Epson ColorPage EPL-C8200 User manual

EPSONColorPage-C8200

Color Laser Printer

SEPG99-003



Notice



All ri

hts reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means electronic,

mechanical, photocopyin

, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION.



All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would

reatly appreciate bein

informed of them.



The contents of this manual are subject to chan

e 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

reatly appreciate bein

informed of them.



The above not withstandin

SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences

thereof.

EPSON is a re

istered trademark of SEIKO EPSON CORPORATION.

General Notice: Other product names used herein are for identification purpose only and may be trademarks or re

istered trademarks of their

respective owners. EPSON disclaims any and all ri

hts in those marks.

Copyri

PRECAUTIONS

Precautionary notations throu

hout the text are cate

orized relative to 1)Personal injury and 2) dama

e to equipment.

DANGER

nals a precaution which, if i

nored, could result in serious or fatal personal injury. Great caution should be exercised in

performin

procedures preceded by DANGER Headin

WARNING

nals a precaution which, if i

nored, could result in dama

e to equipment.

The precautionary measures itemized below should always be observed when performin

repair/maintenance procedures.

DANGER

1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY

MAINTENANCE OR REPAIR PROCEDURES.

2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED

FOR ALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK.

3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL

INSTRUCTED TO DO SO. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON

POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.

WARNING

1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN.

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.

3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR

REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.

4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS

ANTI-STATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.

5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE; INTRODUCTION OF

SECOND-SOURCE ICs OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE

EPSON WARRANTY.

About this manual

This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the EPSON EPL-

C8200. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be

iven to the

precautions on the precedin

Manual Configuration

This manual consists of six chapters and Appendix.

CHAPTER 1. PRODUCT DESCRIPTIONS

Provides a

eneral overview and specifications of the

product.

CHAPTER 2. OPERATING PRINCIPLES

Describes the theory of electrical and mechanical

operations of the product.

CHAPTER 3. DISASSEMBLY / ASSEMBLY AND ADJUSTMENT

Describes the step-by-step procedures for

disassemblin

/assemblin

and adjustin

the product.

CHAPTER 4. DIAGNOSTICS

Provides Epson-approved methods for dia

nostics.

CHAPTER 5. TROUBLESHOOTING

Provides the step-by-step procedures for

troubleshootin

CHAPTER 6. MAINTENANCE

Provides preventive maintenance procedures and the

lists of Epson-approved lubricants and adhesives

required for servicin

the product.

APPENDIX Provides the followin

additional information for

reference:

• Connector pin assi

nments

• Electric circuit boards components layout

• Exploded dia

ram

• Electrical circuit boards schematics

Symbols Used in this Manual

Various symbols are used throu

hout this manual either to provide

additional information on a specific topic or to warn of possible dan

present durin

a procedure or an action. Be aware of all symbols when

they are used, and always read NOTE, CAUTION, or WARNING

messa

es.

Indicates an operatin

or maintenance procedure, practice

or condition that, if not strictly observed, could result in

injury or loss of life.

Indicates an operatin

or maintenance procedure, practice,

or condition that, if not strictly observed, could result in

dama

e to, or destruction of, equipment.

May indicate an operatin

or maintenance procedure,

practice or condition that is necessary to accomplish a task

efficiently. It may also provide additional information that is

related to a specific subject, or comment on the results

achieved throu

h a previous action.

W ARNING

CAUTIO N

CHECK

PO INT

NOTE

Abbreviation

ADC = Automatic Density Control

AG = Analo

Ground

ASSY = Assembly

AUX. = Auxiliary

B/W = Black and White

BCR = Bias Char

e Roll

Bk = Black

BK = Black

BTR = Bias Transfer Roll

BUR = Back Up Roll

C = Cyan

CART. = Cartrid

CCW = Counterclockwise

CL. = Clutch

CLN = Cleanin

(or Cleaner)

CLK = Clock

CONT. = Controller

CR = Char

e Roll

CRU = Customer Replaceable Unit

CRUM = CRU Monitor

CW = Clockwise

DB = Developin

Bias

DEVE. = Developer

DIAG. = Dia

nostic

dpi = dots per inch

DTS = Detach Saw

ELEC. = Electric

EP = Electrophoto

raphy

FDR = Feeder

FG = Frame Ground

FRU = Field Replaceable Unit

GND = Ground

H/R = Heat Roll

Hex = Hexadecimal

HVPS = Hi

h Volta

e Power Supply

I/F = Interface

IBT = Intermediate Belt Transfer

ID = Ima

e Density (or Identification)

L = Left

L/H = Left Hand

L/P = Low Paper

LD = Laser Diode

LEF = Lon

e Feed

LVPS = Low Volta

e Power Supply

M = Ma

enta

MAG. = Ma

netic

MCU = Machine Control Unit

MECH. = Mechanical

MOT. = Motor

MSI = Multi Sheet Inserter

N/F = Normal Force

N/P = No Paper

NVM = Non Volatile Memory

O/H = Option Hin

OHP = Overhead Projector

(In this manual, OHP means OHP film)

OPC = Or

anic Photo Conductor

P/H = Paper Handlin

P/R = Pressure Roll

PCDC = Pixel Count Dispense Control

Pixel = Picture Cell

PPM = Prints Per Minute

PV = Print Volume

PWB = Printed Wirin

Board

R = Ri

R/H = Ri

ht Hand

REGI. = Re

istration

ROS = Raster Output Scanner

RTN = Return

SEF = Short Ed

e Feed

SG = Si

nal Ground

SNR = Sensor

SOL. = Solenoid

SOS = Start Of Scan

SPI = Scans Per Inch

SYNC. = Synchronous

TC = Toner Concentration

TEMP. = Temperature

TR = Transfer

TRANS. = Transport

WDD = Wide Ran

e Dynamic Damper

XERO. = Xero

raphic

Y = Yellow

YMCBk = Yellow, Ma

enta, Cyan, Black

Safety Information

To prevent accidents durin

a maintenance procedure, strictly observe

the Warnin

s and Cautions. Do not do anythin

that is dan

erous or not

within the scope of this document.

Do not do anythin

that is dan

erous even if not specifically described

in this manual. In addition to the descriptions below and those

iven in

this manual, there are many situations and circumstances that are

dan

erous. Be aware of these when you are workin

with the printer.

Power Supply

Before startin

any service procedure, switch off the printer power and

unplu

the power cord from the wall outlet. If you must service the

printer when the power is applied, be aware of the potential for electrical

shock and do all tasks by followin

the procedures in this manual.

W ARNING

Do not touch any live part unless you are instructed to

do so by a service procedure. The LVPS power supply

switch/inlet part is live even when the power switch has

been turned off. Do not touch any live part.

Mechanical Components

If you service a drivin

assembly (e.

ears), first turn off the power

and unplu

the power cord. Then manually rotate the assembly.

Safety Components

The printer is equipped with safety components (e.

., interlock

switches, fuses, thermostat) and safety switches for protectin

users

and service personnel from injury and the equipment from dama

The printer has two interlock switches, two safety switches and two

interlock connectors that serve as the main safety mechanism.



Front Cover Switch R

This switch is turned off when the Front Cover Assembly is opened.

It cuts off the power supply (24VDC, 5VDC-LD) from the power

supply unit to stop all operations and disconnects the output (5VDC-

LD) circuit from the power supply and stops the laser beam

emission.

This switch consists of the followin

two switches:



A switch that cuts off the power supply (24VDC, 5VDC-LD) to

the control circuits and related parts.



A switch that directly cuts off the power supply circuit (5VDC-LD)

to the laser beam output circuit.



Front Cover Switch L

This is a safety switch. This switch is turned off when the Front

Cover Assembly is opened, causin

the printer without control units

to stop operatin



Top Cover Switch

This is an interlock switch that directly cuts off the power supply

(5VDC-LD) circuit to the laser beam output circuit. This switch is

turned off when the Top Cover Assembly is removed, cuttin

off the

output (5VDC-LD) circuit from the power supply unit and stoppin

the laser beam emission.

W ARNING

Do not touch the driving part (e.g., gears) while the

assembly (printer) is being driven.



Exit Chute Switch

This switch is a safety switch. This switch is turned off when the Exit

Upper Assembly (the cover on the upper left side of the printer) is

opened.



P/J91 (Connector that connects the Main Harness Assembly and

istration Harness Assembly)

This is an interlock connector that cuts off the power supply

(24VDC, 5VDC-LD) to the control circuit and related parts.

This connector is disconnected when the Main P/H Assembly (pull-

out type unit on the ri

ht side of the printer) is pulled out, cuttin

off

the output (24VDC, 5VDC-LD) from the power supply and stoppin

the printer operation without control units.



P/J71 (Connector that connects the Fuser Connector and Fuser

Harness Assembly)

This is an interlock connector that cuts off the power supply

(24VDC, 5VDC-LD) to the control circuit and related parts.

This connector is disconnected when the Fuser Assembly (pull-out

type unit on the left side of the printer) is pulled out, cuttin

off the

output (24VDC, 5VDC-LD) from the power supply and stoppin

the

printer operation without control units.

Laser Beam

The printer has two interlock switches: the Front Cover Switch R and

the Top Cover Switch. The purpose of these switches is to turn off the

laser beam emission if any of the printer covers have been opened; this

protects the user or service personnel from exposure to the laser beam

from the ROS Assembly.

A laser beam may be emitted durin

a maintenance operation. Do not

turn on these interlock switches simultaneously under any

circumstances except in a normal operation.

NOTE:The laser beam has a narrower frequency band and more

coherent phases than any other light (sunlight, electric light).

It has excellent monochromaticity and convergence. A thin

laser beam reaches long distances. Because of its

convergence characteristic, the laser beam converges into

one point, causing high density and high temperature. A

laser beam is harmful to the human body.

NOTE:The laser beam in this printer is invisible.

W ARNING



Do not expose yourself to the laser beam to prevent

injury (blindness).



Do not open the cover that has the laser beam

warning label.



If you disassemble or assemble the printer, turn off

the power.



If you need to work on the printer with power applied,

strictly follow the instructions in this manual.



If you have to activate the printer while pressing the

Front Cover Switch R by hand or with a tool, remove

the Top Cover. (Do not turn on these interlock

switches simultaneously under any circumstances

except in a normal operation.)



Understand how the laser beam functions and take

maximum precautions not to injure yourself or anyone

around you.

High Temperature Assembly

To prevent you from becomin

injured or burned, do the followin

Before workin

with a hi

h temperature Assembly (e.

., Fuser

Assembly), turn off the power, unplu

the power cord and wait until it

cools down.

Parts

To prevent you from becomin

injured, keep the followin

in mind:



When handlin

heavy parts (includin

the printer itself), use

ood

posture to protect your back whenever you lift, move or place parts.



Be careful not to injure yourself with the sharp ed

es of the parts.



Do not work with wet or oily hands-you may drop a part or injure

yourself. Dry your hands first.



When pullin

out a part (includin

a harness), do not use too much

force. Pull out the part carefully and slowly step by step.

W ARNING

The high temperature Assembly is very hot

immediately after any printer operations. Wait at least

40 minutes before you start working on the printer.

W ARNING

Do not lift, move or place heavy parts in a body posture

that is likely to cause injury to yourself or cause the

part to drop.

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