Fusing Temperature Control (For Bizhub 163) - Konica Minolta bizhub 169 Service Manual

19. Fusing unit section
19.4.2

Fusing Temperature Control (for bizhub 163)

• The Fusing Roller Heater Lamp is turned ON and OFF to keep a set temperature on the
surface of the Fusing Roller.
• The Fusing Roller surface temperature is detected by using a thermistor that translates
the temperature to a corresponding electrical signal.
• If the Fusing Roller temperature becomes excessively high, the Fusing Roller Heater
Lamp is shut down.
<Temperature Control in Standby State>
Machine Condition or Paper Type
Standby
Plain paper (width: 250 mm or more;
length: less than 360 mm)
Plain paper (width: less than 250 mm)
Thick paper (width: 250 mm or more)
Thick paper (width: less than 250 mm)
OHP film (width: 250 mm or more)
OHP film (width: less than 250 mm)
56
Theory of Operation Ver. 1.0 Apr. 2007
Warm-up completed
Mode 1 Mode 2
180 °C → 170 °C
180 °C
190 °C → 170 °C
190 °C
180 °C → 165 °C
180°C
210 °C → 190 °C
210 °C
200 °C → 190 °C
200 °C
180 °C → 165 °C
180 °C
155 °C 155 °C
A08EE574AA
Mode 3
170 °C
170 °C
165 °C
190 °C
190 °C
165 °C
155 °C