Oki B4500 Maintenance Manual page 147

3. PARTS REPLACEMENT
This section covers the procedures for the disassembly, reassembly and installations in the field.
This section describes the disassembly procedures, and for reassembly procedures, basically proceed
with the disassembly procedures in the reverse order.
3.1 Precautions Concerning Parts Replacement
(1) Parts replacements must be carried out, by first turning the printer power switch off "O" and
removing the printer from the High Capacity Second Paper Feeder.
(2) Do not disassemble the High Capacity Paper Feeder if it is operating normally.
(3) Establish the extent of disassembly suitable for the purpose of the procedure, and do not
disassemble any more than necessary.
(4) Only specified service tools may be used.
(5) Disassembly must be carried out according to the prescribed procedures. Parts may be damaged
if such procedures are not followed.
(6) Small parts such as screws and collars can easily be lost, therefore these parts should be
temporarily fixed in the original location.
(7) When handling printed circuit boards, do not use any glove which may generate static electricity.
(8) Do not place the printed circuit boards directly on the equipment or floor.
[Service Tools]
Table 3-1 shows the tools required for the replacement of printed circuit boards, assemblies and units
in the field.
No.
1
2
3
4
5
43502101TH Rev.1
Table 3-1 Service Tools
Service Tools
No. 1-100 Philips
screwdriver
No. 2-100 Philips
screwdriver
No. 3-100 screwdriver
Digital multimeter
Pliers
Oki Data CONFIDENTIAL
Q'ty Application Remarks
1 2 ~ 2.5 mm screws
1 3 ~ 5 mm screws
1
1
1
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