THERMAL AIRFLOW CONTROL VALVE
Original Publication Date: 1987-Aug-31
Included in the Prior Art Database: 2004-Apr-04
Xerox Disclosure Journal
In a combined printedcopier, air is typically used to cool the machine. However, when the printer ortion of the machine is in use, air is drawn through the copier optics an B the printing engine. This can be undesirable since dirt entrained with the air can contaminate the optics of the copier portion of the machine even though the copier is not being used.