Konica Minolta magicolor 2490MF Service Manual page 94

Theory of operation ver. 1.0 July. 2006
Temperature control during color printing (plain paper)
Power Switch ON
Fusing Ready Temperature
[1]
189
185
184
180
167
100
60
Approx. 45 sec.
[1] During warm-up cycle
Heat the heating roller temperature to
178 °C in average 45 seconds.
(100 V – 120 V area)
Heat the heating roller temperature to
178 °C in average 49 seconds.
(220 V – 240 V area)
[2] In standby state
Heating roller temperature setting: 180 °C
*a: If the heating roller temperature is 60 °C or
less when the warm-up cycle is started, tem-
perature control is performed with the heating
roller temperature setting changed to 185 °C.
(5 min.)
After the lapse of the 5 min. period, the tem-
perature stabilizes at 180 °C.
Copy/Print Start
[2]
[*a]
Warm-up completed (approx.70 seconds for 100 V area)
(approx.75 seconds for 200 V area)
[3]
[*b]
[3] During a print cycle
Heating roller temperature setting: 189 °C
(if the heater roller temperature at the start of
the warm-up cycle is 60 °C or less)
Heating roller temperature setting: 184 °C
(if the heater roller temperature at the start of
the warm-up cycle is more than 60 °C)
*b: Temperature control is performed accord-
ing to the temperature measured with the
temperature/humidity sensor. For details, see
"(2) color printing (1-sided)."
P.65
[4] In standby state
Heating roller temperature setting: 180 °C
17. Fusing section
[4]
4139T2E564AA
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