Fan Control - Xerox Phaser 6120 Service Manual

Fan Control

Power Supply Cooling Fan Motor
<Full-speed conditions>
For the predetermined period of time after the Power Switch has been turned ON
For the specified period of time up to the end of Energy Saver mode
At the start of a print cycle (full-speed rotation after the lapse of a predetermined
period of time of half-speed rotation). No full-speed rotation is performed if the print
cycle is completed during half-speed rotation.
<Half-speed conditions>
At the end of a print cycle (half-speed rotation after the lapse of a predetermined
period of time of full-speed rotation)
Half-speed rotation under any condition other than above
<Stop conditions>
In Energy Saver mode
The Power Supply Cooling Fan Motor (M4) develops a malfunction.
Ventilation Fan Motor
<Full-speed condition>
While the Main Motor (M1) remains energized.
<Stop conditions>
The lapse of a predetermined period of time after the Main Motor (M1) has been de-
energized.
Stop under any condition other than above.
<Forced stop condition>
A door is opened, a paper misfeed has occurred, or a malfunction has occurred.
Phaser® 6120 Color Laser Printer Service Manual
Print Engine Theory of Operation
7-58