Oki ES3640E User Manual page 5

WARNING!
Keep this product away from direct heat
sources such as radiators and out of direct
sunlight to prevent any risk of overheating.
The power supply required for this product is
220 - 240 VAC, 50/60 Hz. Refer to your
product's rating label for full power rating
details. Ensure that you have a suitable power
supply before connecting the product. If in
doubt contact your dealer or check with your
local power provider.
Ensure both the product and mains power
switches are in the OFF position before
connecting the AC power cable.
This product has an earthed plug as a safety
feature and will only connect to an earthed
socket. Do not attempt to defeat the earthing
or there is a risk of fire or shock.
ES3640e MFP User's Guide> 5