Disassembly
4 - 1
OKIFAX 5300/5600
Service Manual, P/N 59278301
Section 4: Disassembly
4.1
General
This chapter explains the procedures for replacement of assemblies and units in the field.
4.1.1 Precautions for Parts Replacement
(1)
Before starting disassembly and reassembly, always turn the AC power switch OFF, and pull
out the AC plug.
Note: Unplug the AC power cord from the wall outlet first and then from the facsimile.
(2)
Do not try to disassemble as long as the facsimile is operating normally.
(3)
Do not remove unnecessary parts: Try to keep disassembly to a minimum.
(4)
When disassembling, follow the prescribed sequence. Otherwise, parts may be damaged.
(5)
Since screws and small parts are likely to be lost, they should temporarily be attached to their
original positions.
(6)
When handling items such as printed circuit boards, do not wear gloves that are likely to
generate static electricity.
(7)
Using a wrist band connected to the ground will protect semiconductors on printed circuit boards
from damage by the static electricity.
(8)
Do not place printed circuit boards directly on the equipment or on the floor.
Board or Part
Adjustment
(a)
NCU board
DIP switches to be placed in the same position as on the removed board.
Refer to Chapter 8.
Note:
The DIP switches setting is subject to change by PTT parameters.
WN5, DN5 and FN5 board (Except for USA/Canada version)
(b)
LED print head
When the rank marking of the replaced LED print head (new part) is the
same as that of the used LED print head (old part), you do not always
have to set the LED print head strobe time by the technical function No.
27. (Refer to Chapter 5)
Содержание OF5600
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