Xerox DocuColor 12/DCCS50 Manuel utilisateur

January 2005

DocuColor 12/DCCS50

Service Manual

CAUTION

Certain components in the DocuColor 12/

DCCS50 are susceptible to damage from electro-

static discharge. Observe all ESD procedures to

avoid component damage.

Prepared by:

Xerox Corporation

800 Phillips Road

Bldg. 845-17S

Webster, New York 14580-9791 USA

Xerox® and The Document Company®

are trademarks of Xerox Corporation.

Xerox product names mentioned in this publication are trademarks of the

XEROX CORPORATION.

NOTICE

While every care has been taken in the preparation of this manual, no liabil-

ity will be accepted by Xerox Corporation arising out of any inaccuracies or

omissions.

NOTICE

All service documentation is supplied to Xerox external customers for infor-

mational purposes only. Xerox service documentation is intended for use by

certified product trained service personal only. Xerox does not warrant or

represent that such documentation is complete, nor does Xerox represent

or warrant that it will notify or provide to such customer any future changes

to this documentation. Customer performed service of equipment, or mod-

ules, components or parts of such equipment may affect the warranty

offered by Xerox with respect to such equipment. You should consult the

applicable warranty for its terms regarding customer or third party provided

service. If the customer services such equipment, modules, components or

parts thereof, the customer releases Xerox from any and all liability for the

customer actions, and the customer agrees to indemnify, defend and hold

Xerox harmless from any third party claims which arise directly or indirectly

from such service.

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Introduction

Introduction ..................................................................................................................... iii

About This Documentation.............................................................................................. iv

Organization....................................................................................................................i

Reference Symbology..................................................................................................... vi

AC and DC Voltage Nomenclature ................................................................................. ix

Translated WARNINGS .................................................................................................. ix

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Introduction

Safety

WARNING

The DocuColor 12/DCCS50 contains an invisible laser. There is no visual indication that

the laser beam is present. During servicing, the DocuColor 12/DCCS50 is a Class 3B

product because of the invisible laser. the laser beam could cause eye damage if looked

at directly. Service procedures must be followed exactly as written without change. The

service representative must observe the established local laser safety precautions

when servicing the DocuColor 12/DCCS50. Do not place tools with a reflective surface

in the area of the Charge Corotron or the ROS opening. Do not look in the area of the

Charge Corotron or the ROS window if the power is On and the laser is energized with

the Toner Cartridge Unit removed.

The following symbol and statement appear on a label in the machine when the Toner

Cartridge Cover or the Toner Cartridge Unit are removed. The symbol by itself, or the

symbol and the statement may also appear in the service documentation and in the

training program. When this symbol appears, the service representative is warned that

conditions exist that could result in exposure to the laser beam.

WARNING

Do not try to bypass any laser interlocks for any reason. Permanent eye damage could

result if the laser is accidentally directed into your eye.

Figure 1 Laser Hazard Symbol

Laser Hazard Statement

DANGER INVISIBLE LASER RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO

BEAM.

CAUTION

The use of controls or adjustments other than those specified in the Laser Safety Training Pro-

gram may result in an exposure to dangerous laser radiation.

For additional information, review the Laser Safety Training program.

Photoreceptor Drum Light Shock

CAUTION

Protect the Photoreceptor Drum from the light by covering it with the bag when the Drum is

removed from the machine or exposed to light. The bag is stored in the Tray 1 storage com-

partment. The Drum can be damaged by light shock.

Electrostatic Discharge Damage

CAUTION

Use the ESD Kit and the established ESD procedures when accessing parts of the machine

other than those normally accessed by the operator. The Kit and procedures must be used

even though PWBs are not touched directly. Components of the machine can be damaged by

electrostatic discharge.

Toner, Developer and Drum

CAUTION

Do not store the Toner, the Developer, or the Drum in the service vehicle.

Disconnecting and Reconnecting Electrical Connectors.

CAUTION

Disconnecting and reconnecting electrical connectors while power is “On” can cause damage

to PWBs and other electrical components. Always switch “OFF” power before disconnecting or

reconnecting electrical connectors.

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Introduction

About This Documentation

This Service Manual is part of the multinational documentation system for the DocuColor 12/

DCCS50 Machine. This manual will help in the isolation and repair of faults that may occur in

the machine.

Organization

In printed form, this publication is divided into ten sections, which are described below. The

electronic format is also divided into the same ten sections for editing purposes; however,

these sections are rarely apparent to the user. For ease of access, the information contained in

the principles of operation, installation, and training are electronically integrated.

Section 1. Service Call Procedures

This section contains the following:

• Call Flow

• Initial Actions

• Repair Actions

• Detailed Maintenance Activities

• Cleaning Procedures

• Final Actions

• Service Log

Call Flow

Call Flow is a summary of the sequence of the major activities of the service call procedures.

Initial Actions

The purpose of the Initial Actions is to gather information about the service call and the condi-

tion of the machine and to classify the information.

Repair Actions

This is the overall procedure to diagnose and repair problems.

Detailed Maintenance Activities

This section provides the information needed for the High Frequency Service Items (HFSI).

Cleaning Procedures

This section provides the information needed to clean the DocuColor 12/DCCS50.

Final Actions

The Final Actions are intended to ensure that the DocuColor 12/DCCS50 is operating correctly

and is in good condition when it is returned to the customer.

Service Log

A master Service Log sheet is provided to be copied and used by the service representative.

Section 2. Status Indicator Repair Analysis Procedures (RAPs)

This section contains the Repair Analysis Procedures (RAPs) necessary to repair the faults

other than the image quality faults. When using a RAP, always exit the procedure when the fault

is fixed. Do not perform the remaining steps.

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Section 3. Image Quality Repair Analysis Procedures (IQ RAPs)

This section contains the Repair Analysis Procedures (RAPs) necessary to repair the image

quality faults. When using a RAP, always exit the procedure when the fault is fixed. Do not per-

form the remaining steps.

Section 4. Repairs and Adjustments

This section contains the repair and adjustment procedures for the DocuColor 12/DCCS50.

Section 5. Parts List

This section contains the detailed Parts List for the DocuColor 12/DCCS50.

Section 6. General Procedures

This section contains General Procedures, Diagnostic Procedures, Product Specifications, and

Tools and Supplies information.

Section 7. Wiring Data

This section contains the Plug/Jack Listings, Plug/Jack Location Drawings, PWB Location Dia-

grams, Power Distribution Wirenets, and the Block Schematic Diagrams (BSDs).

NOTE: Chain 1 of the BSDs shows the generation of power. The Power Distribution Wirenets

show how the power is distributed to the machine.

Section 8. Accessories / Options

This section contains a separate service document for each of the accessories. The service

representative will be directed to Section 8 from the main service documentation when it is

appropriate.

Section 9. Installation and Removal

This section contains instructions for installation of the machine at the customer’s site. It also

contains instructions for repacking and removal when appropriate.

Section 10. Principles of Operations

This section contains information on how the machine operates.

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Reference Symbology

Figure 1 General Information

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Figure 2 General Information

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Figure 3 General Information

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