DisassemblyService Manual 6-16.1.1 Precautions for Disassembly/Reassembly■ Use only approved Xerox spare parts. Ensure that the part number, product name, any voltage, current ortemperature ratings are correct. Failure to do so could result in damage to the printer, circuit overload, fire orelectric shock.■ Do not make any unauthorized changes or additions to the printer, this could cause the printer to malfunction andcreate electrical shock or fire hazards.■ When disassembling the printer, note where each screw goes. There are 19 different screws. Use of the wrongscrew could lead to system failure, short circuits or electrical shock.■ Do not disassemble the laser unit. Once it is disassembled dust is admitted to the mirror chamber and willseriously 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 andfire. Damaged cables could lead to electric shock or component malfunctions.6.1.2 Precautions When Removing Circuit BoardsStatic electricity can damage a board, follow the ESD precautions in Section 1 of this manual when handling orstoring 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 handlinginsulated parts.Precautions when checking boards■ Before touching a board, touch a grounded area on the printer chassis to discharge any static electricalcharge on the body or wear an anti-static wrist strap.■ Do not touch the board with your bare hands or metal objects, this can create a short circuit or cause anelectrical shock. Take extra care when handling boards containing sensors, motors or lamps as they may gethot.■ Take care when fitting, or removing, screws. Check for hidden screws.Always ensure that the correct screw is used. When toothed washers areremoved, ensure they are refitted in their original positions.CautionMany 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 thelatch away from the part to which it is latched.6 Disassembly
