Konica Minolta bizhub C658 Service Manual page 1923

bizhub C658/C558/C458/C368/C308/C258
[3] Developing unit
[5] Transfer belt cleaner cooling fan (FM2)
20.3.3 Rear side cooling fan
• Blows outside air against around the MFP board, high voltage unit, and drive unit to prevent the temperature of the board from rising.
• External air that is drawn from the bottom-rear of the main body and blown to cool the MFP board, high voltage unit, and drive units.
[4] [3]
[1] Rear side cooling fan (FM3)
[3] Air supplied to the high voltage unit
20.3.4 Toner cartridge cooling fan
(1) bizhub C368/C308/C258
• 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] Fusing unit
[5] Toner cartridge/C
[7] Toner cartridge/Y
O THEORY OF OPERATION bizhub C658/C558/C458/C368/C308/C258 > 20. FAN
[2]
[1]
[2]
[3]
[6]
[7]
[4] Drum unit
- -
[1]
[2] Air to the MFP board
[4] Air to drive units
[4]
[5]
[2] Duct
[4] Toner cartridge/K
[6] Toner cartridge/M
- -
O-148
CONTROL