Oki 4M - Manual (Page 46)

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3.3.5 High-Voltage Power Supply Board
(1) Dismount upper cover assy. (See Section 3.3.4.)
(2) Remove three screws 1 and draw out high-voltage power supply board 2 .
(3) Disconnect all the cables 3 from high-voltage power supply board 2 and dismount high-
voltage power supply board 2 .
Caution: Note the following when assembling the high-voltage power supply board:
• Mount the high-voltage power supply board with top cover assy removed or
open.
• Take care that cable 3 will not interfere with the paper sensor exit when it is
connected.
Paper sensor exit
3
2
1
1
3