Service Handbook DP1520.pdf

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    !

    The contents of this Service Manual and the Specifications are subject to change

    without notice.

    Panasonic Communications Co., Ltd. reserves the right to make improvements in

    the product design without reservation and without notice.

    Published in Japan.

    Information regarding Lead-Free (PbF) solder:

    Distinction of PbF PCB:

    PCBs (manufactured) using lead free solder will have a mark following

    the PCB part numbers in a label on the PCB.

    Caution:

    Pb free solder has a higher melting point than standard solder; typically

    the melting point is 50 - 70 F (30 - 40 C) higher. Please use a soldering iron

    with temperature control and adjust it to 700 20 F (370 10 C). Exercise care

    while using higher temperature soldering irons, do not heat the PCB for too longto prevent solder splash or damage to the PCB.

    Pb free solder will tend to splash when heated too high (about 1100 F/600 C).

    ECO SOLDER M705 (available from Senju Metal Industry Co., Ltd.:

    URL: http://www.senju-m.co.jp) is recommended when repairing PbF PCBs.

    This Product Uses Lead (Pb) Free Solder Printed CircuitBoards (PCBs).

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    G

    Power and Ground Connection Cautions

    Ensure that the plug connection is free of dust. In a damp environment, a contaminatedconnector can draw a significant amount of current that can generate heat and

    eventually cause fire over an extended period of time.

    Always use the power cord provided with your machine. When an extension power cord

    is required, always use a properly rated cord.

    120 V/15 A or AC 220 - 240V/10 A

    If you use a cord with an unspecified current rating, the machine or plug may emit smokeor become hot to the touch externally.

    Do not attempt to rework, pull, bend, chafe or otherwise damage the power cord. Do not

    place a heavy object on the cord. A damaged cord can cause fire or electric shocks.

    For Your Safety

    To prevent severe injury and loss of life, read this section carefully before servicing the Panasonic

    machine to ensure proper and safe operation.

    Please ensure that the machine is installed near a wall outlet and is easily accessible.

    This section explains the graphic symbols used in the machine and/or this manual.

    WARNING:

    Denotes a potential hazard that could result in serious injury or death.

    CAUTION:

    Denotes hazards that could result in minor injury or damage to the machine.

    This section also explains the graphic symbols used in the machine and/or this manual.

    These symbols are used to alert operators to a specific operating procedure

    that must not be performed.

    These symbols are used to alert operators to a specific operating procedure

    that must be emphasized in order to operate the machine safely.

    Installation and Relocation Cautions

    Do not place the machine near heaters or volatile, flammable, or combustible materials

    such as curtains that may catch fire.

    Do not place the machine in a hot, humid, dusty or poorly ventilated environment.

    Prolonged exposure to these adverse conditions can cause fire or electric shocks.

    Place the machine on a level and sturdy surface that can withstand.

    If tilted, the machine may tip-over and cause injuries.

    When relocating the machine, remove the toner and/or developer, and pack the machine

    with proper packing materials for shipping.

    When moving the machine, be sure to unplug the power cord from the outlet. If the

    machine is moved with the power cord attached, it can cause damage to the cord which

    could result in fire or electric shock.

    Precautions

    CAUTION

    WARNING

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    H

    Never touch a power cord with wet hands. Danger of electric shock exists.

    If the power cord is broken or insulated wires are exposed, replace immediately with a specified cord only.

    Using a damaged cord can cause fire or electric shocks.

    Stop operation immediately if your machine produces smoke, excessive heat, unusual noise, or smell,

    or if water is spilt onto the machine. These conditions can cause fire. Immediately switch Off and

    unplug the machine.

    Do not disconnect or reconnect the machine while it is on. Disconnecting a live connector can deform

    the plug and cause fire.

    When disconnecting the machine, grasp the plug instead of the cord. Forcibly pulling on a cord can

    damage it and cause fire or electric shock.

    When the machine is not used over an extended period of time, switch it Off and unplug it. If an unused

    machine is left connected to a power source for a long period, degraded insulation can cause electric

    shocks, current leakage or fire.

    Be sure to switch Off and unplug the machine before accessing the interior of the machine for cleaning,

    maintenance or fault clearance. Access to a live machines interior can cause electric shock.

    Be sure to switch Off and unplug the machine before accessing the interior of the machine for

    accessing interface cables, maintenance or fault clearance. Access to a live machines interior can

    cause electric shock.

    Once a month, unplug the machine and check the power cord for the following. If you notice any

    unusual condition.

    The power cord is plugged firmly into the receptacle.

    The plug is not excessively heated, rusted, or bent.

    The plug and receptacle are free of dust.

    The cord is not cracked or frayed.

    Others

    The machine has a built-in circuit for protection against lightning-induced surge current. If lightning strikes in your

    neighborhood, switch Off the machine. Disconnect the telephone line cable first, then unplug the power cord from

    the machine and reconnect only when the lightning storm has stopped.

    If you notice flickering or distorted images or noises on your audio-visual units, your machine may be causingradio interference. Switch it Off and if the interference disappears, the machine is the cause of the radio interfer-

    ence. Perform the following procedure until the interference is corrected.

    Move the machine and the TV and/or radio away from each other.

    Reposition or reorient the machine and the TV and/or radio.

    Unplug the machine, TV and/or radio, and replug them into outlets that operate on different circuits.

    Reorient the TV and/or radio antennas and cables until the interference stops.

    For an outdoor antenna, ask your local electrician for support.

    Use a coaxial cable antenna.

    Operating Safeguards

    Do not touch areas where these caution labels are attached to the surface may be very hot, and causeserver burns.

    Do not place any liquid container such as a vase or coffee cup on the machine. Spilt water can cause

    fire or shock hazard.

    Do not place any metal parts such as staples or clips on the machine. If metal and flammable parts get

    into the machine, they can short-circuit internal components, and cause fire or electric shocks.

    If debris (metal or liquid) gets into the machine, switch Off and unplug the machine.

    Operating a debris-contaminated machine can cause fire or electric shock.

    Do not try to alter the machine configuration or modify any parts. An unauthorized modification can

    cause smoke or fire.

    WARNING

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    I

    Do not place a magnet near the safety switch of the machine. A magnet can activate the

    machine accidentally resulting in injuries.

    Do not use a highly flammable spray or solvent near the machine. It can cause fire.

    When copying a thick document, do not use excessive force to press it against thedocument glass. The glass may break and cause injuries.

    Never touch a labeled area found on or near the heat roller. You can get burnt. If a sheet

    of paper is wrapped around the heat roller, do not try to remove it when it is hot, to avoid

    injuries or burns. Switch Off the machine immediately, and wait until it cools down.

    Do not use conductive paper, e.g. folding paper, carbonic paper and coated paper. When

    a paper jam occurs, they can cause a short circuit and fire.

    Do not place any heavy object on the machine. An off-balance machine can tip-over or

    the heavy object can fall, causing damage and/or injuries.

    Keep the room ventilated when using the machine for an extended period of time to

    minimize the ozone density in the air.

    When copying with the document cover open, do not look directly at the exposure lamp.Direct eye exposure can cause eye fatigue or damage.

    Pull out paper trays slowly to prevent injuries.

    When removing jammed paper, make sure that no pieces of torn paper are left in the

    machine. A piece of paper remaining in the machine can cause fire. If a sheet of paper is

    wrapped around the heat roller, or when clearing a jammed paper that is difficult or

    impossible to see, do not try to remove it by yourself. Doing so can cause injuries or

    burns. Switch Off the machine immediately, and wait until it cools down.

    CAUTION

    Consumable Safeguards

    Never throw a toner bottle into an open flame. Toner remaining in the bottle can

    cause an explosion and you can get burnt.

    Never throw toner or a waste toner container or a toner bottle into an open flame. Itcan cause an explosion and you can get burnt.

    Keep button batteries out of the reach of children. If a button battery is swallowed

    accidentally, get medical treatment immediately.

    Never heat the drum cartridge, or scratch its surface. A heated or scratched drum can be

    hazardous to your health.

    Do not mix new and old batteries together. Otherwise, batteries can burst or leak,

    causing fire or injuries.

    Be sure to use the specified type of batteries only.

    Ensure that batteries are installed with correct polarity. Incorrectly installed batteries can

    burst or leak, resulting in spillage or injuries.

    WARNING

    CAUTION

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    Preventive maintenance is performed at specific intervals and consists of machine

    cleaning and parts replacement.

    It is essential to perform these service activities properly and at the specified intervals

    for customer satisfaction.The purpose of this service is to maintain machine performance and image quality.

    - You should prepare the replacement parts, and cleaning tools beforehand.

    - After completing the preventive maintenance, discard the used parts and

    packaging in accordance with local regulations and clean the surrounding

    area.

    - Before servicing the equipment, disconnect the power cord from the wall outlet.

    - Before using solvents such as IPA (Isopropyl alcohol), put on rubber gloves

    and eye protection.

    1 Timing

    - Perform the preventive maintenance in accordance with the Preventive

    Maintenance Check List. (refer to 2.4.)

    2 Cleaning the Rollers

    - Rollers should be cleaned with water and cloth.

    - Use the IPA (Isopropyl Alcohol) sparingly.

    3 Disassembly and Adjustment Precautions

    Turn the Power Switch on the Right Side of the machine to the OFFposition, and then unplug the AC Power Cord from the wall outletbefore disassembling the machine. (During a Lightning Storm, toprevent electrocution disconnect the Telephone Line Cable firstbefore unplugging the AC Power Cord.)

    CAUTION!

    - After taking the unit apart, do not attempt to operate the machine.

    - When operating the machine with covers removed, be careful and avoid clothingfrom being caught by moving components.

    -

    - Ensure to use correct screws.

    - Use toothed lock washers for the installation of ground wires to ensure electrical

    continuity.

    - To reassemble, reverse the sequence of disassembly, unless otherwise specified.

    - Blown fuses should only be replaced with fuses of the same specified rating.

    While the electricity is applied to the unit, do not connect nor disconnect theconnectors on any PC Board.

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