Ricoh M022 Manuel utilisateur

M022/M024/M026/M028

SERVICE MANUAL

DRAFT VERSION

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Important Safety Notices

Responsibilities of the Customer Engineer

Customer Engineer

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

the machine and all optional devices designed for use with the machine.

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 customer engineers).

• In regard to other safety issues not described in this document, all customer 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.

Before Installation, Maintenance

Shipping and Moving the Machine

• Work carefully when lifting or moving the machine. If the machine is heavy, two or more customer

engineers may be required to prevent injuries (muscle strains, spinal injuries, etc.) or damage to the

machine if it is dropped or tipped over.

• 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.

• 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.

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Power

• 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.

• 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.).

• 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.

Installation, Disassembly, and Adjustments

• 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.

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

lubricate moving parts while the machine is operating.

Special Tools

• Use only standard tools approved for machine maintenance.

• 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.

During Maintenance

General

• Before you begin a maintenance procedure: 1) Switch the machine off, 2) Disconnect the power plug

from the power source, 3) Allow the machine to cool for at least 10 minutes.

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

Safety Devices

• Never remove any safety device unless it requires replacement. Always replace safety devices

immediately.

• 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.

• 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.

Organic Cleaners

• During preventive maintenance, never use any organic cleaners (alcohol, etc.) other than those

described in the service manual.

• 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.

• 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.

• Wash your hands thoroughly after cleaning parts with an organic cleaner to contamination of food,

drinks, etc. which could cause illness.

• 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).

Lithium Batteries

• 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.

• 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.

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Power Plug and Power Cord

• Before serving the machine (especially when responding to a service call), always make sure that the

power plug has been inserted completely into the power source. A partially inserted plug could lead

to heat generation (due to a power surge caused by high resistance) and cause a fire or other

problems.

• Always check the power plug and make sure that it is free of dust and lint. Clean it if necessary. A

dirty plug can generate heat which could cause a fire.

• Inspect the length of the power cord for cuts or other damage. Replace the power cord if necessary.

A frayed or otherwise damaged power cord can cause a short circuit which could lead to a fire or

personal injury from electrical shock.

• Check the length of the power cord between the machine and power supply. Make sure the power

cord is not coiled or wrapped around any object such as a table leg. Coiling the power cord can

cause excessive heat to build up and could cause a fire.

• Make sure that the area around the power source is free of obstacles so the power cord can be

removed quickly in case of an emergency.

• Make sure that the power cord is grounded (earthed) at the power source with the ground wire on

the plug.

• Connect the power cord directly into the power source. Never use an extension cord.

• When you disconnect the power plug from the power source, always pull on the plug, not the cable.

After Installation, Servicing

Disposal of Used Items

• Never incinerate used toner or toner cartridges.

• Toner or toner cartridges thrown into a fire can ignite or explode and cause serious injury. At the work

site always carefully wrap used toner and toner cartridges with plastic bags to avoid spillage before

disposal or removal.

• Always dispose of used items (developer, toner, toner cartridges, OPC drums, etc.) in accordance

with the local laws and regulations regarding the disposal of such items.

• To protect the environment, never dispose of this product or any kind of waste from consumables at

a household waste collection point. Dispose of these items at one of our dealers or at an authorized

collection site.

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• Return used selenium drums to the service center for handling in accordance with company policy

regarding the recycling or disposal of such items.

Points to Confirm with Operators

At the end of installation or a service call, instruct the user about use of the machine. Emphasize the following

points.

• Show operators how to remove jammed paper and troubleshoot other minor problems by following

the procedures described in the operating instructions.

• Point out the parts inside the machine that they should never touch or attempt to remove.

• Confirm that operators know how to store and dispose of consumables.

• Make sure that all operators have access to an operating instruction manual for the machine.

• Confirm that operators have read and understand all the safety instructions described in the operating

instructions.

• Demonstrate how to turn off the power and disconnect the power plug (by pulling the plug, not the

cord) if any of the following events occur: 1) something has spilled into the product, 2) service or

repair of the product is necessary, 3) the product cover has been damaged.

• Caution operators about removing paper fasteners around the machine. They should never allow

paper clips, staples, or any other small metallic objects to fall into the machine.

Special Safety Instructions for Toner

Accidental Physical Exposure

• Work carefully when removing paper jams or replacing toner bottles or cartridges to avoid spilling

toner on clothing or the hands.

• If toner is inhaled, immediately gargle with large amounts of cold water and move to a well ventilated

location. If there are signs of irritation or other problems, seek medical attention.

• If toner gets on the skin, wash immediately with soap and cold running water.

• If toner gets into the eyes, flush the eyes with cold running water or eye wash. If there are signs of

irritation or other problems, seek medical attention.

• If toner is swallowed, drink a large amount of cold water to dilute the ingested toner. If there are signs

of any problem, seek medical attention.

• If toner spills on clothing, wash the affected area immediately with soap and cold water. Never use

hot water! Hot water can cause toner to set and permanently stain fabric.

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Handling and Storing Toner

• Toner, used toner, and developer are extremely flammable.

•Never store toner, developer, toner cartridges, or toner bottles (including empty toner bottles or

cartridges) in a location where they will be exposed to high temperature or an open flame.

• Always store toner and developer supplies such as toner and developer packages, cartridges, and

bottles (including used toner and empty bottles and cartridges) out of the reach of children.

•Always store fresh toner supplies or empty bottles or cartridges in a cool, dry location that is not

exposed to direct sunlight.

Toner Disposal

• Never attempt to incinerate toner, used toner, or empty toner containers (bottles or cartridges). Burning

toner can explode and scatter, causing serious burns.

• Always wrap used toner and empty toner bottles and cartridges in plastic bags to avoid spillage.

Follow the local laws and regulations regarding the disposal of such items.

• Dispose of used toner and toner cartridges at one of our dealers or at an authorized collection site.

Always dispose of used toner cartridges and toner bottles in accordance with the local laws and

regulations regarding the disposal of such items.

Safety Instructions for this Machine

Prevention of Physical Injury

1. Before disassembling or assembling parts of the machine and peripherals, make sure that the machine

and peripheral power cords are unplugged.

2. The plug should be near the machine and easily accessible.

3. Note that some components of the machine and the paper tray unit are supplied with electrical voltage

even if the main power switch is turned off.

4. If any adjustment or operation check has to be made with exterior covers off or open while the main

switch is turned on, keep hands away from electrified or mechanically driven components.

5. If the [Start] key is pressed before the machine completes the warm-up period (the [Start] key starts

blinking red and green), keep hands away from the mechanical and the electrical components as the

machine starts making copies as soon as the warm-up period is completed.

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6. The inside and the metal parts of the fusing unit become extremely hot while the machine is operating.

Be careful to avoid touching those components with your bare hands.

7. To prevent a fire or explosion, keep the machine away from flammable liquids, gases, and aerosols.

8. When a thick book or three-dimensional original is placed on the exposure glass and the ARDF cover

is lowered, the back side of the ARDF rises up to accommodate the original. Therefore, when closing

the ARDF, please be sure to keep your hands away from the hinges at the back of the ARDF.

Health Safety Conditions

1. Never operate the machine without the ozone filters installed.

2. Always replace the ozone filters with the specified types at the proper intervals.

3. Toner and developer are non-toxic, but if you get either of them in your eyes by accident, it may cause

temporary eye discomfort. Try to remove with eye drops or flush with water as first aid. If unsuccessful,

get medical attention.

Observance of Electrical Safety Standards

1. The machine and its peripherals must be installed and maintained by a customer service representative

who has completed the training course on those models.

2. The NVRAM on the system control board has a lithium battery which can explode if replaced

incorrectly. Replace the NVRAM only with an identical one. The manufacturer recommends replacing

the entire NVRAM. Do not recharge or burn this battery. Used NVRAM must be handled in accordance

with local regulations.

Safety and Ecological Notes for Disposal

1. Do not incinerate toner bottles or used toner. Toner dust may ignite suddenly when exposed to an

open flame.

2. Dispose of used toner, developer, and organic photoconductors in accordance with local regulations.

(These are non-toxic supplies.)

3. Dispose of replaced parts in accordance with local regulations.

4. When keeping used lithium batteries in order to dispose of them later, do not put more than 100

batteries per sealed box. Storing larger numbers or not sealing them apart may lead to chemical

reactions and heat build-up.

• The danger of explosion exists if a battery of this type is incorrectly replaced.

•Replace only with the same or an equivalent type recommended by the manufacturer. Discard used

batteries in accordance with the manufacturer's instructions.

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Laser Safety

The Center for Devices and Radiological Health (CDRH) prohibits the repair of laser-based optical units

in the field. The optical housing unit can only be repaired in a factory or at a location with the requisite

equipment. The laser subsystem is replaceable in the field by a qualified Customer Engineer. The laser

chassis is not repairable in the field. Customer engineers are therefore directed to return all chassis and

laser subsystems to the factory or service depot when replacement of the optical subsystem is required.

•Use of controls, or adjustment, or performance of procedures other than those specified in this manual

may result in hazardous radiation exposure.

•WARNING: Turn off the main switch before attempting any of the procedures in the Laser Optics

Housing Unit section. Laser beams can seriously damage your eyes.

•CAUTION MARKING:

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