Samsung CLX-6220FX, Service Manual

Page: 51 / 168

Disassembly and Reassembly
Service Manual
3-1
Samsung Electronics
3. Disassembly and Reassembly
3.1 Precautions when replacing parts
3.1.1 Precautions when assembling and disassembling
* Use only approved Samsung spare parts. Ensure that part number, product name, any voltage, current or
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or electric shock.
* Do not make any unauthorized changes or additions to the printer, these could cause the printer to
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* Take care when dismantling the unit to note where each screw goes. There are 19 different screws. Use of
the wrong screw could lead to system failure, short circuit or electric shock.
* Do not disassemble the LSU unit. Once it is disassembled dust is admitted to the mirror chamber and will
seriously degrade print quality. There are no serviceable parts inside.
* Regularly check the condition of the power cord, plug and socket. Bad contacts could lead to overheating
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3.1.2 Preautions when handling PBA
Static electricity can damage a PBA, always used approved anti-static precautions when handling or storing
a PBA.
>> Precautions when moving and storing PBA
1. Please keep PBA in a conductive case, anti-static bag, or wrapped in aluminum foil.
2. Do not store a PBA where it is exposed to direct sunlight.
>> Precautions when replacing PBA
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2. Do not touch any soldered connections, connector terminals or other electronic parts when handling
insulated parts.
>> Precautions when checking PBA
1. Before touching a PBA, please touch other grounded areas of the chassis to discharge any static electrical
charge on the body.
2. Take care not to touch the PBA with your bare hands or metal objects as you could create a short circuit
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motors or lamps as they may get hot.
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positions.
Many of the parts are held in place with plastic latches.
The latches could easily break if forced; release them carefully.
To remove such parts, press the hook end of the latch away from the part to
unlatch.
3.1.3 Releasing Plastic Latches