Main Board; Contact Assembly And High-/Low-Voltage Power Supply Boards - Oki OKIFAX 5750 Maintenance Manual

4.3.12

Main Board

1. Remove the shield plate by unscrewing
six screws.
2. Unscrew four screws and disconnect two
connector cables, then slide the main
board for removal.
4.3.13 Contact Assembly and High-/
Low-voltage Power Supply
Boards
1. Remove the high-/low-voltage power
supply boards by unscrewing seven
screws.
Caution: Remove both boards at the same
time. Unscrew one ground screw
and remove the ground cable
from the Base Plate.
2. Disconnect two connectors to separate
two boards.
3. Remove the contact assembly.
Caution: Never touch the pattern on the
low-voltage board.
41285901TH Rev.3
Shield plate
Contact assembly
High-voltage
power supply board
Low-voltage power supply board
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