Xerox 3117 - Phaser B/W Laser Printer, Service Manual

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Precautions
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Service Manual
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1.2.3 Handling Precautions
If you ignore this information, you could harm machine and could be damaged.
(1) Do not install it on different levels, or slanted floor.
Please confirm whether it is balanced or not after installation. If it is unbalanced, an accident can be hap-
pened due to the machine falling over.
(2) Be careful not to insert a finger or hair in the rotating unit.
Be careful not to insert a finger of hair in the rotating unit (motor, fan, paper feeding part, etc) while the
machine is operating. Once it happens, you could be harmed.
(3) Do not place a pot containing water/chemical or small metals. If they got caught into the inner side of
machine, a fire or electric shock can be occurred.
(4) Do not install it where lots of moisture or dust exists or where raindrop reaches. A fire or electric shock
can be caused.
(5) Do not place a candlelight, burning cigarette, and etc. on the machine. Do not install it near to heater. A
fire can be occurred.
1.2.4 Assembly/Disassembly precaution
When replacing parts, do it very carefully. Memorize the location of each cable before replace parts for recon-
necting it afterwards. Memorize. Please perform the steps below before replace or disassembly the parts.
(1) Check the contents stored in the memory. All the information will be erased after replacing main board.
The information needed to keep has to be written down.
(2) Before servicing or replacing electric parts, take off plug.
(3) Take off printer cables and power cord connected to printer.
(4) Use formal parts and same standardized goods when replacing parts.Must check the product name,
part cord, rated voltage, rated current, operating temperature, etc.
(5) Do not over-force when release or tighten up the plastic parts.
(6) Be careful not to drop small parts such as screws in the printer.
(7) Be careful not to change the location of small parts such as screws when assembling and disassembling.
(8) Remove dust or foreign matters completely to prevent fire of tracking, short, or etc.
(9) After finished repair, check the assembling state whether it is same as before the repair or not.