Xerox 3150 - Phaser B/W Laser Printer Manual de serviço - Página 6
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5
Disassembly
5.1 Precautions for Disassembly/Reassembly
Use only approved Xerox spare parts. Ensure that the part number, product name, any voltage, current or
temperature ratings are correct. Failure to do so could result in damage to the printer, circuit overload, fire or
electric shock.
Do not make any unauthorized changes or additions to the printer, this could cause the printer to malfunction and
create electrical shock or fire hazards.
When disassembling the printer, note where each screw goes. Using the wrong screw could lead to printer failure,
short circuits, or electrical shock.
Do not disassemble the laser 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 and fire. Damaged cables could lead to electric shock or
component malfunctions.
Caution
Many of the parts are held in place with plastic latches. The latches break easily;
Remove them carefully. To remove such parts, gently pull the hook end of the
latch away from the part where it is latched.
Caution
To prevent damaging the toner cartridge and degrading print quality, protect the toner cartridge from light when
removing it from the printer.
5.1.1 Precautions When Removing Circuit Boards
Static electricity can damage a board, follow the ESD precautions in Section 1 of this manual when handling or
storing a board.
Precautions when moving and storing boards:
Place boards in an approved anti-static discharge bag.
Do not store a board where it is exposed to direct sunlight.
Precautions when replacing boards:
Disconnect power connectors first, before disconnecting other cables.
Do not touch any soldered connections, connector terminals, or other electronic parts when handling
insulated parts.
Precautions when checking boards:
Before touching a board, touch a grounded area on the printer chassis to discharge any static electrical
charge on the body or wear an anti-static wrist strap.
Disassembly
Service Manual 5-1