System Thermal Regulation - Xerox Phaser 6121MFP Service Manual

System Thermal Regulation

Phaser 6121MFP Service Manual
Fans are the primary means used to limit the rise in internal temperature. Three
fans are controlled by specialized circuity on the Main Board. The following
illustration shows the location and airflow direction of these fans.
1
3
Item
Output Tray Fan
Power Supply Fan
Ventilation Fan
Description
Cools the Scanner and output media.
Draws cool air across the Power Supply.
Recovers toner powder in the Imaging Cartridge and
exhausts the ozone produced to the outside.
Theory of Operation
2
s6121mfp-149
2-45