Operation; Fusing Temperature Control - Konica Minolta magicolor 1690MF Service Manual

17. Fusing section

17.3 Operation

17.3.1

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.
Warm-up control
Printing
temperature
Warm-up
complete
temperature
A. Warm-up control
Control is provided until the Fusing roller reaches the predetermined level.
B. 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.
C. Control termination timing
• The Fusing roller reaches a predetermined temperature.
• A malfunction or media misfeed is reset.
• A door is opened.
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Theory of Operation Ver. 1.0 Nov. 2008
Wait control Print control Wait control
A011T2C544AA