Xerox 7700 Bedienungsanleitung

Service Manual

Phaser® 7700

701P28180

Color Laser Printer

Warning

The following servicing instructions are for

use by qualified service personnel only. To

avoid personal injury, do not perform any

servicing other than that contained in

operating instructions unless you are qualified

to do so.

This printing: December 2006

Service Manual

701P28180

Phaser®7700

Color Laser Printer

ii Phaser 7700 Color Printer Service Manual

Prepared By:

Xerox Corporation

XOG Worldwide Product Training and Information

26600 SW Parkway

Wilsonville, OR 97070

Unpublished rights reserved under the copyright laws of the United States. Contents of this

publication may not be reproduced in any form without permission of Xerox Corporation.

information now allowed by statutory or judicial law or hereinafter granted, including without

limitation, material generated from the software programs which are displayed on the screen

such as styles, templates, icons, screen displays, looks, etc.

Xerox technical training materials and service manuals are intended for use by authorized Xerox

service technicians and service partners only and are not for resale. These materials may not be

distributed, copied, or otherwise reproduced without prior written consent from Xerox

Corporation.

XEROX®, CentreWare®, Phaser®, PrintingScout™, TekColor™, and Walk-Up® are trademarks

of Xerox Corporation in the United States and/or other countries.

Adobe Reader®, Adobe Type Manager®, ATM™, and PostScript® are trademarks of Adobe

Systems Incorporated in the United States and/or other countries.

Apple®, AppleTalk®, EtherTalk®, LaserWriter®, LocalTalk®, Macintosh®, Mac OS®, and

TrueType® are trademarks of Apple Computer, Inc. in the United States and/or other countries.

HP-GL®, HP-UX®, and PCL® are trademarks of Hewlett-Packard Corporation in the United

States and/or other countries.

Windows® and Windows Server™ are trademarks of Microsoft Corporation in the United States

and/or other countries.

Novell®, NetWare®, NDPS®, NDS®, Novell Directory Services®, IPX™, and Novell Distributed

Print Services™ are trademarks of Novell, Incorporated in the United States and/or other

countries.

SunSM, Sun Microsystems™, and Solaris™ are trademarks of Sun Microsystems, Incorporated

in the United States and/or other countries.

SWOP® is a trademark of SWOP, Inc.

UNIX® is a registered trademark in the US and other countries, licensed exclusively through

X/Open Company Limited.

PANTONE® Colors generated may not match PANTONE-identified standards. Consult current

PANTONE Publications for accurate color. PANTONE® and other Pantone, Inc. trademarks are

the property of Pantone, Inc. © Pantone, Inc., 2000.

Phaser 7700 Color Printer Service Manual iii

User Safety Summary

Terms in Manual

Various terms are used throughout this manual to either provide additional

information on a specific topic or to warn of possible danger that might be

present during a procedure or action. Be aware of all symbols and terms

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

messages.

Terms on Product

NOTE: A NOTE may indicate an operating or maintenance

procedure, practice or condition that is necessary to

efficiently accomplish a task.

A NOTE may also provide additional information related

to a specific subject or add a comment on the results

achieved through a previous action.

CAUTION: A CAUTION indicates an operating or maintenance

procedure, practice or condition that, if not strictly

observed, could result in damage to, or destruction of,

equipment.

WARNING: A WARNING indicates an operating, or maintenance

procedure, practice or condition that, if not strictly

observed, could result in injury or loss of life.

CAUTION: A personal injury hazard exists that may not be apparent.

For example, a panel may cover the hazardous area.

DANGER: A personal injury hazard exists in the area where you see

the sign.

iv Phaser 7700 Color Printer Service Manual

Power Source

For 110 VAC printers, DO NOT apply more than 127 volts RMS between the

supply conductors or between either supply conductor and ground. Use only

the specified power cord and connector. For 220 VAC printers, do not apply

more than 240 volts RMS between the supply conductors or between either

supply conductor and ground. Use only the specified power cord and

connector. Refer to a qualified service technician for changes to the cord or

connector.

WARNING: If the product loses the ground connection, usage of controls

and other conductive parts can cause an electrical shock.

Power Supply and Electrical Components

Before starting any service procedure, switch off the printer power and

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

with power applied, be aware of the potential for electrical shock.

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

service procedure.

Mechanical Components

Manually rotate drive assemblies to inspect and gears.

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

printer motor is running

Phaser 7700 Color Printer Service Manual v

Laser Components

WARNING:This printer generates a laser beam as part of the printing

process. The laser beam in this printer is invisible. Direct eye

exposure to the laser beam may cause eye injury or blindness.

To avoid permanent eye damage, follow these directions:

■Before starting any service procedure, switch off the printer power and

unplug the power cord from the AC wall outlet.

■Do not disassemble the Laser Scanner Assembly.

■Use caution when you are working around the Laser Scanner Assembly or

when you are performing laser related troubleshooting or repair

procedures.

■Never place a mirror or a reflective tool or object in the laser beam path.

■Do not disassemble the printer in such a way that the laser beam can exit

the print engine during a print cycle.

Fuser Components

WARNING:This printer uses heat to fuse the toner image to a sheet of paper.

The Fuser Assembly is very hot. Turn Off the printer power and

wait at least 30 minutes for the Fuser to cool before you attempt

to service the Fuser Assembly or adjacent components.

Safety Components

Make sure covers and panel are in place and that all interlock switches are all

functioning correctly after you have completed a printer service call. If you

bypass, or cheat, an interlock switch during a service call, use extreme

caution when working on or around the printer.

Warning Labels

Throughout the printer, warning labels are displayed on potentially dangerous

components. When you service the printer, check to make certain that all

warning labels are in place.

Most importantly, read and obey all posted warning labels.

WARNING:Turning the power Off using the On/Off switch does not

de-energize the printer. You must remove the power cord to

disconnect the printer from the main power source. Keep the

power cord accessible for removal in case of an emergency.

vi Phaser 7700 Color Printer Service Manual

Safety Instructions

Read all installation instructions carefully before you plug the product into a

power source.

Care of Product

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

■Disconnect the power plug if the power cord or plug is frayed or otherwise

damaged,

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

■Or if the printer is exposed to any excess moisture,

■Or if the printer is dropped or damaged,

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

■And whenever you clean the product.

Ground the Product

Plug the three-wire power cord (with grounding prong) into grounded AC

outlets only. If necessary, contact a licensed electrician to install a properly

grounded outlet.

Phaser 7700 Color Printer Service Manual vii

Service Safety Summary

General Guidelines

For qualified service personnel only: Refer also to the preceding Users Safety

Summary.

Do not service 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 on: 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, soldering, 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

does not apply more than 127 or 240 volts AC RMS (depending on printer

model) 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.

Class 1 Laser Product

The Phaser®7700 Color Printer is certified to comply with Laser Product

Performance Standards set by the U.S. Department of Health and Human

Services as a Class 1 Laser Product. This means that this is a class of laser

product that does not emit hazardous laser radiation; this is possible only

because the laser beam is totally enclosed during all modes of customer

operation.

The laser and output of the laser scanner unit produces a beam that, if looked

into, could cause eye damage. Service procedures must be followed exactly

as written without change.

When servicing the machine or laser module, follow the procedures specified

in the manual to avoid any hazards from the laser.

Laser (FDA): Any laser label visible to service must be reproduced in the

service manual with location shown or indicated. Safe working procedures

and clear warnings concerning precautions to avoid possible exposure must

also be included.

viii Phaser 7700 Color Printer Service Manual

Federal Communication Commision Compliance

This equipment has been tested and found to comply with the limits set for a

Class B digital device, as stated in Part 15 of the FCC rules. These limits are

designed to provide reasonable protection against harmful interference in a

commercial installation. This equipment generates, uses, and may radiate

radio frequency energy. If not installed and used in accordance with the

instructions provided, this equipment may cause disruptive interference to

nearby radio and television communications. Even if the equipment is

installed according to the instructions, there is no guarantee of no

interference in a particular installation. If this equipment does cause

disruptive interference to nearby radio and television reception, switch the

equipment off to determine if it is the true cause of the interference. If the

equipment is the cause of the interference, the user should try to minimize

the interference by taking one or more of the following courses of action:

Note Installation of the Finisher and/or the Token Ring Interface

results in an FCC classification change to Class A.

■Either re–orient or relocate the radio/television receiving antenna.

■Increase the separation between the equipment and the radio/television

receiver.

■Connect the equipment to an AC outlet that is not on the same circuit as

the radio/television receiver.

■If the previous solutions fail to bring results, you should consult either your

equipment dealer or an experienced radio/television technician.

For more information on interference, refer to the Federal Communications

Commission’s booklet “How to Identify and Resolve Radio-TV Interference

Problems.”

This booklet is available from the U.S. Government Printing Office,

Washington D.C. 20402, Stock No. 004-000-00345-4.

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