Konica Minolta bizhub C658 Service Manual page 1924

bizhub C658/C558/C458/C368/C308/C258
(2) bizhub C658/C558/C458
• The machine is equipped with a toner cartridge cooling fan to equipped cooling to the toner cartridge area and the fusing section.
• The toner cartridge cooling fan sucks air from the rear side of the main body and pushes it in between the fusing unit and the toner
cartridge/K.
• Creation of air flow between the fusing unit and toner cartridge may make the heat generates from the fusing unit hardly reach the toner
cartridge area. This structure limits the increase in temperature of the toner cartridge area.
[1] Toner cartridge cooling fan (FM4)
[3] Toner cartridge/C
[5] Toner cartridge/Y
20.3.5 IH coil cooling fan (bizhub C658/C558)
• An IH coil cooling fan is provided to cool the IH coil that heats the heating roller assy.
• Air is drawn from around the front cover of the main body and distributed inside the IH coil unit via the inlet duct.
• Hot air that has passed through the IH coil exhausts from the main body via the exhaust duct and paper cooling fan.
[3]
[1] Fusing unit
[3] Paper cooling fan (FM8)
20.3.6 Paper cooling fan
(1) bizhub C368/C308/C258
• The paper cooling fan cools the paper after fusing and the paper exit/reverse section.
• The paper cooling fan sucks the warm air from the area of the paper exit/reverse section and discharges it out of the machine.
• The exhaust air is discharged externally from the main body rear side and is exhausted downward from the exhaust cover.
O THEORY OF OPERATION bizhub C658/C558/C458/C368/C308/C258 > 20. FAN
[1]
[2]
[3]
[4]
[5]
[2]
[4]
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[1]
[2]
[2]
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O-149
Toner cartridge/K
Toner cartridge/M
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IH coil cooling fan (FM7)
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CONTROL