Patent Number: 6,311,028

Title: Fixing apparatus with controlled heaters

Abstract: A fixing apparatus for controlling fixing temperature by controllingoperations of a plurality of heaters, the apparatus includes: a timer formeasuring a period of time for operations of the plurality of heaters; anda controller for controlling operations of the plurality of heaters inaccordance with the measured period of time by the timer. When the timerdetects that a period of time of continuous operations of only a part ofheaters from among the plurality of heaters reaches a predetermined periodof time or more, the controller turns on remaining heaters other than thepart of heaters in addition to the part of heaters.

Inventors: Matsudaira; Tadashi (Tokyo, JP)


International Classification:

Expiration Date: 10/32013