Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate
2006-11-14
2006-11-14
Tran, Hoan (Department: 2852)
Electrophotography
Control of electrophotography process
Control of fixing
C399S328000
Reexamination Certificate
active
07136602
ABSTRACT:
If, in a standby state, no operation is executed for a control panel (11) or ADF (13) before the elapse of a predetermined time measured by a timer (12), the set temperature of a fixer (20) is reduced. After that, if an operation of for the control panel (11) or ADF (13) is executed, the set temperature of the fixer (20) is raised. The set temperature at this time is higher than the fixing temperature in the normal standby state. When the set temperature of the fixer (20) is set to be higher than that in the normal standby state to temporarily increase the heat amount of the fixer (20), the heat amount is hardly absorbed by transfer paper sheets at the time of copy. In addition, since the fixing power increases, the time until a fixing set temperature is obtained can be shortened. Accordingly, power consumption can be reduced without any decrease in operability, productivity, and copy quality.
REFERENCES:
patent: 5502546 (1996-03-01), Muto
patent: 6166355 (2000-12-01), Watanabe et al.
patent: 3-279966 (1991-12-01), None
patent: 6-324531 (1994-11-01), None
patent: 11-327356 (1999-11-01), None
Foley & Lardner LLP
Kabushiki Kaisha Toshiba
Toshiba Tec Kabushiki Kaisha
Tran Hoan
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