Xerox WorkCentre PE16 Manuale utente

SERVICE

WorkCentre PE16

Manual

WorkCentre PE16 CONTENTS

1. Precautions

2. Reference Information

3. Specifications

4. Summary of product

5. Disassembly and Reassembly

6. Alignment and Adjustments

7. Troubleshooting

8. Exploded Views and Parts List

9. Block Diagram

10. Connection Diagram

071-0871-00

1-1

Precautions

Service Manual

WorkCentre PE16 July 2003

1. Precautions

Product Terms

Caution: A personal injury hazard exists that may not be apparent. For example, a panel may cover the hazardous area.

Danger: Apersonal injury hazard exists in the area where you see the sign.

Symbols Marked on the Product

Hot surface on or in the printer. Use caution to avoid personal

injury.

Use caution (or draws attention to a particular component).

Refer to the manual(s) for information.

1-2

Precautions

Service Manual

July 2003 WorkCentre PE16

Laser Safety Statement

The Printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 Subchapter J

for Class 1(1) laser products, and elsewhere, it is certified as a Class I laser product conforming to the

requirements of IEC 60825. Class I laser products are not considered to be hazardous. The laser system and

printer are designed so there is never any human access to laser radiation above a Class I level during nor-

mal operation, user maintenance, or prescribed service condition.

Warning >> Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The reflected

beam, although invisible, can damage your eyes. When using this product, these basic safety precautions should

always be followed to reduce risk of fire, electric shock, and injury to persons.

CAUTION - INVISIBLE LASER RADIATION

WHEN THIS COVER OPEN.

DO NOT OPEN THIS COVER.

VORSICHT - UNSICHTBARE LASERSTRAHLUNG,

WENN ABDECKUNG GE FFNET.

NICHT DEM STRAHLAUSSETZEN.

ATTENTION - RAYONNEMENT LASER INVISIBLE EN CAS

D OUVERTURE. EXPOSITION DANGEREUSE

AU FAISCEAU.

ATTENZIONE - RADIAZIONE LASER INVISIBILE IN CASO DI

APERTURA. EVITARE LESPOSIZIONE AL

FASCIO.

PRECAUCION - RADIACION LASER IVISIBLE CUANDO SE ABRE.

EVITAR EXPONERSE AL RAYO.

ADVARSEL. - USYNLIG LASERSTR LNING VED BNING, N R

SIKKERHEDSBRYDERE ER UDEAF FUNKTION.

UNDG UDSAETTELSE FOR STR LNING.

ADVARSEL. - USYNLIG LASERSTR LNING N R DEKSEL

PNES. STIRR IKKE INN I STR LEN.

UNNG EKSPONERING FOR STR LEN.

VARNING - OSYNLIG LASERSTR LNING N R DENNADEL

R PPNAD OCH SP RREN R URKOPPLAD.

BETRAKTA EJ STR LEN. STR LEN R FARLIG.

VARO! - AVATTAESSA JA SUOJALUKITUS OHITETTAESSA

OLETALTTIINA N KYM TT M LLE LASER-

S TEILYLLE L KATSO S TEESEEN.

1-3

Precautions

Service Manual

WorkCentre PE16 July 2003

Power Safety Precautions

Power Source

For 110 VAC units, do not apply more than 140 voltsRMS between the supply conductors or between either supply

conductor and ground. Use only the specified power cord and connector. For 220 VAC units, do not apply more

than 264 volts RMS between the supply conductors or between either supply conductor and ground.

Use only the specified power cord. This manual assumes that the reader is a qualified service technician.

Plug the three-wire power cord (with grounding prong) into a grounded AC outlet only. If necessary, contact a licensed

electrician to install a properly grounded outlet. If the product loses its ground connection, contact with conductive

partsmay cause an electrical shock.

Disconnecting Power

Turning the power offusing theOn/Offswitch does not completely de-engergize the equipment. You must also disconnect

the unit power cord from the ACoutlet. Position the power cord so that it is easily accessible during servicing

so that you may power down the unit during an emergency.

Disconnect the power plug by pulling the plug, not the cord.

Disconnect the power cord in the following cases:

■if the power cord or plug is frayed or otherwise damaged,

■if any liquid or foreign material is spilled into the case,

■if the equipment isexposed to any excess moisture,

■if the equipment isdropped or damaged,

■if you suspect that the product needs servicing or repair,

■whenever you clean the product.

1-4

Precautions

Service Manual

July 2003 WorkCentre PE16

Electrostatic Discharge (ESD) Precautions

Some semiconductor components, and the respective sub-assemblies that contain

them, are vulnerable to damage by Electrostatic discharge (ESD). These components

include Integrated Circuits (ICs), Large-Scale Integrated circuits (LSIs), field-effect

transistors and other semiconductor chip components. The following techniques will

reduce the occurrence of component damage caused by static electricity.

Be sure the power to the chassis or circuit board is off, and observe all other safety

precautions.

■Before handling anysemiconductor components assemblies, drain the

electrostatic charge from your body. This can be accomplished by touching an

earth ground source or by wearing a wrist strap device connected to an earth

ground source. Wearing a wrist strap will also prevent accumulation of additional

bodily static charges. Be sure to remove the wrist strap before applying power to

the unit to avoid potential shock.

■After removing a static sensitive assembly from its anti-static bag, place it on a

grounded conductive surface. If the anti-static bag is conductive, you may ground

the bag and use it as a conductive surface.

■Do not use freon-propelled chemicals, as they can generate electrical charges that

may damage some devices.

■Do not remove a static sensitive replacement component or electrical sub-

assembly from its protective package until you are ready to install it.

■Before removing the protective material from the leads of a replacement device,

touch the protective material to the chassis or circuit assembly into which the

device will be installed.

■Minimize body motions when handling unpackaged replacement devices. Simple

motions such as your clothes brushing together or lifting a foot from a carpeted

floor can generate enough static electricity to damage a static sensitive device

■Handle IC’s and EPROM’s carefully to avoid bending pins.

■Pay attention to the direction of parts when mounting or inserting them on

Printed Circuit Boards (PCB’s).

1-5

Precautions

Service Manual

WorkCentre PE16 July 2003

Service Safety Summary

General Guidelines

Note

The material presented here is intended as a safety reminder for qualified service

personnel. Refer also to the preceding Power Safety Precautions.

Avoid servicing alone: Do not perform internal service or adjustment of this

product unless another person capable of rendering first aid or resuscitation is present.

Use care when servicing with power: Dangerous voltages may exist at several

points in this product. To avoid personal injury, do not touch exposed connections and

components while power is on. Disconnect power before removing the power supply

shield or replacing components.

Do not wear jewelry: Remove jewelry prior to servicing. Rings, necklaces and

other metallic objects could come into contact with dangerous voltages and currents.

Power source: This product is intended to operate from a power source that will

not apply more then 264 volts rms for a 220 volt AC outlet or 140 volts rms for a 110

volt AC outlet between the supply conductors or between either supply conductor and

ground. A protective ground connection by way of the grounding conductor in the

power cord is essential for safe operation.

Warning Labels

Read and obey all posted warning labels. Warning labels are displayed on potentially

dangerous printer components. As you service the printer, check to make certain that

all warning labels remain in place.

Safety Interlocks

Make sure all covers and the products’s front panel are in place and all interlock

switches are functioning correctly after you havecompleted a unit service call. If

you bypass an interlock switch during a service call, use extreme caution when

working on oraround theproduct.

1-6

Precautions

Service Manual

July 2003 WorkCentre PE16

Servicing Electrical Components

Before starting any service procedure, switch off the product power and unplug the

power cord from the wall outlet. Ifyou must service the unit with power applied,

be aware of the potential for electrical shock.

Warning

Turning the power offby using the On/Offswitch does not completely de-energize

the unit. Youmust also disconnect theunit's power cord from the AC outlet.

Position the power cord so that it is easily accessible during servicing.

Warning

Do not touch any electrical component unless you are instructed to do so by a

service procedure.

Servicing Mechanical Components

When servicing mechanical components within theunit, manually rotate drive

assemblies, rollers, and gears.

Warning

Do not try to manually rotate or manually stop the drive assemblies while any

unit drive motor is running.

Servicing Fuser Components

Warning

This product uses heat to fuse the toner imageto media. The Fuser Assembly is

VERY HOT. Turn the unit power off and wait at least 5 minutes for the Fuser

to coolbefore you attempt to service theFuser Assembly or adjacent components.

S7300-0

2-1

Reference Information

Service Manual

WorkCentre PE16 July 2003

2. Reference Information

This chapter provides reference information for this service manual consisting of the tool list, a list

of acronyms and abbreviations, andexamples of test patterns.

2.1 Tool for Troubleshooting

The following tools are recommended for perfomance of the troubleshooting functions described in this service manual.

DVM(Digital Volt Meter)

Standard: Indicates more than 3 digits.

Tweezers

Standard: For general home use, small

type.

Software(Driver) installation CD

ROM

Cotton Swab

Standard : For general home use, for

medical service.

Cleaning Equipment IPA

(Isopropyl Alcohol) dry cloth or a

liquid neutral detergent.

Driver

Standard : "-" type, "+" type (M3 long, M3

short, M2 long, M2 short).

2-2

Reference Information

Service Manual

July 2003 WorkCentre PE16

2.2 Acronyms and Abbreviations

The table below explains the acronyms and abbreviations used in this service manual.

These are used throughout the text of this service manual. Please refer to the table.

AC Alternating Current

ADF Automatic Document Feeder

ASIC Application Specific Integrated Circuit

ASSY assembly

BIOS Basic Input Output System

CCD Charge Coupled Device

CMOS Complementary Metal Oxide Semiconductor

CN connector

CON connector

CPU Central Processing Unit

dB decibel

dbA decibelampere

dBM decibel milliwatt

DC direct current

DCU Diagnostic Control Unit

DPI Dot Per Inch

DRAM Dynamic Random Access Memory

DVM Digital Voltmeter

ECP Enhanced Capability Port

EEPROM Electronically Erasable Programmable Read

Only Memory

EMI Electro Magnetic Interference

EP electrophotographic

EPP Enhanced Parallel Port

F/W firmware

GDI graphics device interface

GND ground

HBP Host Based Printing

HDD Hard Disk Drive

HV high voltage

HVPS High Voltage Power Supply

I/F interface

I/O Input and Output

IC integrated circuit

IDE Intelligent Drive electronics or Imbedded

Drive Electronics

IEEE Institute of Electrical and Electronics

Engineers. Inc

IPA Isopropy Alcohol

IPM Images Per Minute

Kg Kilogram

LAN local area network

lb pound(s)

LBP Laser Beam Printer

LCD Liquid Crystal Display

LED Light Emitting Diode

LSU Laser Scanning Unit

MB Megabyte

MHz Megahertz

NVRAM Nonvolatile random access memory

OPC Organic Photo Conductor

PBA Printed Board Assembly

PCL Printer Command Language , Printer Control

Language

PDL Page Discription Language

PPM Page Per Minute

PTL Pre-Transfer Lamp

Q’ty Quantity

RAM Random Access Memory

ROM Read Only Memory

SCF Second Cassette Feeder

SMPS Switching Mode Power Supply

SPGP Samsung Printer Graphic Processor

SPL Samsung Printer Language

Spool Simultaneous Peripheral Operation Online

SW Switch

Sync Synchronous or synchronization

USB Universal Serial Bus

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