Konica Minolta A00F011 Service Manual - Page 121
Miscellaneous
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magicolor 4650EN magicolor 4650DN 22. Miscellaneous 22. Miscellaneous 22.1 Fan control 22.1.1 Composition DC power supply fan motor (FM1) Fusing fan motor (FM2) Theory of operation Ver.1.0 Nov. 2007 DC power supply fan motor (FM1) Fusing fan motor (FM2) Composition/Operation Ozone ventilation fan motor (FM3) A011T2C578AA Ozone ventilation fan motor (FM3) 4138to2111c0 22.1.2 Function A. Fusing fan motor • Fusing fan motor discharges heat generated from the interior parts (including the DC power supply, fusing unit, toner cartridges/K, and motor drives) out of the main body to prevent the interior temperature from rising inordinately. • Air passageway is formed on top of the DC power supply, in the duct inside the toner cartridge rail, and below the print head housing. No air flows through areas around the toner cartridges. This effectively prevents toner from scattering. B. DC power supply fan motor • Discharges heat generated from the interior parts (including the DC power supply, inter- mediate transfer belt section, toner cartridges/C, M, Y, and motor drives) from the main body to prevent the interior temperature from rising inordinately. C. Ozone fan motor • Discharges heat generated from the print head from the main body to prevent the print head temperature from becoming inordinately high. • Removes ozone produced from the toner cartridges and charging section. • Air passageway is formed on top of the DC power supply, in the duct inside the toner car- tridge rail, and below the print head housing. No air flows through areas around the toner cartridges. This effectively prevents toner from scattering. 86