• The energy saving functions will not operate in the following cases:
• When fixed warm-up is in progress
• When operations are suspended during printing
• When a warning message appears (The machine enters Fusing Unit Off mode unless the
cover is open.)
• When paper is jammed (The machine enters Fusing Unit Off mode except when the cover is
open.)
• When the Data In indicator is lit or flashing (The machine enters Fusing Unit Off mode except
when the Data In indicator is lit or flashing due to storing documents.)
• The machine does not enter Low Power mode or Sleep mode in the following cases:
• During communication with external equipment
• When the hard disk is active
• When the service call message appears
• When the ADF, machine's cover, or ADF cover are opened
• When the "Add Toner" message appears
• When toner is being replenished
• When the [User Tools / Inquiry] screen is displayed
• When the [Counter] screen is displayed
• When the [Tray Paper Settings] screen is displayed
• When data is being processed
• When a recipient is being registered in the address list
• When the sample print, locked print, hold print, or stored print screen is displayed
• When the screen of a document that was stored under the printer function appears (The
machine enters Low Power mode if this happens)
• When the internal cooling fan is active
• When accessing the machine using Web Image Monitor
Anti-humidity Heater Switch
During winter or humid periods when there can be sudden changes in temperature and humidity, the
paper in the paper trays can absorb moisture. This may cause image quality to deteriorate.
To prevent this, the machine has two built-in anti-humidity heaters.
There are two switches for the anti-humidity heaters on the internal cover which is revealed when the
Tray 1 is pulled out. Turn these switches on if the humidity level becomes high and image quality is
affected. Turn the switches off at other times.
Turning On/Off the Power
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