Toshiba E-STUDIO4500c Manuale utente

SERVICEMANUAL

MULTIFUNCTIONAL DIGITAL COLOR SYSTEMS

e-STUDIO4500c/5500c

File No. SME060023C0

R060621C2200-TTEC

Ver03_2007-04

TRADEMARKS

• The official name of Windows 95 is Microsoft Windows 95 Operating System.

• The official name of Windows 98 is Microsoft Windows 98 Operating System.

• The official name of Windows Me is Microsoft Windows Millennium Edition Operating System.

• The official name of Windows 2000 is Microsoft Windows 2000 Operating System.

• The official name of Windows XP is Microsoft Windows XP Operating System.

• Microsoft, Windows, Windows NT and the brand names and product names of other Microsoft prod-

ucts are trademarks or registered trademarks of Microsoft Corporation in the U.S. and/or other coun-

tries.

• Apple, AppleTalk, Macintosh, and Mac are trademarks of Apple Computer, Inc. in the U.S. and other

countries.

• PostScript is a trademark of Adobe Systems Incorporated.

• NOVELL, NetWare, and NDS are trademarks or registered trademarks of Novell, Inc.

• Ricoh Corporation or other company names and product names in this manual are the trademarks

of their respective companies.

Under the copyright laws, this manual cannot be reproduced in any form without prior written permission

of TOSHIBA TEC CORPORATION. No patent liability is assumed, however, with respect to the use of the

information contained herein.

1. CONVENTIONS

Conventions Used in this Manual

This manual uses several symbols.

Symbol What it means

Refer to section number

See Core Tech Manual for

details

Screw

Connector

E-ring

Clip ring

 Clamp

Cautions, Notes, etc.

The following headings provide special information:

WARNING

FAILURE TO OBEY WARNING INFORMATION COULD RESULT IN SERIOUS INJURY OR

DEATH.

CAUTION

Obey these guidelines to ensure safe operation and prevent minor injuries.

Important

•Obey these guidelines to avoid problems such as misfeeds, damage to originals,

loss of valuable data and to prevent damage to the machine.

IMPORTANT

•ALWAYS OBEY THESE GUIDELINES TO AVOID SERIOUS PROBLEMS SUCH AS MISFEEDS,

DAMAGE TO ORIGINALS,LOSS OF VALUABLE DATA AND TO PREVENT DAMAGE TO THE

MACHINE.BOLD IS ADDED FOR EMPHASIS.

NOTE: This information provides tips and advice about how to best service the

machine.

Lengthwise, SEF

(Short Edge Feed)

Sideways, LEF

(Long Edge Feed)

Commonly Used Terms

In the SP tables, the finishers are referred to by number, and some devices that

appear in the SP tables are not supported overseas:

Finisher 1 3000/2000-Sheet Finisher B700/B701. The B700 supports corner stapling,

booklet stapling and booklet folding. The B701 supports corner stapling only.

Finisher 2 3000-Sheet Finisher B706.

Z-Fold This refers to the Z-Folding unit. The copier does not support this peripheral

device at this time. Please ignore references to "Z-Fold" in the SP tables.

QL Quenching Lamp

ITB Image Transfer Belt

PTR Paper Transfer Roller

PCU Photoconductor Unit

IDU Image Discrimination Unit

SBU Sensor Board Unit

NIB Network Interface Board

STC Soft Toner Cartridge

TD Toner Density

ADS Auto image Density Selection

M/A Mass per Area

MUSIC Mirror Unit Skew Interval Correction

DFU Design or Factory Use (Denote: Do not change the value.)

EM Emergency Maintenance

2. GENERAL SAFETY INSTRUCTIONS

For your safety, please read this manual carefully before you use this product.

Keep this manual handy for future reference.

Safety Information

Always obey the following safety precautions when using this product.

Safety During Operation

In this manual, the following important symbols and notations are used.

WARNING

A Warning indicates a potentially hazardous situation. Failure to obey a Warning

could result in death or serious injury.

CAUTION

A Caution indicates a potentially hazardous situation. Failure to obey a Caution

could result in minor or moderate injury or damage to the machine or other

property.

Switches and Symbols

Where symbols are used on or near switches on machines for Europe and other

areas, the meaning of each symbol conforms with IEC60417.

SAFE-SYM.WMF

OFF

Push ON/Push OFF

STANDBY

2.1 RESPONSIBILITIES OF THE SERVICE ENGINEER

2.1.1 SERVICE ENGINEER

Maintenance shall be done only by trained service engineers who have completed

service training for the machine and all optional devices designed for use with the

machine.

2.1.2 REFERENCE MATERIAL FOR MAINTENANCE

Maintenance shall be done using the special tools and procedures prescribed for

maintenance of the machine described in the reference materials (service manuals,

technical bulletins, operating instructions, and safety guidelines for service

engineers).

In regard to other safety issues not described in this document, all service

engineers shall strictly obey procedures and recommendations described the “CE

Safety Guide”.

Use only consumable supplies and replacement parts designed for use of the

machine.

2.2 BEFORE INSTALLATION, MAINTENANCE

2.2.1 SHIPPING AND MOVING THE MACHINE

CAUTION

1. Work carefully when lifting or moving the machine. If the machine is heavy,

two or more service engineers may be required to prevent injuries (muscle

strains, spinal injuries, etc.) or damage to the machine if it is dropped or

tipped over.

2. Personnel moving or working around the machine should always wear proper

clothing and footwear. Never wear loose fitting clothing or accessories

(neckties, loose sweaters, bracelets, etc. ) or casual footwear (slippers,

sandals, etc.) when lifting or moving the machine.

3. Always unplug the power cord from the power source before you move the

product. Before you move the product, arrange the power cord so it will not

fall under the product.

4. Be sure not to hold the movable parts or units (e.g. the doors, ARDF) when

transporting the copier.

5. The copier is quite heavy and weighs approximately 298 kg (655.6 lb.),

therefore pay full attention when handling it.

6. When transporting/installing the equipment, employ four persons.

2.2.2 POWER

Warning

1. Always disconnect the power plug before doing any maintenance procedure.

After switching off the machine, power is still supplied to the main machine

and other devices. To prevent electrical shock, switch the machine off, wait

for a few seconds, then unplug the machine from the power source.

2. Before you do any checks or adjustments after turning the machine off, work

carefully to avoid injury. After removing covers or opening the machine to do

checks or adjustments, never touch electrical components or moving parts

(gears, timing belts, etc.).

3. After turning the machine on with any cover removed, keep your hands away

from electrical components and moving parts. Never touch the cover of the

fusing unit, gears, timing belts, etc.

4. Be sure to use a dedicated outlet with AC 120 V / 20 A for its power source.

2.2.3 INSTALLATION, DISASSEMBLY, AND ADJUSTMENTS

CAUTION

1. After installation, maintenance, or adjustment, always check the operation of

the machine to make sure that it is operating normally. This ensures that all

shipping materials, protective materials, wires and tags, metal brackets, etc.,

removed for installation, have been removed and that no tools remain inside

the machine. This also ensures that all release interlock switches have been

restored to normal operation.

2. Never use your fingers to check moving parts causing spurious noise. Never

use your fingers to lubricate moving parts while the machine is operating.

3. When the parts are disassembled, reassembly is the reverse of disassembly

unless otherwise noted in this manual or other related documents. Be careful

not to install small parts such as screws, washers, pins, E-rings, star washers

in the wrong places.

4. Basically, the equipment should not be operated with any parts removed or

disassembled.

5. Return the equipment to the original state and check the operation when the

service is finished.

6. Be careful when removing the covers since there might be the parts with very

sharp edges underneath.

2.2.4 SPECIAL TOOLS

CAUTION

1. Use only standard tools approved for machine maintenance.

2. For special adjustments, use only the special tools and lubricants described

in the service manual. Using tools incorrectly, or using tools that could

damage parts, could damage the machine or cause injuries.

2.3 DURING MAINTENANCE

2.3.1 GENERAL

CAUTION

1. Before you begin a maintenance procedure:

•Switch the machine off.

•Disconnect the power plug from the power source.

•Allow the machine to cool for at least 10 minutes.

2. Avoid touching the components inside the machine that are labeled as hot

surfaces.

3. Be sure not to touch high-temperature sections such as the exposure lamp,

heater and fuser unit areas around them.

4. Be sure not to touch high-

voltage sections such as the chargers, transfer belt,

developer, high-voltage transformer, exposure lamp, inverter for the LCD

back-light and power supply unit. Especially, the board of these components

should not be touched since the electric charge may remain in the capacitors,

etc. on them even after the power is turned OFF.

5. Be very careful to treat the touch panel gently and never hit it. Breaking the

surface could cause malfunctions.

2.3.2 SAFETY DEVICES

WARNING

1. Never remove any safety device unless it requires replacement. Always

replace safety devices immediately.

2. Never do any procedure that defeats the function of any safety device.

Modification or removal of a safety device (fuse, switch, etc.) could lead to a

fire and personal injury. Always test the operation of the machine to ensure

that it is operating normally and safely after removal and replacement of any

safety device.

3. For replacements use only the correct fuses or circuit breakers rated for use

with the machine. Using replacement devices not designed for use with the

machine could lead to a fire and personal injuries.

4. During servicing, be sure to check the rating plate and cautionary labels such

as “CAUTION. HOT”, “CAUTION. HIGH VOLTAGE”, “CAUTION. LASER

BEAM”, etc. to see if there is any dirt on their surface and if they are properly

stuck to the equipment.

2.3.3 ORGANIC CLEANERS

CAUTION

1. During preventive maintenance, never use any organic cleaners (alcohol,

etc.) other than those described in the service manual.

2. Make sure the room is well ventilated before using any organic cleaner. Use

organic solvents in small amounts to avoid breathing the fumes and

becoming nauseous.

3. Switch the machine off, unplug it, and allow it to cool before doing preventive

maintenance. To avoid fire or explosion, never use an organic cleaner near

any part that generates heat.

4. Wash your hands thoroughly after cleaning parts with an organic cleaner to

contamination of food, drinks, etc. which could cause illness.

5. Clean the floor completely after accidental spillage of silicone oil or other

materials to prevent slippery surfaces that could cause accidents leading to

hand or leg injuries. Use “My Ace” Silicone Oil Remover (or dry rags) to soak

up spills. For more details, please refer to Technical Bulletin “Silicone Oil

Removal” (A024-50).

2.3.4 LITHIUM BATTERIES

WARNING

1. Always replace a lithium battery on a PCB with the same type of battery

prescribed for use on that board. Replacing a lithium battery with any type

other than the one prescribed for use on the board could lead to an explosion

or damage to the PCB.

2. Never discard used batteries by mixing them with other trash. Remove them

from the work site and dispose of them in accordance with local laws and

regulations regarding the disposal of such items.

2.3.5 OZONE FILTERS

CAUTION

1. Always replace ozone filters as soon as their service life expires (as

described in the service manual). An excessive amount of ozone can build up

around machines that use ozone filters if they are not replaced at the

prescribed time. Excessive ozone could cause personnel working around the

machine to feel unwell.

2. Provide proper ventilation since the equipment emits a slight amount of

ozone.

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