Konica Minolta bizhub c650 Service Manual page 171

19. Fusing section
19.3.6 Fusing temperature control
• The surface temperature of the heating roller and the fusing pressure roller are detected
to control the amount of the heat of the IH heater and the fusing pressure roller heater
lamp in the soaking roller in order to maintain the appropriate fusing temperature.
Example: C550 temperature control (Plain paper)
Print is available
Sub-power
switch ON
temp
[1]
0
[1] Controlled temperature at warm-up
Heating roller temperature: 170 degrees
centigrade
Fusing pressure roller temperature: 90
degrees centigrade
2
Soaking roller temperature: 50 degrees
centigrade
[2] Controlled temperature at stand by (nor-
mal operation)
Heating roller temperature: 150 degrees
centigrade
Fusing pressure roller temperature: 125
degrees centigrade
Soaking roller temperature: 120 degrees
centigrade
[3] Printing (Plain/color)
Heating roller temperature: 170 degrees
centigrade
Fusing pressure roller temperature: 115
degrees centigrade
Soaking roller temperature: 115 degrees
centigrade
*1: Temperature is not controlled because the IH heater is OFF.
136
2
Start key ON
[2]
[3]
Heating roller
Fusing pressure
roller
[4] Standby (normal operation)
[5] Low power mode
[6] Sleep mode
Theory of Operation Ver. 8.0 Jun. 2008
Power save mode
[4]
[5]
Soaking roller
time
Heating roller temperature: 150 degrees centi-
grade
Fusing pressure roller temperature: 125 degrees
centigrade
Soaking roller temperature: 120 degrees centi-
grade
Heating roller temperature: - *1
Fusing pressure roller temperature: 100 degrees
centigrade
Soaking roller temperature: 160 degrees centi-
grade
Heating roller temperature: - (room temperature)
Fusing pressure roller temperature: - (room tem-
perature)
Soaking roller temperature: - (room temperature)
Sleep mode
[6]
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