MINOLTA-QMS PagePro 4100 Series Bedienungsanleitung

www.minolta-qms.com

.minolta-qms.com

Service Manual

1750041-001B

PagePro 4100 Series

The essentials of imaging

Trademark Acknowledgments

The MINOLTA-QMS logo is a trademark of MINOLTA-QMS, Inc.

PagePro is a trademark of Minolta Co., Ltd.

LaserJet and PCL are registered trademarks of Hewlett-Packard Company.

Centronics is a registered trademark of Centronics Inc.

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

IBM is a registered trademark of International Business Machines Corporation.

Adobe and PostScript are trademarks of Adobe Systems, Inc.

Centronics is a registered trademark of Centronics Inc.

All other brand or product names are trademarks or registered trademarks of their

respective companies or organizations.

Safety Precautions for Inspection and Service

When performing inspection and service procedures, observe the following precautions

to prevent accidents and ensure the utmost safety.

*Depending on the model, some of the precautions given on the following pages do not

apply.

Different markings are used to denote specific meanings as detailed below.

Indicates a potentially hazardous situation, which if not avoided

could result in death or serious injury.

Indicates a potentially hazardous situation, which if not avoided

may result in minor or moderate injury. It is also used to alert

against unsafe practices.

The following graphic symbols are used to give instructions that need to be observed.

Used to call the service engineer attention to what is graphically represented

inside the marking (including a warning).

Used to prohibit the service engineer from doing what is graphically repre-

sented inside the marking.

Used to instruct the service engineer to do what is graphically represented

inside the marking.

1.Always observe precautions.

2.Before starting the procedures, be sure to unplug the power cord.

WARNING

CAUTION

WARNING

• Parts requiring special attention in this product will include a label containing

the mark shown on the left plus precautionary notes. Be sure to observe the

precautions.

• Be sure to observe the “Safety Information” given in Operator’s Manual.

• This product contains a high-voltage unit and a circuit with a large current

capacity that can cause an electric shock or burn.

• The product also contains parts that can jerk suddenly and cause injure.

• This product uses a laser. Laser beam leakage may cause eye damage or blind-

ness.

3.Use the specified parts.

4.Handle the power cord with care and never use a multiple socket.

5.Be careful about the high-voltage parts.

6.Do not keep your hands wet when performing the procedures.

7.Do not touch a high-temperature part.

8.Make a ground connection at all times (This item may not be effected in the USA).

9.Do not modify the product.

• For replacement parts, always use the genuine parts specified in the manufac-

turer’s Parts Manual. Installing a wrong or unauthorized part could cause

dielectric breakdown, overload, or undermine safety devices resulting in possi-

ble electric shock or fire.

• Replace a blown electrical fuse or thermal fuse with its corresponding genuine

part specified in the manufacturer’s Parts Manual. Installing a fuse of a differ-

ent make or rating could lead to a possible fire. If a thermal fuse blows fre-

quently, the temperature control system is probably the cause, and action must

be taken to eliminate the problem.

• Do not break, crush or otherwise damage the power cord. Placing a heavy

object on the power cord, or pulling or bending it may damage it, resulting in a

possible fire or electric shock.

• Do not use a multiple outlet to which any other appliances or machines are

connected.

• Be sure the power outlet meets or exceeds the specified capacity.

• A part marked with the symbol shown on the left carries a high voltage.

Touching it could result in an electric shock or burn. Be sure to unplug the

power cord before servicing this part or the parts near it.

• Do not unplug or plug in the power cord, or perform any kind of service or

inspection with wet hands. Doing so could result in an electric shock.

• A part marked with the symbol shown on the left and other parts such as the

exposure lamp and fusing roller can be very hot while the machine is ener-

gized. Touching them may result in a burn.

• Wait until these parts have cooled down before replacing them or any sur-

rounding parts.

• Be sure to connect a ground wire to the ground terminal even when performing

an inspection or repair. Without proper grounding, electrical leakage could

result in an electric shock or fire.

• Never connect the ground wire to a gas pipe, water pipe, telephone ground

wire, or a lightning conductor.

• Modifying this product in a manner not authorized by the manufacturer may

result in a fire or electric shock. If this product uses a laser, laser beam leakage

may cause eye damage or blindness.

iii

10.Restore all parts and harnesses to their original positions.

1.Precautions for Service Jobs

2.Precautions for Servicing with Covers and Parts Removed

• To ensure safety and prevent product damage, make sure the harnesses are

returned to their original positions and properly secured in their clamps and

saddles in order to avoid hot parts, high-voltage parts, and sharp edges, or

being crushed.

• To ensure safety, make sure that all tubing and other insulating materials are

returned to their original positions. Make sure that floating components

mounted on the circuit boards are at their correct distance and position off the

boards.

CAUTION

• A toothed washer and spring washer were originally used, they must be rein-

stalled. Omitting them may result in contact failure which could cause an

electric shock or fire.

• When reassembling parts, make sure that the correct screws (size, type) are

used in the correct places. Using the wrong screw could lead to stripped

threads, poorly secured parts, poor insulating or grounding, and result in a mal-

function, electric shock or injury.

• Take great care to avoid personal injury from possible burrs and sharp edges on

the parts, frames and chassis of this product.

• When moving the product or removing an option, use care not to injure your

back or allow your hands to be caught in mechanisms.

• Wherever possible keep all parts and covers mounted when energizing the

product.

• If energizing the product with a cover removed is absolutely unavoidable, do

not touch any exposed live parts and use care not to allow your clothing to be

caught in the moving parts. Never leave a product in this condition unattended.

• Never place disassembled parts or a container of liquid near opened areas o

the product. Product parts falling into, or the liquid spilling inside the mecha-

nism could result in an electric shock or fire.

• Never use a flammable spray near the product. This could result in a fire.

• Make sure the power cord is unplugged before removing or installing circuit

boards or plugging in or unplugging connectors.

• Always use the interlock switch actuating jig to actuate an interlock switch

when a cover is opened or removed. The use of folded paper or some other

object may damage the interlock switch mechanism, possibly resulting in an

electric shock, injury or blindness.

3.Precautions for Working Environment

4.Precautions for Handling Batteries

5.Precautions for Laser Beam (Products Employing Laser Only)

• The product must be placed on a flat, level surface that is stable and secure.

• Never place this product or its parts on an unsteady or tilting workbench when

servicing.

• Provide good ventilation at regular intervals if a service job must be done in a

confined space for a long period time.

• Avoid dusty locations and places exposed to oil mist or steam.

• Avoid working positions that may block the ventilation port of the product.

• Replace a rundown battery with the same type as specified in the manufac-

turer’s parts manual.

• Before installing a new battery, make sure of the correct polarity of the installa-

tion or the battery could burst.

• Dispose of used batteries according to the local regulations. Never dispose o

them at the user’s premises or attempt to try to discharge one.

• Removing the cover marked with the following caution label could lead to pos-

sible exposure to the laser beam, resulting in eye damage or blindness. Be sure

to unplug the power cord before removing this cover.

• If removing this cover while the power is ON is unavoidable, be sure to wear

protective laser goggles that meet specifications.

• Make sure that no one enters the room when the machine is in this condition.

• When handling the laser unit, observe the “Precautions for Handling Laser

Equipment.”

DANGER

Invisible laser radiation when open.

AVOID DIRECT EXPOSURE

TO BEAM 0947-7127-01

1144D270AA

1167P001AA

• To reassemble the product, reverse the order of disassembly unless otherwise specified.

• While the product is energized, do not unplug or plug connectors into the circuit boards

or harnesses.

• The magnet roller generates a strong magnetic field, therefore it should not come in

close contact with a watch, floppy disk, magnetic card, or CRT tube.

• An air gun and vacuum cleaner generates a strong electrostatic charge that can destroy

the ATDC sensor and other sensors. Before cleaning a component with one of these

devices, be sure to remove all the sensors. Otherwise, use a blower brush and cloth

when cleaning parts.

• When handling circuit boards with MOS ICs, observe the “INSTRUCTIONS FOR

HANDLING THE PWBs WITH MOS ICs” (applicable only to the products using

MOS ICs).

• The PC Drum is a very delicate component. Observe the precautions given in “HAN-

DLING OF THE PC DRUM” because mishandling may result in serious image prob-

lems.

• Note that replacement of a circuit board may call for readjustments or resetting of

• particular items, or software installation.

• After completing a service job, perform a safety check. Make sure that all parts, wiring

and screws are returned to their original positions.

• Check the area surrounding the service site for any signs of damage, wear or need of

repair.

• Do not pull out the toner hopper while the toner bottle is turning. This could result in a

damaged hopper motor or locking mechanism.

• If the product is to be run with the front door open, make sure that the toner hopper is in

the locked position.

Other Precautions

(ALL Areas)

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufacturer.

Dispose of used batteries according to the manufacturer’s instructions.

(Germany only)

VORSICHT!

Explosinsgefahr bei unsachgemäßen austausch der batterie.

Ersatz nur durch denselben oder einen vom hersteller empfohlenen ähnlichen typ.

Entsorgung gebrauchter batterien nach angaben des herstellers.

(France)

ATTENTION

Ily a danger d’explosion s’ily a remplacement incorrec de la batterie.

Remplacer uniquement avec une batterie du meme type ou d’un type équivalent recom-

mande par le constructueur.

Mettre au rebut les batteries usageés conformément aux instructions du fabricant.

(Denmark only)

ADVARSEL!

Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering Udskiftning må kun ske med

batteri af samme fabrikat og type.

Levér det brugte batteri tilbage til leverandøren.

(Norway only)

ADVARSEL

Eksplosjonsfare ved feilaktig skifte av batteri.

Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten.

Brukte batterier kasseres i henhold til fabrikantens instruksjoner.

(Sweden only)

VARNING

Explosionsfara vid felaktigt batteribyte.

Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparat-

tillverkaren.

Kassera använt batteri enligt fabrikantens instruktion.

(Finland only)

VAROlTUS

Paristo voi räjähtää, los se on virheellisesti asennettu.

Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä Käytetty

paristo valmistajan ohjeiden mukaisesti.

Used Batteries Precautions

vii

SAFETY INFORMATION

This printer is a page printer which operates by means of a laser. There is no possibility

of danger from the laser, provided the printer is operated according to the instructions in

this manual.

Since radiation emitted by the laser is completely confined within protective housing, the

laser beam cannot escape from the machine during any phase of user operation.

Laser Safety

This printer is certified as a Class 1 Laser product under the U.S. Department of

Health and Human Services (DHHS) Radiation Performance Standard according

to the Radiation Control for Health and Safety Act of 1968. This means that the

printer does not produce hazardous laser radiation.

CDRH Regulations

The Center for Devices and Radiological Health (CDRH) of the U.S. Food and

Drug Administration implemented regulations for laser products on August 2,

1976. Compliance is mandatory for products marketed in the United States. The

label shown below indicates compliance with the CDRH regulations and must be

attached to laser products marketed in the United States.

Internal Laser Radiation

Maximum Radiation Power: 1.03 (mW) at laser aperture of the print head unit

Wave Length: 770-810 (nm)

This product employs Class IIIb Laser Diode.

Laser Diode and Scanning Polygon Mirror are incorporated in the print head unit.

The print head unit is NOT A FIELD SERVICE ITEM.

Therefore, the print head unit should not be opened under any circumstances.

WARNING: Use of controls, adjustments or performance of procedures other than

those specified in this manual may result in hazardous radiation exposure.

This is a semiconductor laser. The maximum power of the laser diode is 5 mW and

the wavelength is 770-810 nm.

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