47074403TH Rev.1
5 /
Oki Data CONFIDENTIAL
1.
PARTS REPLACEMENT
1.1
Notes for Replacing of Parts
1) Before disassembling or reassembling the Duplex unit from / to the
printers, turn off the printers in which they are attached, remove them.
And before to replacing of parts, unplug the AC cord and all interface
cables.
(a) Be sure to use the following procedure to unplug the AC Cord:
1 Keep pushing the Power Switch over 1min, and check the LED Lamp
lights-out.
2 Pull out the AC Plug of the AC cord from the AC power source.
3 Unplug the AC cord and all interface cables.
(b) Be sure to use the following procedure to reconnect the printer:
1 Connect the AC cord and the interface cable to the printer.
2 Insert the AC plug into the AC power source.
3 Turn on the printer (Push the power switch between about 1min,), and the
LED Lamp lights.
(2) Do not disassemble the Duplex unit so long as they operate properly.
(3) Determine the ranges of disassembly according to the purposes of the
operations for which the disassembly is done, so as not to do more
disassembly than is necessary.
(4) Use designated maintenance tools.
(5) Follow disassembly steps in the orders specified; damage to parts may
result.
(6) It is advisable to place and fix temporarily small parts that tend to get
lost, such as screws and collars, to their original positions.
(7) Do not use the gloves that be easily charged the static electricity in
the case of to touch the micro processing unit, ROM, RAM, IC, circuit
board, and etc.
(8) Do not put on the printer's mainbody, floor and etc directly for the
printed board.
Electric shock hazard.
Pull out the AC cord from the printer. Because, in the case of the AC
cable connected to the printer, some circuits are active even if the
printer's status is ' Power-Off '.
When replacing the low-voltage power supply, due to potential electric
shock. So, wear insulated gloves or be careful not to touch the
conductors or terminals of the power supply directly.
After the AC cord is unplugged, the capacitor may take about one
minute to discharge completely, or could not discharge due to PCB
breakdown. Use caution about electric shock.
Pluggin
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