About Xerox Phaser 4510 Service Manual
Xerox Phaser 4510 Service Manual Terms
Various terms are used throughout this Xerox Phaser 4510 Service Manual to either provide additional information on a specific topic or to warn of possible danger present during a procedure or action. Be aware of all symbols and terms when they are used, and always read NOTE, CAUTION, and WARNING statements.
Consumable: Ink, toner, or print cartridge that is consumed. Customer is expected to replace once consumed.
Routine Maintenance Item: Supply item or kit that has a limited life. Customer is expected to replace at end-of-life.
Accessory: A single component or assembly that may be added to a printer; however, it is NOT an option to the product. Throughout this manual any pieces of information that pertain to just the
Phaser 4500 are indicated with P4500, and those that pertain to just the Phaser 4510 are indicated with P4510. Those that apply to both models do not have either label.
Power Safety Precautions
Power Source
For 110 VAC printers, do not apply more than 135 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 254 volts RMS between the supply conductors or between either supply conductor and ground. Use only the specified power cord. This manual assumes that the reader is a Xerox-certified service technician.
Plug the three-wire power cord (with grounding prong) into a grounded AC outlet only. If necessary, contact a licensed electrician to install a properly
Disconnecting Power
Turning the power off using the On/Off switch does not completely deenergize the printer. You must also disconnect the printer power cord from the AC outlet. Position the power cord so that it is easily accessible during servicing so that you may power down the printer during an emergency.
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Disconnect the power plug by pulling the plug, not the cord.
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Disconnect the power cord in the following cases:
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if the power cord or plug is frayed or otherwise damaged
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if any liquid or foreign material is spilled into the case
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if the printer is exposed to any excess moisture
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if the printer is dropped or damaged
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if you suspect that the product needs servicing or repair
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whenever you clean the product
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 sensitive 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 unpackaged 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 ICs and EPROMs carefully to avoid bending pins.
- Pay attention to the direction of parts when mounting or inserting them on Printed Circuit Boards (PCB’s).
Service Safety Summary
General Guidelines
For Xerox-certified service personnel only: Refer also to the preceding Power Safety Precautions.
Avoid servicing 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: 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 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 then 264 volts rms for a 220 volt AC outlet or 140 volts rms for a 110 volt AC outlet 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.
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