Xerox Phaser 8400 Bedienungsanleitung

Service

Manual

Phaser

Color Printer

8400

Phaser® 8400 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 the operating instructions, unless you are qualified to

do so.

This Printing: 2004

071-0865-01

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®, infoSMART®, Made For Each

Other®, Phaser®, PhaserSMART®, and the TekColor®icon are registered trademarks of Xerox

Corporation. PhaserCal™, PhaserMatch™, PhaserPort™, PhaserTools™, and the TekColor™name are

trademarks of Xerox Corporation.

Adobe®Reader®, Illustrator®, PageMaker®, Photoshop®, PostScript®, ATM®, Adobe Garamond®,

Birch®, Carta®, Mythos®, Quake®, and Tekton®are registered trademarks and Adobe Jenson™, Adobe

Brilliant Screens™technology, and IntelliSelect™are trademarks of Adobe Systems Incorporated or its

subsidiaries which may be registered in certain jurisdictions.

Apple®, LaserWriter®, LocalTalk®, Macintosh®, Mac®OS, AppleTalk®, TrueType2®, Apple Chancery®,

Chicago®, Geneva®, Monaco®, and New York® are registered trademarks, and QuickDraw™is a

trademark of Apple Computer Incorporated.

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

Windows®and Windows NT®are registered trademarks of Microsoft Corporation.

Novell®, NetWare®, NDPS®, NDS®, and Novell Directory Services®are registered trademarks, and IPX™

and Novell Distributed Print Services™ are 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.

SWOP® is a registered trademark of SWOP, Inc.

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

Company Limited.

As an ENERGY STAR®partner, Xerox Corporation has determined that this product with an ES Option

meets the ENERGY STAR guidelines for energy efficiency. The ENERGY STAR name and logo are registered

U.S. marks.

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

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

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

Service Manual i

User Safety Summary

Terms in manual

Caution

Conditions that can result in damage to the product.

Warning

Conditions that can result in personal injury or loss of life.

Power source: For 110 VAC printers, do not apply more than 130 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 250 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.

Operation of product: Avoid electric shock by contacting a qualified service

technician to replace fuses inside the product. Do not operate without the covers and

panels properly installed. Do not operate in an atmosphere of explosive gases.

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

mains. Keep the power cord accessible for removal in case of an emergency.

Safety instructions: Read all installation instructions carefully before you plug the

product into a power source.

Terms on product

Warning

A personal injury hazard exists that may not be apparent. For example, a

panel may cover the hazardous area. Also applies to a hazard to property

including the product itself.

Warning

Personal injury hazard exists in the area where you see the sign.

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,

if you spill anything into the case, if product is exposed to any excess moisture, if

product is dropped or damaged, if you suspect that the product needs servicing or

repair, and whenever you clean the product.

ii Phaser 8400 Color Printer

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.

Symbols as marked on product:

DANGER high voltage:

Protective ground (earth) terminal:

Use caution. Refer to the manual(s) for information:

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

(and other conductive parts) can cause an electrical shock. Electrical product may be

hazardous if misused.

Service safety summary

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 will not

apply more than 250 volts rms 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.

Service Manual iii

Regulatory Specifications

United States

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

it is not installed properly in strict accordance with Xerox' 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/office/supplies.

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.

Canada

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.

iv Phaser 8400 Color Printer

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, NMB-003.

European Union

Xerox Corporation declares, under our sole responsibility, that the printer to which

this declaration relates is in conformity with the following standards and other

normative documents:

Following the provisions of the Low Voltage Directive 73/23/EEC and its

amendments:

Following the provisions of the Electromagnetic Compatibility Directive 89/336/EEC

and its amendments:

EN 60950 (IEC 60950) "Safety of Information Technology Equipment including Electrical

Business Equipment"

EN 55022:1998

(CISPR 22)

"Limits and Methods of measurement of radio interference

characteristics of Information Technology Equipment." Class B.

EN 61000-3-2:2000

(IEC61000-3-2)

"Part 3: Limits - Section 2: Limits for harmonic current emissions

(equipment input current less than or equal to 16A per phase)."

EN 61000-3-3:1995

+A1:2001

(IEC61000-3-3)

"Part 3: Limits - Section 3: Limitation of voltage fluctuations and

flicker in low-voltage supply systems for equipment with rated current

less than or equal to 16A."

EN 55024:1997

(CISPR 24)

"Information technology equipment - Immunity characteristics -

Limits and methods of measurement. "

CISPR 24 Immunity

Phenomena

Basic Standard Test Specification

Electrostatic Discharge IEC 61000-4-2:1995 6 kV Contact, 10 kV Air

Radio-Frequency

Electromagnetic Field (radiated)

IEC 61000-4-3:1995 80-1000 MHz, 3 V/m, 80% AM

@1KHz

Fast Burst Transients IEC 61000-4-4:1995 5/50 Tr/Th ns, 5 kHz Rep. Freq

0.5 kV Signal Lines

1 kV AC Mains

Line Surge IEC 61000-4-5:1995 Combination wave

2.0 kV Common mode

2.0 kV Differential mode

Radio-Frequency

Electromagnetic Field

(Conducted)

IEC 61000-4-6:1996 0.15 - 80 MHz, 3 V, 80% AM

@1kHz

Line voltage dips IEC 61000-4-11:1994 >95% dip for ½ cycle @ 50 Hz

30% dip for 25 cycles @ 50 Hz

Service Manual v

This product, if used properly in accordance with the user's instructions, is neither

dangerous for the consumer nor for the environment.

A signed copy of the Declaration of Conformity for this product can be obtained from

Xerox.

Line voltage drop-out IEC 61000-4-11:1994 >95% dropout for 250 cycles

@50Hz

CISPR 24 Immunity

Phenomena

Basic Standard Test Specification

vi Phaser 8400 Color Printer

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

precautions.

■Immediately before handling any semiconductor 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 under test to avoid potential shock.

■After removing a static sensitivity 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. 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 unpacked 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 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).

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