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Theory of Operation Ver. 1.0 Sep. 2008
18.3.4
Fusing temperature control
• The surface temperatures of the fusing belt and pressure roller are detected using ther-
mistors and the corresponding heater lamps are turned ON or OFF as necessary to
maintain the set fusing temperature.
A. Temperature control chart
*An example when a machine is warmed up under a normal ambient condition
Sub power switch ON
[1]
180
140
100
0
[1] In warm up
[2] Stand-by (preliminary rotation)
[3] Stand-by (normal operation)
[4] During a print cycle
Y109670-2
Warm-up completed
Start key ON
[2]
[3]
Fusing belt temperature
Pressure roller temperature
Theory of Operation
[5]
[4]
[5] In standby state (normal operation)
[6] Low power mode
[7] In sleep state
18. Fusing section
Power save mode
canceled
[6]
[7]
A02FT2C040AA
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