Konica Minolta bizhub c450 Service Manual page 121

20. Fusing section
B. During a copy cycle
• To achieve the intended level of fusing performance, the set temperature of each roller is
varied according to the paper type.
Plain paper (215 mm/s)
Plain paper (165 mm/s)
Plain paper (60 mm/s)
2nd side plain paper (215 mm/s)
2nd side plain paper (165 mm/s)
2nd side plain paper (60 mm/s)
Thick paper 1
Thick paper 2
Thick paper 3
2nd side thick paper 1
2nd side thick paper 2
2nd side thick paper 3
Envelopes
OHP (when the absolute humidity or the machine interior
temperature is at the threshold value or less)
OHP (when the absolute humidity or the machine interior
temperature exceeds the threshold value)
*: The temperature threshold value of OHP is absolute humidity 18 g/m
*: The machine interior temperature threshold value of OHP is 16
C. In standby
• The fusing temperature in the standby state is prevented from being dropped.
When the pressure roller temperature is over 60 °C at the start-up
of warm-up
When the pressure roller tem-
perature is 60 °C or less at the
start-up of warm-up
Machine interior humidity 70% or higher (high humidity)
D. Power Save
• Temperature control is provided with a decreased fusing temperature so that power con-
sumption in the standby state can be minimized.
Mode Heating Roller Set Temperature (°C)
Power Save
94
Paper Type
Standby state
The pressure roller tempera-
ture is less than 145 °C during
warm-up
The pressure roller tempera-
ture is between 145 °C and 165
°C during warm-up
165
Theory of Operation Ver. 1.0 Mar. 2005
Heating Roller Set Pressure Roller Set
Temperature (°C)
195
190
160
185
185
160
175
185
185
170
175
175
185
190
170
3
.
°
C.
Heating roller
temperature (°C)
195
200
195
195
Pressure Roller Set Temperature (°C)
155
Temperature (°C)
145
145
130
145
145
130
130
130
130
130
130
130
130
170
160
Pressure roller
temperature
(°C)
145
145
155
155