# TURNING ON OR OFF THE POWER AND RESTARTING THE MACHINE

## Overview

This section describes how to turn on/off the machine's power and how to restart the machine.
Operate two power switches: the main power switch inside the front cover, located in the lower left corner, and the [POWER] button on the operation panel.

## Operation

### Turning on the power

Turn the main power switch to the "" position.
After the main power indicator lights up green, press the [POWER] button.

### Turning off the power

Turn off the power by pressing the [POWER] button, then turn the main power switch to the "" position.

### Restarting the machine

In order for some settings to take effect, the machine must be restarted. Restart the machine as instructed by the message on the touch panel (turn off the power by pressing the [POWER] button and then press it again to turn on the power).
In order for some settings to take effect, the machine must be restarted. In some states of the machine, restarting with the [POWER] button may not make the settings take effect. In this case, turn off the main power switch and then turn it on again.

- When turning off the main power switch, press the [POWER] button on the operation panel and then turn the main power switch to the "" position.
  In a sudden case of main power outage, turn the power for the machine back on and then turn it off in the correct order.
  If the machine is left for a long period of time with the main power having been turned off prior to the [POWER] button is turned off, abnormal noises, degraded image quality or other problems may result.
- Turn off both the [POWER] button and the main power switch and unplug the power cord if you suspect a machine failure, if there is a bad thunderstorm nearby, or when you are moving the machine.

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