Image forming apparatus

Details Image forming apparatus Image forming apparatus

2006-03-27

2009-06-02

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C399S070000

Reexamination Certificate

active

07542691

ABSTRACT:
A machine (1) has a capacitor switch (20) for switching between a side to drive a first fixing heater (17) by a capacitor (18), and a side to charge the capacitor (18). A battery switch (25) switches between a side to drive a second fixing heater (22) by a battery (23), and a side to charge the battery (23). A heater switch (27) drives a third fixing heater (26). A judger (152) judges whether the machine (1) is in a first condition requiring a rapid raise in the temperature of a fixing section, or a second condition requiring a maintained temperature of the fixing section. A controller (153) energizes all three fixing heaters (17, 22, 26) when the machine (1) is in the first condition, and energizes the second and third fixing heaters (22, 26) while charging the capacitor (18) when the machine (1) is in the second condition.

REFERENCES:
patent: 2006/0039713 (2006-02-01), Kishi et al.
patent: 10-282821 (1998-10-01), None

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