Xerox Phaser 6121MFP Service Manual page 88
Multi-function printer
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Also See for Phaser 6121MFP:
- Guida dell'utente (256 pages) ,
- User manual (238 pages) ,
- Service manual (20 pages)
Table of Contents
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Theory of Operation
Power Supply Fan
Ventilation Fan
Output Tray Fan
2-46
The Power Supply Fan cools the system Power Supply and operates at full-speed,
half-speed, or stopped states.
The Power Supply Fan runs at full-speed for:
•
A set period of time after the Power Switch is turned On.
•
A set period of time after exiting Energy Saver mode.
•
At the start of a print cycle (full-speed rotation after a set period of half-speed
rotation).
The Power Supply Cooling Fan runs at half-speed:
•
At the end of a print cycle (half-speed rotation following the predetermined
period of time needed for full-speed rotation).
•
During half-speed rotation under any condition other than above.
The Power Supply Fan stops when:
•
The system enters the Energy Saver mode.
•
The Power Switch is turned Off.
The Ventilation Fan cools the system cabinet and operates at full-speed when the
Main Motor is in operation.
The Output Tray Fan cools the Scanner and operates at full-speed, half-speed, or
stopped states according to these conditions:
The Output Tray Fan runs at full-speed:
•
A set period of time after the Power Switch is turned On.
•
A set period of time after exiting Energy Saver mode.
•
At the start of a print cycle (full-speed rotation after a set period of half-speed
rotation).
The Output Tray Fan runs at half-speed:
•
At the end of a print cycle (half-speed rotation following the predetermined
period of time needed for full-speed rotation).
•
During standby.
The Output Tray Fan stops when:
•
During Energy Saver mode.
•
During firmware upgrade.
Phaser 6121MFP Service Manual
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Table of Contents
Troubleshooting
