Parts Replacement; Precautions For Parts Replacement - OKIDATA OL600e Service Manual

3.

PARTS REPLACEMENT

The section explains the procedures for replacement of parts, assemblies, and units in the
field. Only the disassembly procedures are explained here. For reassembly, reverse the steps
of disassembly procedure.
3.1

Precautions for Parts Replacement

Note: Always use proper anti-static precautions.
(1) Before starting the parts replacement, remove the AC power cord and interface cable.
(a) Remove the AC power cord in the following sequence:
i)
ii)
iii)
(b) Reconnect the printer in the following sequence.
i)
ii)
iii)
(2) Do not try to disassemble as long as the printer is operating normally.
(3) Do not remove parts which do not need to be touched; try to keep disassembly to a
minimum.
(4) Use specified service tools.
(5) When disassembling, follow the procedure in sequence laid out in this manual.
Parts may be damaged if these sequences are not followed.
(6) Since screws, collars and other small parts are likely to be lost, they should temporarily
be attached to the original positions during disassembly.
(7) When handling integrated circuits (microprocessors, ROMs, RAMs, or circuit boards),
use proper anti-static precautions.
(8) Do not place printed circuit boards directly on the equipment or floor.
Parts Replacement
Turn off ["O"] the power switch of the printer.
Unplug the power cord from the AC outlet.
Disconnect the power cord and interface cable from the printer.
Connect the AC power cord and interface cable to the printer.
Plug the power cord into the outlet.
Turn on ("l") the power switch.
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Service Manual, P/N 59271602