Printing Basic Operation; Turning On/Off The Power; Power Supply Conditions; Turning On The Power - Oki B721 User Manual

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2. Printing Basic Operation

Turning On/Off the Power

2

Power Supply Conditions

The power supply must meet the following
conditions:
Current:
110–127 V AC
(Range 99–140 V AC)
220–240 V AC
(Range 198–264 V AC)
Frequency: 50/60 Hz ± 2%
Note
● If the power supply is unstable, use a voltage regulator.
● The maximum power consumption of this printer is 1400
W. Ensure that the power supply is sufficient to operate
this printer.
● We do not guarantee operation where an uninterruptible
power system (UPS) or inverter is used. Do not use an
uninterruptible power system (UPS) or inverter.
There is a risk of
getting an electric
WARNING
shock and/or causing
● Be sure to turn off the power supply switch when
attaching or removing the AC cable.
● Be sure to plug in and unplug the AC cable while
holding on to the power supply plug.
● Insert the AC cable plug completely into the wall
socket securely.
● Do not touch the power cord, or printer, if your
hands are wet.
● Install a power cord in the place which is not
stepped on, and do not place a thing on a power
cord.
● Do not use the cord tied in a bundle.
● Please do not use the damaged power cord.
● Do not use multi-outlet adapters.
● Do not connect this printer and other electric
products to the same wall socket. If it is
connected simultaneously with an air conditioner,
copier, shredder, etc., the printer may malfunction
by the electric noise. When you connect with
the same wall socket unavoidably, please use a
commercial noise filter or a commercial noise cut
transformer.
● Use the power cord supplied to the printer and
plug it directly into a wall socket. Do not use the
power cord for other product for the printer.
● Do not use an extension cord. When you use it
unavoidably, use the thing more than rated 15 A.
● Use of an extended code may not operate a
printer normally by AC voltage descent.
● During printing, do not shut off a power supply or
do not pull out a power supply plug.
● When you use it neither for consecutive holidays
nor a travel for a long time, pull out a power cord.
● Do not use the supplied power cord to the other
products.
fire.

Turning On the Power

1
Plug the AC cable (1) into the AC power
socket of your printer.
2
Plug the AC cable into the electric
socket.
3
Hold down the power switch (2) for
about 1 second to turn on the power.
2
The Power switch LED indicator lights up when
the printer turns on. The message "Ready To
Print" is displayed in the operator panel once
printer is ready.
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