Xerox Phaser 7300B Bedienungsanleitung

Service

Manual

Phaser®

Color Printer

7300

PHASER® 7300

COLOR PRINTER

SERVICE MANUAL

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: September 2002

071-0862-00

ii Phaser 7300 Color Printer Service Manual

without permission of Xerox Corporation.

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®, The Document Company®, the stylized X®, CentreWare®, DocuPrint®,Made For Each

Other®, Phaser®, PhaserShare®, and the TekColor®icon are registered trademarks of Xerox Corporation.

infoSMART™, PhaserPort™, PhaserPrint™, PhaserSMART™, PhaserSym™, PhaserTools™, and the

TekColor™ name are trademarks of Xerox Corporation. Total Satisfaction ServicesSM is a service mark of

Xerox Corporation.

Adobe®, Acrobat®Reader®, and PostScript®are registered trademarks of Adobe Systems Incorporated.

Apple®, LaserWriter®, LocalTalk®, Macintosh®, Mac®OS, and AppleTalk®are registered trademarks of

Apple Computer Incorporated.

PCL®and HP-GL® are registered trademarks of Hewlett-Packard Corporation.

MS-DOS®and Windows®are registered trademarks of Microsoft Corporation.

Novell®and NetWare®are registered trademarks of Novell, Incorporated.

Sun® and Sun Microsystems®are registered trademarks of Sun Microsystems, Incorporated. SPARC®is a

registered trademark of SPARC International, Incorporated. SPARCstation™ is a trademark of SPARC

International, Incorporated, licensed exclusively to Sun Microsystems, Incorporated.

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

Company Limited.

This product includes an implementation of LZW licensed under U.S. Patent 4,558,302.

This product uses code for SHA-1 written by John Halleck, which is being used by his permission.

Other marks are trademarks or registered trademarks of the companies with which they are associated.

PANTONE®Colors generated by the Phaser 7300 Color Printer may not match PANTONE-identified

solid color standards. Use current PANTONE Color Reference Manuals for accurate colors.

PANTONE Color simulations are only obtainable on this product when driven by qualified

Pantone-licensed software packages. Contact Pantone, Inc. for a current list of qualified licensees.

iii

Safety Terms

Manual Terms

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 WA R N IN G messages.

Product Terms:

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 7300 Color Printer Service Manual

Power Safety Precautions

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. This manual assumes that the reader is a qualified

service technician.

Warning: 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 it’s ground connection, contact with

conductive parts may cause an electrical shock.

Disconnecting Power

Warning: Turning the power off using the On/Off switch does not

completely de-energize the printer. You must also

disconnect the printer power cord from the AC outlet.

Position the power cord so that it is easily accessible during

servicing so that you may power down the printer during

an emergency.

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 moisture,

■ Or if the printer is dropped or damaged,

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

■ Or whenever you clean the product.

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:

Caution: Be sure the power is off and observe all other safety

precautions.

■ Immediately before handling any semiconductor component 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 under test to avoid

potential shock.)

■ After removing a static sensitive assembly from it’s anti-static bag, place it

on a grounded conductive surface such as aluminum foil. 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. These can generate electrical charges

sufficient to damage some devices.

■ Do not remove a replacement component or electrical sub-assembly from its

protective package until you are ready to install it.

■ Immediately 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.

Motion such as your clothes brushing together, or lifting a foot from a

carpeted floor can generate enough static electricity to damage an

electro-statically sensitive device

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

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

Printer Circuit Boards (PCB’s).

vi Phaser 7300 Color Printer Service Manual

Service Safety Summary

General Guidelines

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

Summary.

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 250 volts rms for a 220 volt AC outlet or 130 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. Throughout the printer, warning labels are

displayed on potentially dangerous components. As you service the printer, check to

make certain that all warning labels remain in place.

Safety Interlocks

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 an

interlock switch during a service call, use extreme caution when working on or

around the printer.

vii

Servicing 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.

Warning: Turning the power off using the On/Off switch does not

completely de-energize the printer. You must also

disconnect the printer power cord from the AC outlet.

Position the power cord so that it is easily accessible during

servicing so that you may power down the printer during

an emergency.

Warning: Do not touch any electrical component unless you are

instructed to do so by a service procedure.

Servicing Mechanical components

Manually rotate drive assemblies to inspect sprockets and gears.

Warning: Do not try to manually rotate or manually stop the drive

assemblies while any printer motor is running

Servicing Fuser Components

Warning: This printer uses heat to fuse the toner image to a sheet of

paper. The Fuser Assembly is very hot. Switch off printer

power and wait at least 30 minutes for the Fuser to cool

before you attempt to service the Fuser Assembly or

adjacent components.

S7300-02

S7300-03

viii Phaser 7300 Color Printer Service Manual

Regulatory Information

The equipment described in this manual generates and uses radio frequency energy. If

it is not installed properly in strict accordance with Xerox's instructions, it may cause

interference with radio and television reception or may not function properly due to

interference from another device. However, there is no guarantee that interference

will not occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined by turning the

equipment off and on, the user is encouraged to try to correct the interference by one

or more of the following measures:

■ Reorient or relocate the receiver (device being interfered with).

■ Increase the separation between the printer and the receiver.

■ Connect the printer into an outlet on a circuit different from that which the

receiver is connected.

■ Route the interface cables on the printer away from the receiver

■ Consult the dealer, Xerox service, or an experienced radio/television

technician for help.

Changes or modifications not expressly approved by Xerox can affect the emission

and immunity compliance and could void the user's authority to operate this product.

To ensure compliance, use shielded interface cables. A shielded parallel cable can be

purchased directly from Xerox at www.xerox.com/officeprinting/7300supplies.

Xerox has tested this product to internationally accepted electromagnetic emission

and immunity standards. These standards are designed to mitigate interference caused

or received by this product in a normal office environment. This product is also

suitable for use in a residential environment based on the levels tested.

In the United States this product complies with the requirements of an unintentional

radiator in part 15 of the FCC rules. Operation is subject to the following two

conditions: (1) this device may not cause harmful interference; (2) this device must

accept any interference received, including interference that may cause undesired

operation.

This digital apparatus does not exceed the Class B limits for radio noise emissions

from digital apparatus set out in the Radio Interference Regulations of the Canadian

Department of Communications, ICES-003.

Le présent appareil numérique n'émet pas de bruits radioélectrique dépassant les

limits applicables aux appareils numériques de la classe B prescrites dans le

Réglement sur le brouillage radioélectrique édicté par le ministere des

Communications du Canada, ICES-003.

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