Konica Minolta A00F011 Service Manual - Page 115
Fusing temperature control, Warm-up control, Control start timing, Control termination timing
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magicolor 4650EN magicolor 4650DN Composition/Operation 20. Fusing section Theory of operation Ver.1.0 Nov. 2007 20.3.2 Fusing temperature control • To fuse the toner image on the media (image yet to be permanently fixed) properly into the media, the heater lamps are turned ON and OFF as necessary to bring the fusing temperature to an appropriate level. • Thermistors are used to detect the surface temperature of the Fusing roller. The heater lamps are then turned ON and OFF as necessary to achieve the set temperature. • The control temperature in the print command wait state is called the standby temperature, while that for permanently fix the toner image on media into the media is called the print temperature. Warm-up control Wait control Printing temperature Warm-up complete temperature Print control Wait control Warm-up cycle completed A011T2C544AA 20.3.3 Warm-up control • Control is provided until the Fusing roller reaches the predetermined level. A. Control start timing • The power switch is turned ON. • A malfunction or media misfeed is reset. • The main body leaves the power save mode. • A door is closed. B. Control termination timing • The Fusing roller reaches a predetermined temperature. • A malfunction or media misfeed is reset. • A door is opened. 80