Oki MB760 Maintenance Manual page 5

Oki Data CONFIDENTIAL
1.1 Notes for Replacing of Parts
(1) Prior to replacing a part, unplug the AC cord and the interface cable.
(a) Be sure to use the following procedure to unplug the AC cord:
Turn off the printer, then the LED indicator goes out.
Pull out the AC plug of the AC cord from the AC power source.
Unplug the AC cord and the interface cable.
There is a risk of electric shock during replacement of the low voltage power supply.
Use insulating gloves or avoid direct contact with any conducting part of the power
supply, and caution should be exercised during replacement.
The capacitor may take one minute to complete discharge after the AC cord is
unplugged. Also, there is a possibility that the capacitor doesn't discharge because
of a breakage of the PCB, etc., so remember the possibility of electric shock to avoid
electric shock.
(b) Always use the following procedure to reconnect the printer:
Connect the AC cord and the interface cable to the printer.
Connect the AC power cord insertion plug to the AC power source outlet.
Turn on the printer, then the LED indicator lights up.
Remove
45479001TH Rev.1
Electric shock hazard.
(2) Do not disassemble it if the printer works normally.
(3) Disassemble it as required. Do not remove the part that is not shown in
the replacement procedure.
(4) Please use the specified maintenance tool.
(5) Disassemble it according to the proper procedure. It may cause
damageto the parts if disassemble it without following the proper
procedure.
(6) As the small parts such as the screws are lost easily, please fix them to
the original position temporarily.
(7) Do not use gloves that may cause static electricity easily when handling
IC and the circuit board such as microprocessor, ROM, and RAM.
(8) Do not put the PCB on the device and the floor directly.
(9) Do not work for a long time with the printer with the top cover open, and
an image drum unit installed in it.
Install
1. REPLACEMENT OF PARTS
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