Konica Minolta bizhub C250 Service Manual page 141

20. Fusing section
• When the paper winding is detected, the unit will exceptionally stop.
When other troubles occur, the unit will stop after the process to stop the unit.
[The fusing drive motor (M4) needs to be rotated when going through this process.]
• When the paper jam occurs, rotating the fusing motor (M4) will make the paper stuck to
the fusing roller even worse, so the unit will exceptionally stop immediately without the
process for stopping the machine.
20.3.8 Fusing temperature control chart
When with plain paper, A4 paper (horizontal), single-side 5 sheets, and the temperature inside
the unit is over 17 degrees C with main power ON
Warm-up completed
Power switch ON
[1]
200
173
168
163
155
148
143
140
138
17
0
*110 sec.
When turning the power ON in a stable condition with Main power ON/power OFF with rated voltage.
No.
Warming-up the unit (power is ON and the temperature inside
2
the unit is more than 17°C)
[1]
Warming-up the unit (power is ON and the temperature inside
the unit is 17°C or less)
[2] In standby state
Temperature control for the 1st copy
Temperature control for the 2nd to 5th copies
[3] Printing Temperature control for the 6th to 15th copies
Temperature control for the 16th to 50th copies
Temperature control for the copies after 50th copy
[4] In standby state
[5] Low power mode
.
108
Start key ON
[2] [3]
1st 2nd to 5th
sheet sheets
Status
Theory of operation ver. 3.0 Aug. 2006
Printing complete Low power mode
[4]
4038T2C144AA
Target temperature setting
Heating roller
(TH1)
143°C
155°C
168°C
173°C
163°C
155°C
148°C
148°C
168°C
140°C
[5]
Pressure roller
(TH2)
140°C
155°C
168°C
173°C
163°C
155°C
143°C
138°C
168°C
140°C