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Precautions for Parts Replacement
(1) Be sure to disconnect the AC cord and interface cable before replacing parts.
(a) Be sure to disconnect the AC cord in the following procedures:
i) Turn off the POWER switch (0).
ii) Disconnect the AC plug from the power outlet.
iii) Disconnect the AC cord and interface cable from the printer.
(b) Be sure to reconnect the printer using the following procedures:
i) Connect the AC cord and interface cable to the printer.
ii) Connect the AC cord to the power outlet.
iii) Turn on the printer's POWER switch (|).
(2) Do not disassemble parts as long as the printer is operating normally.
(3) Minimize disassembling. (Only the parts indicated in the parts replacement procedures can be
disassembled.)
(4) Use only the specified maintenance tools.
(5) Disassemble parts in the specified sequence; otherwise, parts may be damaged.
(6) Temporarily tighten small parts such as screws and collars to the original locations because they tend
to be lost easily.
(7) When handling ICs such as CPUs, ROM, and RAM and PC boards, do not wear gloves that can
generate static electricity.
(8) Do not place PC boards directly on devices or floors.
Service Guide OKIPAGE4w
Chapter 3 Parts Replacement
Page: 26
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