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 given to the precautions on the preceding page.

Manual Configuration o

Symbols Used in this Manual

This manual consists of six chapters and Appendix. CHAPTER 1. PRODUCT DESCRIPTIONS

Provides a general 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 disassembling/assembling and adjusting the product. CHAPTER 4. DIAGNOSTICS

Provides Epson-approved methods for diagnostics. CHAPTER 5. TROUBLESHOOTING

Provides the step-by-step procedures for troubleshooting. CHAPTER 6. MAINTENANCE

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

• Electric circuit boards components layout

• Exploded diagram

• Electrical circuit boards schematics

CAUTION

Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action. Be aware of all symbols when they are used, and always read NOTE, CAUTION, or WARNING messages.

Indicates an operating or maintenance procedure, practice or condition that, if not strictly observed, could result in injury or loss of life.

Indicates an operating or maintenance procedure, practice, or condition that, if not strictly observed, could result in damage to, or destruction of, equipment.

May indicate an operating 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 through a previous action.

CAUTION

NOTE

NOTE

Abbreviation

ADC = Automatic Density Control

AG = Analog Ground

ASSY = Assembly

AUX. = Auxiliary

B/W = Black and White

BCR = Bias Charge Roll

Bk = Black

BK = Black

BTR = Bias Transfer Roll BUR = Back Up Roll C = Cyan CART. = Cartridge CCW = Counterclockwise CL. = Clutch

CLN = Cleaning (or Cleaner)

CLK = Clock

CONT. = Controller

CR = Charge Roll

CRU = Customer Replaceable Unit

CRUM = CRU Monitor

CW = Clockwise

DB = Developing Bias

DEVE. = Developer

DIAG. = Diagnostic dpi = dots per inch

DTS = Detach Saw

ELEC. = Electric

EP = Electrophotography

FDR = Feeder

FG = Frame Ground

FRU = Field Replaceable Unit

GND = Ground

Hex = Hexadecimal

HVPS = High Voltage Power Supply

I/F = Interface

IBT = Intermediate Belt Transfer ID = Image Density (or Identification) L = Left

LD = Laser Diode

LEF = Long Edge Feed

LVPS = Low Voltage Power Supply

M = Magenta

MAG. = Magnetic

MCU = Machine Control Unit

MECH. = Mechanical

MSI = Multi Sheet Inserter

N/F = Normal Force

NVM = Non Volatile Memory

O/H = Option Hinge

OHP = Overhead Projector

(In this manual, OHP means OHP film)

OPC = Organic Photo Conductor

P/H = Paper Handling

P/R = Pressure Roll

PCDC = Pixel Count Dispense Control

Pixel = Picture Cell

PPM = Prints Per Minute

PV = Print Volume

PWB = Printed Wiring Board

REGI. = Registration

ROS = Raster Output Scanner

RTN = Return

SEF = Short Edge Feed

SG = Signal 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 Range Dynamic Damper

XERO. = Xerographic

Y = Yellow

YMCBk = Yellow, Magenta, Cyan, Black

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