IMAGE FUSING AND PAPER EXIT
SM 6-63 B121 Series/B259 Series
Detailed
Descriptions
6.13.5 FUSING TEMPERATURE CONTROL
Overview
There are two fusing lamps (not identical), two thermistors, and four thermostats.
The fusing temperature is controlled using the thermistors [A].
The CPU checks the output from the fusing thermistor once every 1.5 seconds.
The CPU decides how long the lamps must be switched on during the next 1.5
seconds by comparing the following temperatures:
• The center thermistor temperature and the target center temperature
• The end thermistor temperature and the target end temperature
The fusing lamp works to maintain a target fusing temperature of 160°C during
copying.
B121D902.WMF
[A]
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