Epson AcuLaser CX-11N User Manual

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

Epson AcuLaser CX-11N Specifications

General

Brand	Epson
Model	AcuLaser CX-11N
Category	Printer
Language	English

Summary

Revision History

Abbreviations

Xerography Concepts

Monochrome Image Formation

Explains the process of image formation in monochrome laser printers, detailing seven key steps.

Color Image Formation

Details the image formation process for color laser printers, highlighting differences from monochrome.

Introduction to AcuLaser CX-11 Series

Printer Overview

Describes the Epson AcuLaser CX-11 series printer's capabilities, connectivity, and specifications.

Scanner Functionality

Details the scanner's features, including resolution, speed, and ADF integration.

Copier Functionality

Explains how the copier function utilizes the scanner to digitize and print documents.

Faxing Capabilities

Outlines the fax function's compatibility, speed, and operations for sending and receiving.

Control Panel Operation

Support Mode Access

Provides instructions on how to enter and use the printer's support mode for settings adjustment.

LCD Backlight Adjustment

Step-by-step guide to change the LCD panel's backlight brightness via the setup menu.

Print and Scan Offset Settings

Instructions for adjusting print density, feed offset, and scan offset through the support mode.

EEPROM and Panel Settings Initialization

Procedures for initializing EEPROM counters and resetting panel settings to factory defaults.

RAM Check and Maintenance Modes

Details on performing RAM checks and entering various maintenance modes for diagnostics.

MFP Maintenance and Self Diagnostics

Accessing MFP maintenance tools, self-diagnostic tests for printer and fax units.

Fax Maintenance Procedures

Information on memory clear and checks for fax system parameters and history.

Motors, Solenoids & Clutches

Printer Motor Descriptions

Details specific printer motors like 2nd BTR Retract, FSR, Mag, Micro, PH, P/R, and Rot motors.

ADF and Scanner Motor Functions

Explains the function of ADF Motor and Scanner Carriage Motor and their respective assemblies.

Solenoids Overview

Describes the operation of printer solenoids, including the Pick Up Solenoid.

Printer Clutch Functions

Details the operation of Pre-Regi Clutch and Regi Clutch Assemblies driven by the PH Motor.

ADF Clutch Operations

Explains the function of the Pick Up Roller Clutch in the ADF unit.

Scanner Clutch Information

States that no clutches are employed in the Scanner Unit.

Circuit Boards and Their Functions

Printer Circuit Boards Overview

Lists and describes main circuit boards like PWBA MCU, LV/HVPS, PWBA ESS, and Fuser Control.

Fax and Network Circuit Boards

Details the Fax Board and Network Board, their roles in communication and interfacing.

Scanner and ADF Circuit Boards

Describes the Scanner Circuit Boards (CCD, Inverter) and ADF Circuit Boards (ADF PCB).

Switches and Sensors

Printer Switches and Testing

Lists printer switches and methods for testing their functionality using a multimeter.

ADF Switches and Document Sensors

Covers ADF switches, including Document Width Sensors, and their role in detecting document size.

Printer Sensors and Their Functions

Details various printer sensors like 2nd BTR Retract, ADC, Fuser, Paper, Registration, and Rotary Home Position sensors.

Scanner Sensors and Types

Details scanner sensors, including ADF/Document Cover Open Sensor and Home Position Sensor.

Disassembly and Assembly

Right Side Cover Removal Procedure

Step-by-step guide for removing the right side cover assembly from the printer.

Right Side Cover Reassembly Note

Instructions and cautions for correctly reassembling the right side cover.

Troubleshooting

Power-up and Warm-up Errors

Guides on handling errors encountered during the printer's power-up or warm-up sequences.

Error Codes and Warnings List

A chart detailing panel messages, descriptions, and potential causes for system and printer errors.

General Warnings and Errors

Lists various warnings and errors related to toner, photoconductor, and cartridge installation.

Service Required Error Messages

Detailed list of "Service Req" error codes, their descriptions, and associated FIP references.

Power-up Sequence Flowchart

A flowchart illustrating the printer's power-up sequence and error handling logic.

Printer Paper Jam Troubleshooting

Identifies common paper jam locations and the sensor issues associated with each jam code.

Light Print and Blank Pages

Discusses causes and solutions for printouts that are too light or entirely blank.

Solid Black Pages and White Lines

Addresses problems resulting in solid black pages or vertical/horizontal white lines in prints.

Ghosting, Grey Background, and Distorted Print

Explains causes and solutions for residual images, grey backgrounds, and distorted print output.

Paper Feed and Fusing Problems

Covers issues like wrinkled/folded paper and images not being properly fused to the media.

Color Ghosting and Uneven Density

Addresses color ghosting, outlining, and uneven print density problems.

Abnormal Noise Diagnosis

Guides for diagnosing abnormal noises occurring during power-on, standby, or printing.

ADF (Automatic Document Feeder) Issues

Troubleshooting steps for "No Paper Feed" errors related to the Automatic Document Feeder.

ADF Paper Jam Diagnosis

Lists causes for paper jams and misfeeds specifically within the ADF unit.