To prevent possible accidents during maintenance operation, you should observe strictly the "Warning"
and "Caution" information in this manual.
Dangerous operations and operations out of range of this manual should be absolutely avoided.
Generally various processes not covered by this manual may be required in actual operation, which
should be performed carefully always giving attention to safety.
4.1 Power source
Keep the power supply off during maintenance operation to prevent electric shock, burns and other
damages. Keep the power plug disconnected during the maintenance operation.
If the power supply should be kept connected for measurement of voltage or other similar reasons,
sufficient care should be given to prevent electric shock, by following the procedures of this manual.
While the printer is ON, never touch live parts if not required absolutely.
Power is supplied to the power unit (Low Voltage Power Supply ASSY) even while
the printer is off. Never touch its live components.
Do not touch live parts unless otherwise specified.