls the components used to perform printing operations.

  • Page 36: Scanner Circuit Boards

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Fax Board (PPL Ref # 12-02-16) Provides the interfacing and protocol handling between the unit, the Telco and distant end fax machine. Network Board (PPL Ref # 12-02-09) Provides the interfacing and protocol handling between the unit and an ethernet network.

  • Page 37: Switches And Sensors

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 SWITCHES AND SENSORS Switches Printer Switches Test switches with AC Power OFF. Set your multimeter to read resistance (ohms). The switch should toggle between open/shorted or shorted/open when activated/deactivated. Either type of reading is acceptable.
  • Page 38 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 2nd BTR Cover Switch (PPL Ref # 06-01-18) Detects whether the COVER, PR 2ND is opened or closed. Front Interlock Switch (PPL Ref # 01-01-27) Cuts the +24VDC power supply for driving motors and other parts when the Front Cover Assembly U is opened.

  • Page 39: Adf Switches

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 ADF Switches Document Width Sensors (Switches) (PPL Ref # 13-03-08 (Ltr) & 13-03-09(B5)) Detects the positions of the side edge guides on the document tray. The two Document Width Sensors detect doc- ument size (width) by combination action as follows.
  • Page 40 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Fuser Exit Sensor (Must replace Fuser Assembly PPL Ref # 10-01-01) Detects that paper has been ejected from the Fuser. (No paper state = shielding the sensor) Fuser In Sensor (PPL Ref # 06-01-03) Detects that paper has come to just before the fusing section.
  • Page 41 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Toner Full Sensor (PPL Ref # 07-01-24) Detects the state of the Waste Toner Box. The Waste Toner Box contains an actuator for blocking light entering the sensing element of the Toner Full Sensor. The actuator falls by the weight of the toner. When the actuator blocks the Toner Full Sensor, the printer detects that the Waste Toner Box is full.

  • Page 42: Adf Sensors

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 ADF Sensors ADF Cover Open Sensor (PPL Ref # 14-02-11) Detects whether the ADF Cover is opened or closed. The sensor turns ON when the ADF Cover is opened causing the ADF Motor to stop and the clutch to turn off. If the sensor is defective, replace the entire ADF Assembly (PPL Ref # 13-01-23) Note: This is a Magnet Sensor.

  • Page 43: Scanner Sensors

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Scanner Sensors ADF/Document Cover Open Sensor (Not Referenced in the PPL) Detects the open/close status of the Document Cover (CX-11N) or the ADF Assembly (CX-11NF). It is attached to the underside of the Scanner’s upper case front right corner. If the Document Cover (CX-11N) or the ADF Assem- bly (CX-11NF) is opened while the scanner is in standby mode, the Scanner Lamp is turned on and the Carriage Unit moves to its home position.

  • Page 44: Disassembly/Assembly

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 DISASSEMBLY/ASSEMBLY Right Side Cover Assembly Removal Removing the Right Side Cover Assembly can be difficult if the instructions below are not followed explicitly. If these instructions are not followed, It is quite possible to damage the cover. Follow the steps listed below to remove the Right Side Cover Assembly.

  • Page 45: Reassembly Note

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Reassembly Note Install the Right Side Cover Assembly as follows: Place the bottom edge of the Right Side Cover into its proper position. Pivot the Right Side Cover into position. Lift up on the Front Top tab and position the tab onto the metal frame.
  • Page 46 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Printer Component, Software Item, LCD Display, Printer Button Page 38. manuals4you.com manuals4you.com...

  • Page 47: Troubleshooting

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 TROUBLESHOOTING Error Message During Power-up/Warm-up When an error occurs during the Power-up Sequence or during the Warm-up Sequence refer to the Error Codes and Warnings chart below and to the Power-up/Warm-up Sequence Flowchart to isolate the cause of the error.
  • Page 48 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Panel Message Description Service Req Eggg Engine related service request “3.4.4.2 List of Service Request” (p149) Check “Error list related to paper jam” (p146) Transparency Paper Jam “Error list related to paper jam” (p146)
  • Page 49 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Panel Message Description SCANNER ERRORS Scanner cover open (p.285) error PC connection • The computer is not connected directly to the product. • Required application has not been installed. failed Net connection...

  • Page 50: Warnings And Errors

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Warnings and Errors Class Panel Message Error LED Description See FIP Y Toner Low The toner supply time of the Yellow Toner Cartridge has reached the preset time. 64 (p.237) The printer, however, can be operated.
  • Page 51 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Class Panel Message Error LED Description See FIP TonerCart Error M A communication error occurred between PWBA MCU and ANTENNA CTRG 14 (p.166) (CRUM CTRIG). An error occurred writing data to ANTENNA CTRG (CRUM CTRIG).

  • Page 52: Service Required Error Messages

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Service Required Error Messages Class Panel Message Description See FIP Service Req E510 ROS Motor Failure PWBA MCU could not receive signals output from SOS Sensor in ROS within the specified 40 (p.208) time.
  • Page 53 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Class Panel Message Description See FIP Service Req E527 Rotary Home Position Sensor error PWBA MCU could not receive signals output from Rotary Home Position Sensor within 41 (p.209) the specified time after rotation of Rotary Developer.
  • Page 54 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Class Panel Message Description See FIP Service Req C0017 CPU error (undefined interruption) Service Req C0081 CPU error (TLB modification exception) Service Req C0082 CPU error (TLB miss exception [Load/Fetch]) Service Req C0083...
  • Page 55 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Class Panel Message Description See FIP Service Req C0256 CPU error (divide by 0) Service Req C0257 CPU error (arithmetic overflow) Service Req C0258 CPU error (break occurrence) C1 (p.245) Service Req C0800...

  • Page 56: Power-Up Sequence Flowchart

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Power-up Sequence Flowchart Printer Component, Software Item, LCD Display, Printer Button Page 48. manuals4you.com manuals4you.com...

  • Page 57: Printer Paper Jams

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Printer Paper Jams List of Paper Jam Error Panel Jammed Description Message Location Jam LC, The SENSOR T/R did not turn ON within the specified time from (p.178) SOLENOID FEED - ON.

  • Page 58: Print Quality

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Print Quality Incorrect Colors or Hueing • Occurs when copying or faxing, but when printing from a computer. 1. Defective Scanner Streaks, Lines or Blotches in Print Reference AcuLaser CX11/CX11F Service Manual Section 3.4.5.3 •...
  • Page 59 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Part (Roller) Name Pitch (mm) XERO CRU Photoconductor Unit DRUM 147.7 mm/5.8 inches 37.7 mm/1.48 inches 1st BTR 31.4 mm/1.24 inches 49.3 mm/1.94 inches IDLE ROLL 36.9 mm/1.45 inches CLN BRUSH 24.1 mm/0.95 inches...

  • Page 60: Light Print

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 • Streaks are either continuous or evenly spaced down the page when copying and when sending faxes but when printing from a computer or in received faxes. 1. Dirty Scanner Calibration Strip 2.

  • Page 61: Solid Black Pages

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Solid Black Pages Reference AcuLaser CX11/CX11F Service Manual Section 3.4.5.3 FIP-P3 1. Bad connection between the Photoconductor Unit and the frame. 2. ROS Assembly 3. PWBA LV/HVPS (Low Voltage/High Voltage Power Supply) 4.

  • Page 62: Ghosting (Residual Image)

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Ghosting (Residual Image) Reference AcuLaser CX11/CX11F Service Manual Section 3.4.5.3 FIP-P10 1. Bad connection between the Photoconductor Unit and the frame. 2. Photoconductor Unit 3. PWBA LV/HVPS (Low Voltage/High Voltage Power Supply) 4.

  • Page 63: Wrinkled Or Folded Paper

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Wrinkled or Folded Paper Reference AcuLaser CX11/CX11F Service Manual Section 3.4.5.3 FIP-P13 1. Paper out of spec or too moist 2. Obstruction/damage in the paper path 3. Worn/dirty rollers in the paper path 4.

  • Page 64: Uneven Print Density

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Uneven Print Density Reference AcuLaser CX11/CX11F Service Manual Section 3.4.5.3 FIP-P16 1. Bad PWBA LV/HVPS (Low Voltage/High Voltage Power Supply) Connections 2. Photoconductor Unit 3. PWBA LV/HVPS (Low Voltage/High Voltage Power Supply) 4.

  • Page 65: Abnormal Noise During Printing

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Abnormal Noise During Printing Reference AcuLaser CX11/CX11F Service Manual Section 3.4.6.2 FIP-N3 1. Photoconductor Unit 2. Developer Housing Assembly 3. Frame Assembly, Rotary 4. Fuser Assembly 5. Roll MSI 6. Motor Assy P/R 7.

  • Page 66: Paper Jams/Misfeeds

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Paper Jams/Misfeeds 1. Damaged original 2. Paper out of specification 3. Defective ADF (Automatic Document Feeder). Printer Component, Software Item, LCD Display, Printer Button Page 58. manuals4you.com manuals4you.com...

  • Page 67: Appendix

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Printer Component, Software Item, LCD Display, Printer Button Page 59.

  • Page 68: Main Logic Board Connections

    Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 MAIN LOGIC BOARD CONNECTIONS Printer Component, Software Item, LCD Display, Printer Button Page 60. manuals4you.com manuals4you.com...
  • Page 69 Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05 Fax Board Removed Fax Board Installed Printer Component, Software Item, LCD Display, Printer Button Page 61.

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